Basedata

最終日
2日目
2026-10-21 12:59:39 +09:00 · 2026-10-20 16:43:29 +09:00 · 2026-10-19 14:15:21 +09:00 · 2026-10-14 17:38:57 +09:00 · 2026-10-14 17:05:56 +09:00 · 2026-10-14 16:57:44 +09:00
65 changed files with 401 additions and 1752 deletions
--- a/.classpath
+++ b/.classpath
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-21"/>
+	<classpathentry kind="src" path="src/main/java"/>
+	<classpathentry kind="output" path="build/classes"/>
+</classpath>
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1 @@
-実行例（追加問題含め）/em_oop.jar
+/build/
--- a/misson1014/.project
+++ b/misson1014/.project
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <projectDescription>
-	<name>misson1014</name>
+	<name>em-oop</name>
 	<comment></comment>
 	<projects>
 	</projects>
@@ -10,8 +10,14 @@
 			<arguments>
 			</arguments>
 		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.wst.common.project.facet.core.builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
 	</buildSpec>
 	<natures>
+		<nature>org.eclipse.wst.common.project.facet.core.nature</nature>
 		<nature>org.eclipse.jdt.core.javanature</nature>
 	</natures>
 </projectDescription>
--- a/misson1014/.settings/org.eclipse.jdt.core.prefs
+++ b/misson1014/.settings/org.eclipse.jdt.core.prefs
@@ -1,11 +1,9 @@
 eclipse.preferences.version=1
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=21
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
 org.eclipse.jdt.core.compiler.compliance=21
-org.eclipse.jdt.core.compiler.debug.lineNumber=generate
-org.eclipse.jdt.core.compiler.debug.localVariable=generate
-org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
 org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
 org.eclipse.jdt.core.compiler.release=enabled
 org.eclipse.jdt.core.compiler.source=21
--- a/.settings/org.eclipse.wst.common.project.facet.core.xml
+++ b/.settings/org.eclipse.wst.common.project.facet.core.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<faceted-project>
+  <installed facet="java" version="21"/>
+</faceted-project>
--- a/BasicCheck1.java
+++ b/BasicCheck1.java
@@ -1,27 +0,0 @@
-package misson1014;
-
-public class BasicCheck1 {
-
-	public static void main(String[] args) {
-		// TODO 自動生成されたメソッド・スタブ
-	       //コンストラクタ
-        Book book1 = new Book();
-
-        //book1
-        System.out.println(book1.title);
-        System.out.println(book1.author);
-        System.out.println(book1.price);
-
-        //コンストラクタ
-        Book book2 = new Book(
-                "銀河鉄道の夜",
-                "宮沢賢治",
-                500);
-
-        //book2
-        System.out.println(book2.title);
-        System.out.println(book2.author);
-        System.out.println(book2.price);
-
-    }
-}
--- a/BasicCheck3.java
+++ b/BasicCheck3.java
@@ -1,37 +0,0 @@
-package misson1014;
-
-public class BasicCheck3 {
-
-	public static void main(String[] args) {
-		// TODO 自動生成されたメソッド・スタブ
-		// Item型の配列を作成
-		Item[] items = new Item[3];
-
-		//インスタンス生成
-		items[0] = new Item();
-		items[1] = new Item();
-		items[2] = new Item();
-
-		items[0].setName("ノート");
-		items[0].setPrice(120);
-		items[0].setStock(50);
-
-		items[1].setName("消しゴム");
-		items[1].setPrice(80);
-		items[1].setStock(30);
-
-		items[2].setName("鉛筆");
-		items[2].setPrice(60);
-		items[2].setStock(100);
-
-		//販売
-		for (int i = 0; i < items.length; i++) {
-			items[i].sell(5);
-		}
-		//商品情報表示
-		for (int i = 0; i < items.length; i++) {
-			System.out.println(items[i]);
-		}
-
-	}
-}
--- a/Book.java
+++ b/Book.java
@@ -1,28 +0,0 @@
-package misson1014;
-
-public class Book {
-    // タイトル
-    String title;
-    // 著者
-    String author;
-    // 価格
-    int price;
-    
-    //コンストラクタ
-    public Book() {
-
-        this.title = "タイトル未設定";
-        this.author = "著者未設定";
-        this.price = 0;
-    }
-
-    //コンストラクタ
-    public Book(String title, String author, int price) {
-
-        //フィールド代入
-        this.title = title;
-        this.author = author;
-        this.price = price;
-
-    }
-}
--- a/DepartmentData.csv
+++ b/DepartmentData.csv
@@ -1,6 +0,0 @@
-10,役員
-11,人事・総務部
-12,経理部
-13,システム開発事業部
-14,教育事業部
-15,営業企画部
--- a/EmployeeData.csv
+++ b/EmployeeData.csv
@@ -1,11 +0,0 @@
-10000,山田龍也,ヤマダタツヤ,yamada@hoge.jp,aaa,10
-10001,高橋準,タカハシジュン,jtaka@hoge.jp,bbb,10
-10002,麻枝史明,マエダフミアキ,fmak@hoge.jp,ccc,11
-10003,丸戸章介,マルトショウスケ,marusyo@hoge.jp,ddd,12
-10004,三宅武,ミヤケタケシ,miya@hoge.jp,eee,13
-10005,丸井悠,マルイハルカ,haru@hoge.jp,fff,13
-10006,涼元香織,スズモトカオリ,suzumoto@hoge.jp,ggg,13
-10007,葉山稔,ハヤマミノル,mhayama@hoge.jp,hhh,14
-10008,川上朱里,カワカミアカリ,kawakami@hoge.jp,iii,14
-10009,杉井肇,スギイハジメ,sugi@hoge.jp,jjj,15
-12345,石原,イシハラ,tesr,test,10
--- a/EmployeeData.java
+++ b/EmployeeData.java
@@ -1,118 +0,0 @@
-package misson1014;
-
-public class EmployeeData {
-    //社員ID
-    private String idEmployee;
-    //社員名
-    private String nmEmployee;
-    //社員名カナ
-    private String knEmployee;
-    //メールアドレス
-    private String mailAddress;
-    //パスワード
-    private String password;
-    //部署ID
-    private String idDepartment;
-    //社員データ件数
-    private static int empCount = 0;
-    //コンストラクタ
-    public EmployeeData() {
-        empCount++;
-    }
-    //コンストラクタ
-    public EmployeeData(
-            String idEmployee,
-            String nmEmployee,
-            String knEmployee,
-            String mailAddress,
-            String password,
-            String idDepartment) {
-    	
-        this.setIdEmployee(idEmployee);
-        this.setNmEmployee(nmEmployee);
-        this.setKnEmployee(knEmployee);
-        this.setMailAddress(mailAddress);
-        this.setPassword(password);
-        this.setIdDepartment(idDepartment);
-        empCount++;
-
-    }
-    //ゲッター
-    public String getIdEmployee() {
-        return idEmployee;
-    }
-    public String getNmEmployee() {
-        return nmEmployee;
-    }
-    public String getKnEmployee() {
-        return knEmployee;
-    }
-    public String getMailAddress() {
-        return mailAddress;
-    }
-    public String getPassword() {
-        return password;
-    }
-    public String getIdDepartment() {
-        return idDepartment;
-    }
-    //セッター
-    public void setIdEmployee(String idEmployee) {
-        //nullチェック
-        if (idEmployee == null) {
-            System.out.println("社員IDが空のため設定できませんでした");
-            return;
-        }
-        //空文字チェック
-        if (idEmployee.trim().isEmpty()) {
-            System.out.println( "社員IDが空のため設定できませんでした");
-            return;
-        }
-        this.idEmployee = idEmployee;
-    }
-    public void setNmEmployee(String nmEmployee) {
-        //nullチェック
-        if (nmEmployee == null) {
-            System.out.println("社員名が空のため設定できませんでした");
-            return;
-        }
-        //空文字チェック
-        if (nmEmployee.trim().isEmpty()) {
-            System.out.println("社員名が空のため設定できませんでした");
-            return;
-        }
-        this.nmEmployee = nmEmployee;
-    }
-    public void setKnEmployee(String knEmployee) {
-        this.knEmployee = knEmployee;
-    }
-    public void setMailAddress(String mailAddress) {
-        this.mailAddress = mailAddress;
-    }
-    public void setPassword(String password) {
-        this.password = password;
-    }
-    public void setIdDepartment(String idDepartment) {
-        this.idDepartment = idDepartment;
-    }
-    //toString
-    @Override
-    public String toString() {
-
-        return getIdEmployee() + "\t"
-                + getNmEmployee() + "\t"
-                + getKnEmployee() + "\t"
-                + getMailAddress() + "\t"
-                + getPassword() + "\t"
-                + getIdDepartment();
-    }
-
-    //ID一致判定
-    public boolean isMatchId(String id) {
-        return getIdEmployee().equals(id);
-    }
-    //件数取得
-    public static int getEmpCount() {
-        return empCount;
-    }
-}
--- a/Item.java
+++ b/Item.java
@@ -1,52 +0,0 @@
-package misson1014;
-
-public class Item {
-	private String name;
-	private int price;
-	private int stock;
-
-	//商品
-	public void sell(int amount) {
-		//在庫減らし
-		this.setStock(this.getStock() - amount);
-	}
-
-	//商品名ゲッター
-	public String getName() {
-		return name;
-	}
-	//商品名セッター
-	public void setName(String name) {
-		this.name = name;
-	}
-	//価格ゲッター
-	public int getPrice() {
-		return price;
-	}
-	//価格セッター
-	public void setPrice(int price) {
-		this.price = price;
-	}
-	//在庫数ゲッター
-	public int getStock() {
-		return stock;
-	}
-	//在庫数セッター
-	public void setStock(int stock) {
-		this.stock = stock;
-	}
-
-	@Override
-	public String toString() {
-
-		return getName()
-				+ " "
-				+ getPrice()
-				+ "円 (残り"
-				+ getStock()
-				+ "個)";
-
-	}
-
-
-}
--- a/Main.java
+++ b/Main.java
@@ -1,80 +0,0 @@
-package misson1014;
-import java.util.Scanner;
-
-public class Main {
-
-	public static void main(String[] args) {
-		// TODO 自動生成されたメソッド・スタブ
-        //配列を作成
-        EmployeeData[] employees = new EmployeeData[5];
-
-        //インスタンス生成
-        employees[0] = new EmployeeData();
-        employees[1] = new EmployeeData();
-        employees[2] = new EmployeeData();
-        employees[3] = new EmployeeData();
-        employees[4] = new EmployeeData();
-
-        employees[0].setIdEmployee("10000");
-        employees[0].setNmEmployee("山田龍也");
-        employees[0].setKnEmployee("ヤマダタツヤ");
-        employees[0].setMailAddress("yamada@hoge.jp");
-        employees[0].setPassword("aaa");
-        employees[0].setIdDepartment("10");
-
-        employees[1].setIdEmployee("10001");
-        employees[1].setNmEmployee("高橋準");
-        employees[1].setKnEmployee("タカハシジュン");
-        employees[1].setMailAddress("jtaka@hoge.jp");
-        employees[1].setPassword("bbb");
-        employees[1].setIdDepartment("10");
-
-        employees[2].setIdEmployee("10002");
-        employees[2].setNmEmployee("麻枝史明");
-        employees[2].setKnEmployee("マエダフミアキ");
-        employees[2].setMailAddress("fmak@hoge.jp");
-        employees[2].setPassword("ccc");
-        employees[2].setIdDepartment("11");
-
-        employees[3].setIdEmployee("10003");
-        employees[3].setNmEmployee("丸戸章介");
-        employees[3].setKnEmployee("マルトショウスケ");
-        employees[3].setMailAddress("marusyo@hoge.jp");
-        employees[3].setPassword("ddd");
-        employees[3].setIdDepartment("12");
-
-        employees[4].setIdEmployee("10004");
-        employees[4].setNmEmployee("三宅武");
-        employees[4].setKnEmployee("ミヤケタケシ");
-        employees[4].setMailAddress("miya@hoge.jp");
-        employees[4].setPassword("eee");
-        employees[4].setIdDepartment("13");
-
-        Scanner scanner = new Scanner(System.in);
-
-        //0が入力されるまでループ
-        while (true) {
-            //ID入力
-            System.out.println("検索したい社員IDを入力してください（終了する場合は0）");
-            String search = scanner.nextLine();
-            if (search.equals("0")) { System.out.println("システムを終了します");
-                break;
-            }
-            //見つかったかどうか
-            boolean found = false;
-            //検索処理
-            for (int i = 0; i < employees.length; i++) {
-                if (employees[i].isMatchId(search)) {
-                	System.out.println(employees[i]);
-                    found = true;
-                    break;
-                }
-            }
-            // 見つからなかった場合
-            if (!found) {System.out.println("該当する社員が見つかりませんでした");
-            }
-        }
-        scanner.close();
-    }
-
-}
--- a/Main1.java
+++ b/Main1.java
@@ -1,91 +0,0 @@
-package misson1014;
-
-public class Main1 {
-
-	public static void main(String[] args) {
-		// TODO 自動生成されたメソッド・スタブ
-        //8段階目まで
-		
-        /*
-        EmployeeData[] employees = new EmployeeData[5];
-
-        employees[0] = new EmployeeData();
-        employees[1] = new EmployeeData();
-        employees[2] = new EmployeeData();
-        employees[3] = new EmployeeData();
-        employees[4] = new EmployeeData();
-
-        employees[0].setIdEmployee("10000");
-
-		8段階用
-        employees[0].setNmEmployee("");
-
-        employees[0].setKnEmployee("ヤマダタツヤ");
-        employees[0].setMailAddress("yamada@hoge.jp");
-        employees[0].setPassword("aaa");
-        employees[0].setIdDepartment("10");
-
-        employees[1].setIdEmployee("10001");
-        employees[1].setNmEmployee("高橋準");
-        employees[1].setKnEmployee("タカハシジュン");
-        employees[1].setMailAddress("jtaka@hoge.jp");
-        employees[1].setPassword("bbb");
-        employees[1].setIdDepartment("10");
-
-        employees[2].setIdEmployee("10002");
-        employees[2].setNmEmployee("麻枝史明");
-        employees[2].setKnEmployee("マエダフミアキ");
-        employees[2].setMailAddress("fmak@hoge.jp");
-        employees[2].setPassword("ccc");
-        employees[2].setIdDepartment("11");
-
-        employees[3].setIdEmployee("10003");
-        employees[3].setNmEmployee("丸戸章介");
-        employees[3].setKnEmployee("マルトショウスケ");
-        employees[3].setMailAddress("marusyo@hoge.jp");
-        employees[3].setPassword("ddd");
-        employees[3].setIdDepartment("12");
-
-        employees[4].setIdEmployee("10004");
-        employees[4].setNmEmployee("三宅武");
-        employees[4].setKnEmployee("ミヤケタケシ");
-        employees[4].setMailAddress("miya@hoge.jp");
-        employees[4].setPassword("eee");
-        employees[4].setIdDepartment("13");
-
-        for (int i = 0; i < employees.length; i++) {
-
-            System.out.println(employees[i]);
-
-        }
-
-        System.out.println(
-                "現在の社員データ件数:"
-                        + EmployeeData.getEmpCount()
-                        + "件");
-        */
-
-        //ここから9段階↓
-		EmployeeData employee1 =
-				new EmployeeData(
-						"10000",
-						"",
-						"ヤマダタツヤ",
-						"yamada@hoge.jp",
-						"aaa",
-						"10"
-						);
-
-		EmployeeData employee2 =
-				new EmployeeData(
-						"",
-						"山田龍也",
-						"ヤマダタツヤ",
-						"yamada@hoge.jp",
-						"aaa",
-						"10"
-						);
-
-	}
-
-}
--- a/Student.java
+++ b/Student.java
@@ -1,31 +0,0 @@
-package misson1014;
-
-public class Student {
-	int studentId;
-	String name;
-	//staticフィールド
-	static int studentCount = 0;
-
-	//コンストラクタ
-	public Student(int studentId, String name) {
-		//フィールド代入
-		this.studentId = studentId;
-		this.name = name;
-		studentCount++;
-	}
-
-	//学生情報
-	void printProfile() {
-
-		System.out.println(
-				"学籍番号:" + this.studentId
-				+ " 名前:" + this.name);
-	}
-
-	//現在の学生数用staticメソッド
-	public static int getStudentCount() {
-		return studentCount;
-
-	}
-
-}
--- a/em_oop_kawara/BaseData.java
+++ b/em_oop_kawara/BaseData.java
@@ -0,0 +1,9 @@
+
+public abstract class BaseData{
+	public abstract String toString();
+	public abstract String toCSV();
+	public abstract String getPrimaryKeyValue();
+	
+	
+
+}
--- a/misson1014/.classpath
+++ b/misson1014/.classpath
@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-21">
-		<attributes>
-			<attribute name="module" value="true"/>
-		</attributes>
-	</classpathentry>
-	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="output" path="bin"/>
-</classpath>
--- a/misson1014/.settings/org.eclipse.core.resources.prefs
+++ b/misson1014/.settings/org.eclipse.core.resources.prefs
@@ -1,2 +0,0 @@
-eclipse.preferences.version=1
-encoding/<project>=UTF-8
--- a/misson1014/bin/misson1014/BaseData.class
+++ b/misson1014/bin/misson1014/BaseData.class
--- a/misson1014/bin/misson1014/BasicCheck1.class
+++ b/misson1014/bin/misson1014/BasicCheck1.class
--- a/misson1014/bin/misson1014/BasicCheck2.class
+++ b/misson1014/bin/misson1014/BasicCheck2.class
--- a/misson1014/bin/misson1014/BasicCheck3.class
+++ b/misson1014/bin/misson1014/BasicCheck3.class
--- a/misson1014/bin/misson1014/Book.class
+++ b/misson1014/bin/misson1014/Book.class
--- a/misson1014/bin/misson1014/Circle.class
+++ b/misson1014/bin/misson1014/Circle.class
--- a/misson1014/bin/misson1014/Day3Check1.class
+++ b/misson1014/bin/misson1014/Day3Check1.class
--- a/misson1014/bin/misson1014/DepartmentData.class
+++ b/misson1014/bin/misson1014/DepartmentData.class
--- a/misson1014/bin/misson1014/EmployeeData.class
+++ b/misson1014/bin/misson1014/EmployeeData.class
--- a/misson1014/bin/misson1014/Item.class
+++ b/misson1014/bin/misson1014/Item.class
--- a/misson1014/bin/misson1014/Main.class
+++ b/misson1014/bin/misson1014/Main.class
--- a/misson1014/bin/misson1014/Main1.class
+++ b/misson1014/bin/misson1014/Main1.class
--- a/misson1014/bin/misson1014/Shape.class
+++ b/misson1014/bin/misson1014/Shape.class
--- a/misson1014/bin/misson1014/Student.class
+++ b/misson1014/bin/misson1014/Student.class
--- a/misson1014/src/misson1014/BaseData.java
+++ b/misson1014/src/misson1014/BaseData.java
@@ -1,10 +0,0 @@
-package misson1014;
-
-public abstract class BaseData {
-
-    public abstract String toString();
-
-    public abstract String toCSV();
-
-    public abstract String getPrimaryKeyValue();
-}
--- a/misson1014/src/misson1014/BasicCheck1.java
+++ b/misson1014/src/misson1014/BasicCheck1.java
@@ -1,27 +0,0 @@
-package misson1014;
-
-public class BasicCheck1 {
-
-	public static void main(String[] args) {
-		// TODO 自動生成されたメソッド・スタブ
-	       //コンストラクタ
-        Book book1 = new Book();
-
-        //book1
-        System.out.println(book1.title);
-        System.out.println(book1.author);
-        System.out.println(book1.price);
-
-        //コンストラクタ
-        Book book2 = new Book(
-                "銀河鉄道の夜",
-                "宮沢賢治",
-                500);
-
-        //book2
-        System.out.println(book2.title);
-        System.out.println(book2.author);
-        System.out.println(book2.price);
-
-    }
-}
--- a/misson1014/src/misson1014/BasicCheck2.java
+++ b/misson1014/src/misson1014/BasicCheck2.java
@@ -1,23 +0,0 @@
-package misson1014;
-
-public class BasicCheck2 {
-
-	public static void main(String[] args) {
-		// TODO 自動生成されたメソッド・スタブ
-        Student student1 = new Student(1, "鈴木一郎");
-        Student student2 = new Student(2, "田中花子");
-        Student student3 = new Student(3, "佐藤次郎");
-
-        // 学生情報表示
-        student1.printProfile();
-        student2.printProfile();
-        student3.printProfile();
-
-        // 現在の学生数表示
-        System.out.println(
-                "現在の生徒数:"
-                + Student.getStudentCount()
-                + "人");
-    }
-
-}
--- a/misson1014/src/misson1014/Book.java
+++ b/misson1014/src/misson1014/Book.java
@@ -1,28 +0,0 @@
-package misson1014;
-
-public class Book {
-    // タイトル
-    String title;
-    // 著者
-    String author;
-    // 価格
-    int price;
-    
-    //コンストラクタ
-    public Book() {
-
-        this.title = "タイトル未設定";
-        this.author = "著者未設定";
-        this.price = 0;
-    }
-
-    //コンストラクタ
-    public Book(String title, String author, int price) {
-
-        //フィールド代入
-        this.title = title;
-        this.author = author;
-        this.price = price;
-
-    }
-}
--- a/misson1014/src/misson1014/Circle.java
+++ b/misson1014/src/misson1014/Circle.java
@@ -1,24 +0,0 @@
-package misson1014;
-
-public class Circle extends Shape {
-
-	private double radius;
-
-	public Circle(double radius) {
-
-		super("円");
-
-		this.radius = radius;
-	}
-
-	@Override
-	public double area() {
-		return Math.PI * this.radius * this.radius;
-	}
-
-	@Override
-	public void showInfo() {
-		super.showInfo();
-		System.out.println("(半径:" + this.radius + ")");
-	}
-}
--- a/misson1014/src/misson1014/Day3Check1.java
+++ b/misson1014/src/misson1014/Day3Check1.java
@@ -1,11 +0,0 @@
-package misson1014;
-
-public class Day3Check1 {
-
-	public static void main(String[] args) {
-		// TODO 自動生成されたメソッド・スタブ
-        Circle circle = new Circle(2);
-
-        circle.showInfo();
-    }
-}
--- a/misson1014/src/misson1014/DepartmentData.java
+++ b/misson1014/src/misson1014/DepartmentData.java
@@ -1,38 +0,0 @@
-package misson1014;
-
-public class DepartmentData extends BaseData {
-
-	private String idDepartment;
-	private String nmDepartment;
-
-	public String getIdDepartment() {
-		return idDepartment;
-	}
-
-	public void setIdDepartment(String idDepartment) {
-		this.idDepartment = idDepartment;
-	}
-
-	public String getNmDepartment() {
-		return nmDepartment;
-	}
-
-	public void setNmDepartment(String nmDepartment) {
-		this.nmDepartment = nmDepartment;
-	}
-
-	@Override
-	public String toString() {
-		return getIdDepartment() + "\t" + getNmDepartment();
-	}
-
-	@Override
-	public String toCSV() {
-		return getIdDepartment() + "," + getNmDepartment();
-	}
-
-	@Override
-	public String getPrimaryKeyValue() {
-		return getIdDepartment();
-	}
-}
--- a/misson1014/src/misson1014/EmployeeData.java
+++ b/misson1014/src/misson1014/EmployeeData.java
@@ -1,147 +0,0 @@
-package misson1014;
-
-public class EmployeeData extends BaseData {
-	//社員ID
-	private String idEmployee;
-	//社員名
-	private String nmEmployee;
-	//社員名カナ
-	private String knEmployee;
-	//メールアドレス
-	private String mailAddress;
-	//パスワード
-	private String password;
-	//部署ID
-	private String idDepartment;
-	//社員データ件数
-	private static int empCount = 0;
-	//コンストラクタ
-	public EmployeeData() {
-		empCount++;
-	}
-	//コンストラクタ
-	public EmployeeData(
-			String idEmployee,
-			String nmEmployee,
-			String knEmployee,
-			String mailAddress,
-			String password,
-			String idDepartment) {
-
-		this.setIdEmployee(idEmployee);
-		this.setNmEmployee(nmEmployee);
-		this.setKnEmployee(knEmployee);
-		this.setMailAddress(mailAddress);
-		this.setPassword(password);
-		this.setIdDepartment(idDepartment);
-
-		empCount++;
-	}
-
-	//ゲッター
-	public String getIdEmployee() {
-		return idEmployee;
-	}
-	public String getNmEmployee() {
-		return nmEmployee;
-	}
-	public String getKnEmployee() {
-		return knEmployee;
-	}
-	public String getMailAddress() {
-		return mailAddress;
-	}
-	public String getPassword() {
-		return password;
-	}
-	public String getIdDepartment() {
-		return idDepartment;
-	}
-	//セッター
-	public void setIdEmployee(String idEmployee) {
-
-		if (idEmployee == null) {
-			System.out.println("社員IDが空のため設定できませんでした");
-			return;
-		}
-
-		if (idEmployee.trim().isEmpty()) {
-			System.out.println("社員IDが空のため設定できませんでした");
-			return;
-		}
-
-		this.idEmployee = idEmployee;
-	}
-
-	public void setNmEmployee(String nmEmployee) {
-
-		if (nmEmployee == null) {
-			System.out.println("社員名が空のため設定できませんでした");
-			return;
-		}
-
-		if (nmEmployee.trim().isEmpty()) {
-			System.out.println("社員名が空のため設定できませんでした");
-			return;
-		}
-
-		this.nmEmployee = nmEmployee;
-	}
-
-	public void setKnEmployee(String knEmployee) {
-		this.knEmployee = knEmployee;
-	}
-
-	public void setMailAddress(String mailAddress) {
-		this.mailAddress = mailAddress;
-	}
-
-	public void setPassword(String password) {
-		this.password = password;
-	}
-
-	public void setIdDepartment(String idDepartment) {
-		this.idDepartment = idDepartment;
-	}
-
-	//toString
-	@Override
-	public String toString() {
-
-		return getIdEmployee() + "\t"
-				+ getNmEmployee() + "\t"
-				+ getKnEmployee() + "\t"
-				+ getMailAddress() + "\t"
-				+ getPassword() + "\t"
-				+ getIdDepartment();
-	}
-
-	//CSV形式へ変換
-	@Override
-	public String toCSV() {
-
-		return getIdEmployee() + ","
-				+ getNmEmployee() + ","
-				+ getKnEmployee() + ","
-				+ getMailAddress() + ","
-				+ getPassword() + ","
-				+ getIdDepartment();
-	}
-
-	//キー取得
-	@Override
-	public String getPrimaryKeyValue() {
-
-		return getIdEmployee();
-	}
-
-	//ID一致判定
-	public boolean isMatchId(String id) {
-		return getIdEmployee().equals(id);
-	}
-
-	//件数取得
-	public static int getEmpCount() {
-		return empCount;
-	}
-}
--- a/misson1014/src/misson1014/Item.java
+++ b/misson1014/src/misson1014/Item.java
@@ -1,52 +0,0 @@
-package misson1014;
-
-public class Item {
-	private String name;
-	private int price;
-	private int stock;
-
-	//商品
-	public void sell(int amount) {
-		//在庫減らし
-		this.setStock(this.getStock() - amount);
-	}
-
-	//商品名ゲッター
-	public String getName() {
-		return name;
-	}
-	//商品名セッター
-	public void setName(String name) {
-		this.name = name;
-	}
-	//価格ゲッター
-	public int getPrice() {
-		return price;
-	}
-	//価格セッター
-	public void setPrice(int price) {
-		this.price = price;
-	}
-	//在庫数ゲッター
-	public int getStock() {
-		return stock;
-	}
-	//在庫数セッター
-	public void setStock(int stock) {
-		this.stock = stock;
-	}
-
-	@Override
-	public String toString() {
-
-		return getName()
-				+ " "
-				+ getPrice()
-				+ "円 (残り"
-				+ getStock()
-				+ "個)";
-
-	}
-
-
-}
--- a/misson1014/src/misson1014/Main.java
+++ b/misson1014/src/misson1014/Main.java
@@ -1,241 +0,0 @@
-package misson1014;
-import java.util.Scanner;
-
-public class Main {
-
-	public static void main(String[] args) {
-		// TODO 自動生成されたメソッド・スタブ
-		//社員データ格納用配列作成
-		//EmployeeDataをBaseDataとして管理する
-		//（ポリモーフィズム）
-		BaseData[] employees = new BaseData[5];
-
-		//社員データ用インスタンス
-		employees[0] = new EmployeeData();
-		employees[1] = new EmployeeData();
-		employees[2] = new EmployeeData();
-		employees[3] = new EmployeeData();
-		employees[4] = new EmployeeData();
-		employees[0] = new EmployeeData();
-		employees[1] = new EmployeeData();
-		employees[2] = new EmployeeData();
-		employees[3] = new EmployeeData();
-		employees[4] = new EmployeeData();
-
-		//社員情報設定
-		//BaseData型なのでEmployeeDataへ
-		//キャストしてセッターを利用する
-		((EmployeeData) employees[0]).setIdEmployee("10000");
-		((EmployeeData) employees[0]).setNmEmployee("山田龍也");
-		((EmployeeData) employees[0]).setKnEmployee("ヤマダタツヤ");
-		((EmployeeData) employees[0]).setMailAddress("yamada@hoge.jp");
-		((EmployeeData) employees[0]).setPassword("aaa");
-		((EmployeeData) employees[0]).setIdDepartment("10");
-
-		((EmployeeData) employees[1]).setIdEmployee("10001");
-		((EmployeeData) employees[1]).setNmEmployee("高橋準");
-		((EmployeeData) employees[1]).setKnEmployee("タカハシジュン");
-		((EmployeeData) employees[1]).setMailAddress("jtaka@hoge.jp");
-		((EmployeeData) employees[1]).setPassword("bbb");
-		((EmployeeData) employees[1]).setIdDepartment("10");
-
-		((EmployeeData) employees[2]).setIdEmployee("10002");
-		((EmployeeData) employees[2]).setNmEmployee("麻枝史明");
-		((EmployeeData) employees[2]).setKnEmployee("マエダフミアキ");
-		((EmployeeData) employees[2]).setMailAddress("fmak@hoge.jp");
-		((EmployeeData) employees[2]).setPassword("ccc");
-		((EmployeeData) employees[2]).setIdDepartment("11");
-
-		((EmployeeData) employees[3]).setIdEmployee("10003");
-		((EmployeeData) employees[3]).setNmEmployee("丸戸章介");
-		((EmployeeData) employees[3]).setKnEmployee("マルトショウスケ");
-		((EmployeeData) employees[3]).setMailAddress("marusyo@hoge.jp");
-		((EmployeeData) employees[3]).setPassword("ddd");
-		((EmployeeData) employees[3]).setIdDepartment("12");
-
-		((EmployeeData) employees[4]).setIdEmployee("10004");
-		((EmployeeData) employees[4]).setNmEmployee("三宅武");
-		((EmployeeData) employees[4]).setKnEmployee("ミヤケタケシ");
-		((EmployeeData) employees[4]).setMailAddress("miya@hoge.jp");
-		((EmployeeData) employees[4]).setPassword("eee");
-		((EmployeeData) employees[4]).setIdDepartment("13");
-
-		//6段階目
-		//EmployeeDataとDepartmentDataを同じBaseData配列で管理する
-		//全データ格納用
-		BaseData[] allData = new BaseData[11];
-
-		//社員データをallDataへ格納
-		for (int i = 0; i < employees.length; i++) {
-			allData[i] = employees[i];
-		}
-
-		//部署データ作成
-		//先にDepartmentData型で生成
-		//値を設定後にallDataへ格納する
-		DepartmentData dept;
-
-		dept = new DepartmentData();
-		dept.setIdDepartment("10");
-		dept.setNmDepartment("役員");
-		allData[5] = dept;
-
-		dept = new DepartmentData();
-		dept.setIdDepartment("11");
-		dept.setNmDepartment("人事・総務部");
-		allData[6] = dept;
-
-		dept = new DepartmentData();
-		dept.setIdDepartment("12");
-		dept.setNmDepartment("経理部");
-		allData[7] = dept;
-
-		dept = new DepartmentData();
-		dept.setIdDepartment("13");
-		dept.setNmDepartment("システム開発事業部");
-		allData[8] = dept;
-
-		dept = new DepartmentData();
-		dept.setIdDepartment("14");
-		dept.setNmDepartment("教育事業部");
-		allData[9] = dept;
-
-		dept = new DepartmentData();
-		dept.setIdDepartment("15");
-		dept.setNmDepartment("営業企画部");
-		allData[10] = dept;
-
-		//BaseData配列を全件表示
-		//EmployeeDataとDepartmentDataでオーバーライドされたtoString()が実行
-		for (int i = 0; i < allData.length; i++) {
-			System.out.println(allData[i]);
-		}
-
-		//7段階目
-		//instanceofを使って型を判定
-		//EmployeeData件数とDepartmentData件数を集計
-		int employeeCount = 0;
-		int departmentCount = 0;
-
-		for (int i = 0; i < allData.length; i++) {
-
-			if (allData[i] instanceof EmployeeData) {
-				employeeCount++;
-			}
-
-			if (allData[i] instanceof DepartmentData) {
-				departmentCount++;
-			}
-		}
-
-		//集計結果表示
-		System.out.println("社員データ:" + employeeCount + "件");
-		System.out.println("部署データ:" + departmentCount + "件");
-
-
-		//8段階目
-		//EmployeeDataへキャストしてメールアドレスを取得する
-		for (int i = 0; i < allData.length; i++) {
-
-			if (allData[i] instanceof EmployeeData) {
-
-				EmployeeData employee = (EmployeeData) allData[i];
-
-				System.out.println(
-						employee.getMailAddress()
-						);
-			}
-		}
-
-		Scanner scanner = new Scanner(System.in);
-
-		//9段階目
-		//入力した部署名に所属する社員を検索
-		//部署名から部署IDを取得
-		//部署IDと一致する社員を検索
-		//社員名とメールアドレスを表示
-
-		System.out.println("検索したい部署名を入力してください");
-		String departmentName = scanner.nextLine();
-
-		//該当部署の部署ID
-		String targetDepartmentId = null;
-
-		//部署見つかったか
-		boolean departmentFound = false;
-
-		//部署検索
-		for (int i = 0; i < allData.length; i++) {
-
-			if (allData[i] instanceof DepartmentData) {
-				DepartmentData department =(DepartmentData) allData[i];
-				if (department.getNmDepartment().equals(departmentName)) {
-					targetDepartmentId = department.getIdDepartment();
-					departmentFound = true;
-
-					break;
-				}
-			}
-		}
-
-		//部署が存在した場合
-		if (departmentFound) {
-
-			System.out.println("所属社員一覧");
-			for (int i = 0; i < allData.length; i++) {
-				if (allData[i] instanceof EmployeeData) {
-					EmployeeData employee =(EmployeeData) allData[i];
-					if (employee.getIdDepartment().equals(targetDepartmentId)) {
-						System.out.println(employee.getNmEmployee()
-								+ "\t"
-								+ employee.getMailAddress()
-								);
-					}
-				}
-			}
-
-		} else {
-
-			System.out.println(
-					"該当する部署が見つかりませんでした");
-
-		}
-
-
-
-		//三日目4段階目用
-		//System.out.println(employees[0].toCSV());
-		//System.out.println(employees[0].getPrimaryKeyValue());
-
-		//検索機能
-		//ループ
-		while (true) {
-
-			System.out.println("検索したい社員IDを入力してください（終了する場合は0）");
-
-			String search = scanner.nextLine();
-
-			if (search.equals("0")) {
-				System.out.println("システムを終了します");
-				break;
-			}
-
-			boolean found = false;
-
-			//ID検索と比較
-			for (int i = 0; i < employees.length; i++) {
-				if (employees[i].getPrimaryKeyValue().equals(search)) {
-					System.out.println(employees[i]);
-					found = true;
-					break;
-				}
-			}
-			//該当なし
-			if (!found) {
-				System.out.println("該当する社員が見つかりませんでした");
-			}
-		}
-
-		scanner.close();
-	}
-}
--- a/misson1014/src/misson1014/Main1.java
+++ b/misson1014/src/misson1014/Main1.java
@@ -1,125 +0,0 @@
-package misson1014;
-
-public class Main1 {
-
-	public static void main(String[] args) {
-		// TODO 自動生成されたメソッド・スタブ
-        //8段階目まで
-		
-        /*
-        EmployeeData[] employees = new EmployeeData[5];
-
-        employees[0] = new EmployeeData();
-        employees[1] = new EmployeeData();
-        employees[2] = new EmployeeData();
-        employees[3] = new EmployeeData();
-        employees[4] = new EmployeeData();
-
-        employees[0].setIdEmployee("10000");
-
-		8段階用
-        employees[0].setNmEmployee("");
-
-        employees[0].setKnEmployee("ヤマダタツヤ");
-        employees[0].setMailAddress("yamada@hoge.jp");
-        employees[0].setPassword("aaa");
-        employees[0].setIdDepartment("10");
-
-        employees[1].setIdEmployee("10001");
-        employees[1].setNmEmployee("高橋準");
-        employees[1].setKnEmployee("タカハシジュン");
-        employees[1].setMailAddress("jtaka@hoge.jp");
-        employees[1].setPassword("bbb");
-        employees[1].setIdDepartment("10");
-
-        employees[2].setIdEmployee("10002");
-        employees[2].setNmEmployee("麻枝史明");
-        employees[2].setKnEmployee("マエダフミアキ");
-        employees[2].setMailAddress("fmak@hoge.jp");
-        employees[2].setPassword("ccc");
-        employees[2].setIdDepartment("11");
-
-        employees[3].setIdEmployee("10003");
-        employees[3].setNmEmployee("丸戸章介");
-        employees[3].setKnEmployee("マルトショウスケ");
-        employees[3].setMailAddress("marusyo@hoge.jp");
-        employees[3].setPassword("ddd");
-        employees[3].setIdDepartment("12");
-
-        employees[4].setIdEmployee("10004");
-        employees[4].setNmEmployee("三宅武");
-        employees[4].setKnEmployee("ミヤケタケシ");
-        employees[4].setMailAddress("miya@hoge.jp");
-        employees[4].setPassword("eee");
-        employees[4].setIdDepartment("13");
-
-        for (int i = 0; i < employees.length; i++) {
-
-            System.out.println(employees[i]);
-
-        }
-
-        System.out.println(
-                "現在の社員データ件数:"
-                        + EmployeeData.getEmpCount()
-                        + "件");
-        */
-
-        /*ここから9段階↓
-		EmployeeData employee1 =
-				new EmployeeData(
-						"10000",
-						"",
-						"ヤマダタツヤ",
-						"yamada@hoge.jp",
-						"aaa",
-						"10"
-						);
-
-		EmployeeData employee2 =
-				new EmployeeData(
-						"",
-						"山田龍也",
-						"ヤマダタツヤ",
-						"yamada@hoge.jp",
-						"aaa",
-						"10"
-						);
-		*/
-		
-		//三日目５段階
-	       BaseData employee1 = new EmployeeData(
-	                        "10000",
-	                        "",
-	                        "ヤマダタツヤ",
-	                        "yamada@hoge.jp",
-	                        "aaa",
-	                        "10"
-	                );
-
-	        BaseData employee2 = new EmployeeData(
-	                        "",
-	                        "山田龍也",
-	                        "ヤマダタツヤ",
-	                        "yamada@hoge.jp",
-	                        "aaa",
-	                        "10"
-	                );
-
-	        System.out.println(employee1);
-
-	        System.out.println(employee1.toCSV());
-
-	        System.out.println(employee1.getPrimaryKeyValue());
-
-	        System.out.println(
-	                employee1.getPrimaryKeyValue().equals("10000")
-	        );
-
-	        System.out.println(
-	                employee2.getPrimaryKeyValue().equals("10000")
-	        );
-
-	}
-
-}
--- a/misson1014/src/misson1014/Shape.java
+++ b/misson1014/src/misson1014/Shape.java
@@ -1,17 +0,0 @@
-package misson1014;
-
-public class Shape {
-    private String name;
-
-    public Shape(String name) {
-        this.name = name;
-    }
-
-    public double area() {
-        return 0.0;
-    }
-
-    public void showInfo() {
-        System.out.println(this.name + "の面積は" + this.area() + "です");
-    }
-}
--- a/misson1014/src/misson1014/Student.java
+++ b/misson1014/src/misson1014/Student.java
@@ -1,31 +0,0 @@
-package misson1014;
-
-public class Student {
-	int studentId;
-	String name;
-	//staticフィールド
-	static int studentCount = 0;
-
-	//コンストラクタ
-	public Student(int studentId, String name) {
-		//フィールド代入
-		this.studentId = studentId;
-		this.name = name;
-		studentCount++;
-	}
-
-	//学生情報
-	void printProfile() {
-
-		System.out.println(
-				"学籍番号:" + this.studentId
-				+ " 名前:" + this.name);
-	}
-
-	//現在の学生数用staticメソッド
-	public static int getStudentCount() {
-		return studentCount;
-
-	}
-
-}
--- a/src/main/java/BasicCheck1.java
+++ b/src/main/java/BasicCheck1.java
@@ -0,0 +1,28 @@
+
+public class BasicCheck1 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		Book book = new Book();
+		Book book1 = new Book();
+		
+		book.title = "吾輩は猫である";
+		book.author = "夏目漱石";
+		book.price = 800;
+		
+		System.out.println(book1.title);
+		System.out.println(book1.author);
+		System.out.println(book1.price);
+		
+		
+		System.out.println(book.title);
+		System.out.println(book.author);
+		System.out.println(book.price);
+	
+		
+	
+	}
+	
+	
+
+}
--- a/src/main/java/BasicCheck2.java
+++ b/src/main/java/BasicCheck2.java
@@ -1,23 +1,19 @@
-package misson1014;

 public class BasicCheck2 {

 	public static void main(String[] args) {
 		// TODO 自動生成されたメソッド・スタブ
-        Student student1 = new Student(1, "鈴木一郎");
+		
+		Student student1 = new Student(1, "鈴木一郎");
        Student student2 = new Student(2, "田中花子");
        Student student3 = new Student(3, "佐藤次郎");
-
-        // 学生情報表示
+        
        student1.printProfile();
        student2.printProfile();
        student3.printProfile();
-
-        // 現在の学生数表示
-        System.out.println(
-                "現在の生徒数:"
-                + Student.getStudentCount()
-                + "人");
-    }
+        
+        System.out.println("現在の生徒数: " + student1.getStudentCount() + "人");
+        
+	}

 }
--- a/misson1014/src/misson1014/BasicCheck3.java
+++ b/misson1014/src/misson1014/BasicCheck3.java
@@ -1,37 +1,36 @@
-package misson1014;

 public class BasicCheck3 {

 	public static void main(String[] args) {
 		// TODO 自動生成されたメソッド・スタブ
-		// Item型の配列を作成
 		Item[] items = new Item[3];
-
-		//インスタンス生成
+		
 		items[0] = new Item();
-		items[1] = new Item();
-		items[2] = new Item();
-
 		items[0].setName("ノート");
-		items[0].setPrice(120);
+		items[0].setPrice(120);	
 		items[0].setStock(50);
+		

+		items[1] = new Item();
 		items[1].setName("消しゴム");
-		items[1].setPrice(80);
+		items[1].setPrice(80);	
 		items[1].setStock(30);
+		

+		items[2] = new Item();
 		items[2].setName("鉛筆");
-		items[2].setPrice(60);
+		items[2].setPrice(60);	
 		items[2].setStock(100);
-
-		//販売
+		
 		for (int i = 0; i < items.length; i++) {
-			items[i].sell(5);
-		}
-		//商品情報表示
+            items[i].sell(5);
+        }
+		
 		for (int i = 0; i < items.length; i++) {
-			System.out.println(items[i]);
-		}
-
+            System.out.println(items[i]);
+            
+        }
+		
 	}
-}
+
+}
--- a/src/main/java/Book.java
+++ b/src/main/java/Book.java
@@ -0,0 +1,18 @@
+
+public class Book {
+	String title;
+	String author;
+	int price;
+	
+	public Book() {
+	title = "タイトル未設定";
+	author = "著者未設定";
+	price = 0;
+}
+
+	public Book(String title,String author,int price) {
+		this.title = title;
+		this.author = author;
+		this.price = price;
+}
+}
--- a/src/main/java/EmployeeData.java
+++ b/src/main/java/EmployeeData.java
@@ -0,0 +1,142 @@
+public class EmployeeData extends BaseData {
+		
+		private String idEmployee;
+	    private String nmEmployee;
+	    private String knEmployee;
+	    private String mailAddress;
+	    private String password;
+	    private String idDepartment;
+	    
+	    
+	    
+	    private static int empCount = 0;
+	    
+	    
+	    
+	    
+	    
+	    
+
+
+	    public String getIdEmployee() {
+			return idEmployee;
+		}
+
+	    public void setIdEmployee(String idEmployee) {
+	    		if (idEmployee == null || idEmployee == " " ||idEmployee == "　" || idEmployee.isEmpty()) {
+	            System.out.println("社員IDが空のため設定できませんでした");
+	            return;
+	    	}
+			this.idEmployee = idEmployee;
+		}
+		
+		public String getNmEmployee() {
+			return nmEmployee;
+		}
+
+
+		public void setNmEmployee(String nmEmployee) {
+			if (nmEmployee == null || nmEmployee == " " || nmEmployee == "　" || nmEmployee.isEmpty()){
+	            System.out.println("社員名が空のため設定できませんでした");
+	            return;
+			}
+			this.nmEmployee = nmEmployee;
+		}
+
+		public String getKnEmployee() {
+			return knEmployee;
+		}
+
+		public void setKnEmployee(String knEmployee) {
+			this.knEmployee = knEmployee;
+		}
+
+		public String getMailAddress() {
+			return mailAddress;
+		}
+
+		public void setMailAddress(String mailAddress) {
+			this.mailAddress = mailAddress;
+		}
+
+		public String getPassword() {
+			return password;
+		}
+
+		public void setPassword(String password) {
+			this.password = password;
+		}
+
+
+
+
+
+		public String getIdDepartment() {
+			
+			return idDepartment;
+		}
+
+
+
+
+
+		public void setIdDepartment(String idDepartment) {
+			this.idDepartment = idDepartment;
+		}
+		
+		
+		public boolean isMatchId(String id) {
+			
+			
+			
+		    if (this.idEmployee != null && this.idEmployee.equals(id)) {
+		        return true; 
+		    } else {
+		        return false;
+		    }
+		}
+		
+		public void showInfo() {
+	        System.out.println(this.toString());
+	    }
+
+
+		@Override
+	   public String toString(){
+    	   return(getIdEmployee() + "\t" + getNmEmployee() + "\t" + getKnEmployee() + "\t" + getMailAddress() + "\t" +getPassword() + "\t" +getIdDepartment()
+    	                );
+       }
+	   
+	   public EmployeeData() {
+		   empCount++;
+	    }
+	   public EmployeeData(String idEmployee, String nmEmployee, String knEmployee,String mailAddress, String password, String idDepartment) {
+		   this.setIdEmployee(idEmployee);
+	       this.setNmEmployee(nmEmployee);
+	       this.setKnEmployee(knEmployee);
+	       this.setMailAddress(mailAddress);
+	       this.setPassword(password);
+	       this.setIdDepartment(idDepartment);
+		   empCount++;
+	   }
+	   
+	   
+	   
+	   static int getEmpCount() {
+			return empCount;
+		}
+	   
+	   
+	   @Override
+	   public String toCSV() {
+		   return getIdEmployee() + "," + getNmEmployee() + "," + getKnEmployee() + "," + getMailAddress() + "," + getPassword() + "," + getIdDepartment();
+		   
+	   }
+	   
+	   @Override
+	   public String getPrimaryKeyValue(){
+		   return this.idEmployee;
+	   }
+	   
+	   
+}
--- a/src/main/java/Item.java
+++ b/src/main/java/Item.java
@@ -0,0 +1,56 @@
+
+class Item {
+
+	
+	private String name;
+	private int price;
+	private int stock;
+
+
+
+public String getName() {
+	return name;
+}
+
+
+
+public void setName(String name) {
+	this.name = name;
+}
+
+
+
+public int getPrice() {
+	return price;
+}
+
+
+
+public void setPrice(int price) {
+	this.price = price;
+}
+
+
+
+public int getStock() {
+	return stock;
+}
+
+
+
+public void setStock(int stock) {
+	this.stock = stock;
+}
+
+
+
+public void sell(int amount) {
+	this.setStock(this.getStock() - amount);
+}
+
+@Override
+public String toString() {
+	return getName() + " " + getPrice() + "円 (残り" + getStock() + "個)";
+}
+
+}
--- a/src/main/java/Main.java
+++ b/src/main/java/Main.java
@@ -0,0 +1,73 @@
+import java.util.Scanner;
+
+public class Main {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		BaseData[] employees = new BaseData[5];
+		
+		
+		employees[0] = new EmployeeData("10000", "山田龍也", "ヤマダタツヤ", "yamada@hoge.jp", "aaa", "10");
+		employees[1] = new EmployeeData("10001", "高橋準", "タカハシジュン", "jtaka@hoge.jp", "bbb", "10");
+		employees[2] = new EmployeeData("10002", "麻枝史明", "マエダフミアキ", "fmak@hoge.jp", "ccc", "11");
+		employees[3] = new EmployeeData("10003", "丸戸章介", "マルトショウスケ", "marusyo@hoge.jp", "ddd", "12");
+		employees[4] = new EmployeeData("10004", "三宅武", "ミヤケタケシ", "miya@hoge.jp", "eee", "13");
+		
+	     for (int i = 0; i < employees.length; i++) {
+	    	 
+	    	 	//System.out.println(employees[i]);
+		
+	     	}
+	    
+	     System.out.println("現在のデータ件数："+EmployeeData.getEmpCount()+"件");
+	     
+	     
+	     while (true) {
+	    	 
+	    	
+	  
+	     
+	     //Scannerを使って、
+	     Scanner scanner = new Scanner(System.in);
+			//「検索したい社員IDを入力してください」と表示し
+	        System.out.println("検索したい社員IDを入力してください（終了する場合は0）");
+	        //キーボード入力を受け取る
+	        String idEmployee = scanner.next();
+	        
+	        
+	        
+	        if ("0".equals(idEmployee)) {
+	            System.out.println("システムを終了します");
+	            break; 
+	        }
+	        	
+			
+	        //employees配列をfor文で1件ずつ確認し
+	        for(int i = 0; i < employees.length; i++) {
+	        	
+	        	
+	        	
+	        	if (((EmployeeData) employees[i]).isMatchId(idEmployee)) {
+	        		//一致する社員が見つかったら、その社員のshowInfoメソッドを呼び出す
+	        		((EmployeeData) employees[i]).showInfo();
+	        	}
+	        	else {
+	        		//
+	        		System.out.println("検索したいIDが見つかりませんでした");
+	        		break;
+	        	}
+	        	
+	        }
+	        
+	        
+	        
+			
+	     }
+		 
+
+			 //System.out.println(employees[0].toCSV());
+			 //System.out.println(employees[0].getPrimaryKeyValue());
+
+	}
+	
+}
--- a/src/main/java/Student.java
+++ b/src/main/java/Student.java
@@ -0,0 +1,30 @@
+
+public class Student {
+
+	int studentId;
+	String name;
+	
+	
+	public void printProfile() {
+		System.out.println("学籍番号:"+this.studentId+" 名前:"+this.name);
+	}
+	
+	public Student(int StudentId,String name) {
+	
+		this.studentId = StudentId;
+		this.name = name;
+		
+	studentCount++;
+	
+	
+	}
+	
+	
+	public int getStudentCount() {
+		return studentCount;
+	}
+	
+	static int studentCount = 0;
+	
+	
+}
--- a/実行例_20261020/.classpath
+++ b/実行例_20261020/.classpath
@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-21">
-		<attributes>
-			<attribute name="module" value="true"/>
-		</attributes>
-	</classpathentry>
-	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="output" path="bin"/>
-</classpath>
--- a/実行例_20261020/.project
+++ b/実行例_20261020/.project
@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<projectDescription>
-	<name>実行例_20261020</name>
-	<comment></comment>
-	<projects>
-	</projects>
-	<buildSpec>
-		<buildCommand>
-			<name>org.eclipse.jdt.core.javabuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-	</buildSpec>
-	<natures>
-		<nature>org.eclipse.jdt.core.javanature</nature>
-	</natures>
-</projectDescription>
--- a/実行例_20261020/.settings/org.eclipse.core.resources.prefs
+++ b/実行例_20261020/.settings/org.eclipse.core.resources.prefs
@@ -1,2 +0,0 @@
-eclipse.preferences.version=1
-encoding/<project>=UTF-8
--- a/実行例_20261020/.settings/org.eclipse.jdt.core.prefs
+++ b/実行例_20261020/.settings/org.eclipse.jdt.core.prefs
@@ -1,11 +0,0 @@
-eclipse.preferences.version=1
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=21
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=21
-org.eclipse.jdt.core.compiler.debug.lineNumber=generate
-org.eclipse.jdt.core.compiler.debug.localVariable=generate
-org.eclipse.jdt.core.compiler.debug.sourceFile=generate
-org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
-org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
-org.eclipse.jdt.core.compiler.release=enabled
-org.eclipse.jdt.core.compiler.source=21
--- a/実行例_20261020/bin/BaseData.class
+++ b/実行例_20261020/bin/BaseData.class
--- a/実行例_20261020/bin/DepartmentData.class
+++ b/実行例_20261020/bin/DepartmentData.class
--- a/実行例_20261020/bin/EmployeeData.class
+++ b/実行例_20261020/bin/EmployeeData.class
--- a/実行例_20261020/bin/Main.class
+++ b/実行例_20261020/bin/Main.class
--- a/実行例_20261020/src/BaseData.java
+++ b/実行例_20261020/src/BaseData.java
@@ -1,10 +0,0 @@
-
-
-public abstract class BaseData {
-
-    public abstract String toString();
-
-    public abstract String toCSV();
-
-    public abstract String getPrimaryKeyValue();
-}
--- a/実行例_20261020/src/DepartmentData.java
+++ b/実行例_20261020/src/DepartmentData.java
@@ -1,38 +0,0 @@
-
-
-public class DepartmentData extends BaseData {
-
-	private String idDepartment;
-	private String nmDepartment;
-
-	public String getIdDepartment() {
-		return idDepartment;
-	}
-
-	public void setIdDepartment(String idDepartment) {
-		this.idDepartment = idDepartment;
-	}
-
-	public String getNmDepartment() {
-		return nmDepartment;
-	}
-
-	public void setNmDepartment(String nmDepartment) {
-		this.nmDepartment = nmDepartment;
-	}
-
-	@Override
-	public String toString() {
-		return getIdDepartment() + "\t" + getNmDepartment();
-	}
-
-	@Override
-	public String toCSV() {
-		return getIdDepartment() + "," + getNmDepartment();
-	}
-
-	@Override
-	public String getPrimaryKeyValue() {
-		return getIdDepartment();
-	}
-}
--- a/実行例_20261020/src/EmployeeData.java
+++ b/実行例_20261020/src/EmployeeData.java
@@ -1,147 +0,0 @@
-
-
-public class EmployeeData extends BaseData {
-	//社員ID
-	private String idEmployee;
-	//社員名
-	private String nmEmployee;
-	//社員名カナ
-	private String knEmployee;
-	//メールアドレス
-	private String mailAddress;
-	//パスワード
-	private String password;
-	//部署ID
-	private String idDepartment;
-	//社員データ件数
-	private static int empCount = 0;
-	//コンストラクタ
-	public EmployeeData() {
-		empCount++;
-	}
-	//コンストラクタ
-	public EmployeeData(
-			String idEmployee,
-			String nmEmployee,
-			String knEmployee,
-			String mailAddress,
-			String password,
-			String idDepartment) {
-
-		this.setIdEmployee(idEmployee);
-		this.setNmEmployee(nmEmployee);
-		this.setKnEmployee(knEmployee);
-		this.setMailAddress(mailAddress);
-		this.setPassword(password);
-		this.setIdDepartment(idDepartment);
-
-		empCount++;
-	}
-
-	//ゲッター
-	public String getIdEmployee() {
-		return idEmployee;
-	}
-	public String getNmEmployee() {
-		return nmEmployee;
-	}
-	public String getKnEmployee() {
-		return knEmployee;
-	}
-	public String getMailAddress() {
-		return mailAddress;
-	}
-	public String getPassword() {
-		return password;
-	}
-	public String getIdDepartment() {
-		return idDepartment;
-	}
-	//セッター
-	public void setIdEmployee(String idEmployee) {
-
-		if (idEmployee == null) {
-			System.out.println("社員IDが空のため設定できませんでした");
-			return;
-		}
-
-		if (idEmployee.trim().isEmpty()) {
-			System.out.println("社員IDが空のため設定できませんでした");
-			return;
-		}
-
-		this.idEmployee = idEmployee;
-	}
-
-	public void setNmEmployee(String nmEmployee) {
-
-		if (nmEmployee == null) {
-			System.out.println("社員名が空のため設定できませんでした");
-			return;
-		}
-
-		if (nmEmployee.trim().isEmpty()) {
-			System.out.println("社員名が空のため設定できませんでした");
-			return;
-		}
-
-		this.nmEmployee = nmEmployee;
-	}
-
-	public void setKnEmployee(String knEmployee) {
-		this.knEmployee = knEmployee;
-	}
-
-	public void setMailAddress(String mailAddress) {
-		this.mailAddress = mailAddress;
-	}
-
-	public void setPassword(String password) {
-		this.password = password;
-	}
-
-	public void setIdDepartment(String idDepartment) {
-		this.idDepartment = idDepartment;
-	}
-
-	//toString
-	@Override
-	public String toString() {
-
-		return getIdEmployee() + "\t"
-				+ getNmEmployee() + "\t"
-				+ getKnEmployee() + "\t"
-				+ getMailAddress() + "\t"
-				+ getPassword() + "\t"
-				+ getIdDepartment();
-	}
-
-	//CSV形式へ変換
-	@Override
-	public String toCSV() {
-
-		return getIdEmployee() + ","
-				+ getNmEmployee() + ","
-				+ getKnEmployee() + ","
-				+ getMailAddress() + ","
-				+ getPassword() + ","
-				+ getIdDepartment();
-	}
-
-	//キー取得
-	@Override
-	public String getPrimaryKeyValue() {
-
-		return getIdEmployee();
-	}
-
-	//ID一致判定
-	public boolean isMatchId(String id) {
-		return getIdEmployee().equals(id);
-	}
-
-	//件数取得
-	public static int getEmpCount() {
-		return empCount;
-	}
-}
--- a/実行例_20261020/src/Main.java
+++ b/実行例_20261020/src/Main.java
@@ -1,214 +0,0 @@
-import java.io.BufferedReader;
-import java.io.FileReader;
-import java.io.FileWriter;
-import java.io.IOException;
-import java.io.PrintWriter;
-import java.util.Scanner;
-
-public class Main {
-
-	public static void main(String[] args) {
-		Scanner scanner = new Scanner(System.in);
-
-		//社員データ格納用配列
-		//CSVから読み込んだ社員データを格納する
-		EmployeeData[] employees = new EmployeeData[100];
-
-		//読み込んだ件数管理用
-		int count = 0;
-
-		// EmployeeData.csv読込
-		try {
-
-			BufferedReader br = 
-					new BufferedReader(new FileReader("C:\\Users\\石原　叶大\\Documents\\em-oop\\EmployeeData.csv"));
-
-			String line;
-
-
-			// CSVを1行ずつ読込
-			while ((line = br.readLine()) != null) {
-
-				//カンマ区切りで分割
-				String[] data = line.split(",");
-
-				// EmployeeData生成
-				EmployeeData employee = new EmployeeData();
-
-
-				//CSVの値をEmployeeDataへ設定
-				employee.setIdEmployee(data[0]);
-				employee.setNmEmployee(data[1]);
-				employee.setKnEmployee(data[2]);
-				employee.setMailAddress(data[3]);
-				employee.setPassword(data[4]);
-				employee.setIdDepartment(data[5]);
-
-
-				//配列へ格納
-				employees[count] = employee;
-
-				//件数加算
-				count++;
-			}
-
-			//ファイルクローズ
-			br.close();
-
-		} catch (IOException e) {
-
-			//CSV読込失敗
-			System.out.println("CSVの読み込みに失敗しました");
-
-			return;
-		}
-
-		//システム開始
-		System.out.println("システムを開始します");
-
-		//ループ
-		//0が入力されるまで繰り返す
-		while (true) {
-
-			System.out.println();
-
-			//メニュー表示
-			System.out.println("1:検索 2:登録 3:更新 4:削除 0:終了");
-
-			//メニュー入力
-			String menu = scanner.nextLine();
-
-			//システム終了
-			if (menu.equals("0")) {
-				System.out.println("システムを終了します");
-
-				break;
-			}
-
-			//検索機能
-			else if (menu.equals("1")) {
-
-				//検索メニュー表示
-				System.out.println("1:全検索 2:条件検索 それ以外:戻る");
-
-				String searchMenu = scanner.nextLine();
-
-				//全検索
-				if (searchMenu.equals("1")) {
-
-					// 読み込んだ全社員を表示
-					for (int i = 0; i < count; i++) {
-
-						System.out.println(employees[i]);
-					}
-				}
-
-
-				//社員ID検索
-				else if (searchMenu.equals("2")) {
-
-					//ID入力
-					System.out.println("IDを入力してください");
-
-					String id = scanner.nextLine();
-
-					//検索判定
-					boolean found = false;
-
-					//配列検索
-					for (int i = 0; i < count; i++) {
-
-						//社員ID比較
-						if (employees[i].getPrimaryKeyValue().equals(id)) {
-
-							//一致データ表示
-							System.out.println(employees[i]);
-
-							found = true;
-							break;
-						}
-					}
-
-					//見つからなかった場合
-					if (!found) {System.out.println("該当する社員が見つかりませんでした");
-					}
-				}
-			}
-
-			//社員登録機能
-			else if (menu.equals("2")) {
-
-				//新しい社員データ生成
-				EmployeeData employee = new EmployeeData();
-
-				//社員ID入力
-				System.out.println("社員IDを入力してください");
-				employee.setIdEmployee(scanner.nextLine());
-
-				//社員名入力
-				System.out.println("社員名を入力してください");
-
-				employee.setNmEmployee(scanner.nextLine());
-
-				//フリガナ入力
-				System.out.println("フリガナを入力してください");
-				employee.setKnEmployee(scanner.nextLine());
-
-				//メールアドレス入力
-				System.out.println("メールアドレスを入力してください");
-				employee.setMailAddress(scanner.nextLine());
-
-				//パスワード入力
-				System.out.println("パスワードを入力してください");
-
-				employee.setPassword(scanner.nextLine());
-
-				//部署ID入力
-				System.out.println("部署IDを入力してください");
-				employee.setIdDepartment(scanner.nextLine());
-
-				//配列へ追加
-				employees[count] = employee;
-
-				//CSVへ追記
-				try {
-					PrintWriter pw =
-							new PrintWriter(new FileWriter("C:\\Users\\石原　叶大\\Documents\\em-oop\\EmployeeData.csv",true));
-
-					//CSVに1行追加
-					pw.println(employee.toCSV());
-					pw.close();
-
-				} catch (IOException e) {
-					System.out.println("CSVへの保存に失敗しました");
-
-					return;
-				}
-
-				// 件数加算
-				count++;
-
-				System.out.println("登録が完了しました");
-			}
-
-			//更新機能
-			//未実装あとから使う
-			else if (menu.equals("3")) {
-				System.out.println("更新機能は未実装です");
-			}
-
-			//削除機能
-			//未実装あとから使う
-			else if (menu.equals("4")) {
-				System.out.println("削除機能は未実装です");
-			}
-
-			//入力ミス
-			else {
-				System.out.println("正しく入力してください");
-			}
-		}
-
-		scanner.close();
-	}
-}
Author	SHA1	Message	Date
瓦　昴世	04ef2b8b1f	Basedata	2026-10-21 12:59:39 +09:00
瓦　昴世	b17babd071	最終日	2026-10-20 16:43:29 +09:00
瓦　昴世	24aa555e45	2日目	2026-10-19 14:15:21 +09:00
瓦　昴世	d656d3c5a8	1日目	2026-10-14 17:38:57 +09:00
瓦　昴世	7e61a24d20	1日目	2026-10-14 17:05:56 +09:00
瓦　昴世	9223c5810c	1日目	2026-10-14 16:57:44 +09:00