4日目

.classpath

@@ -1,6 +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"/>
-	<classpathentry kind="src" path="src/main/java"/>
-	<classpathentry kind="output" path="build/classes"/>
-</classpath>

.gitignore

@@ -1 +0,0 @@
-/build/

.settings/org.eclipse.wst.common.project.facet.core.xml

@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<faceted-project>
-  <installed facet="java" version="21"/>
-</faceted-project>

EmployeeData_20261014_hirayama.java

@@ -0,0 +1,17 @@
+
+public class EmployeeData {
+	//フィールド
+	String idEmployee;
+	String nmEmployee;
+	String knEmployee;
+	String mailAddress;
+	String password;
+	String idDepartment;
+	
+	//メソッド
+	public void showInfo(String employee[]) {
+		System.out.println(this.idEmployee + "\t" + this.nmEmployee + "\t" + this.knEmployee + "\t" + this.mailAddress + "\t" + this.password + "\t" + this.idDepartment);
+	}
+	
+
+}

Main_20261014_hirayama.java

@@ -0,0 +1,61 @@
+
+public class Main {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		
+		EmployeeData[] employee = new EmployeeData[5];
+		
+		//インスタンス生成
+		/*EmployeeData em1 = new EmployeeData();
+		EmployeeData em2 = new EmployeeData();
+		EmployeeData em3 = new EmployeeData();
+		EmployeeData em4 = new EmployeeData();
+		EmployeeData em5 = new EmployeeData();*/
+		
+		
+		//代入
+		employee[0].idEmployee = "10000";
+		employee[0].nmEmployee = "山田龍也";
+		employee[0].knEmployee = "ヤマダタツヤ";
+		employee[0].mailAddress = "yamada@hoge.jp";
+		employee[0].password = "aaa";
+		employee[0].idDepartment = "10";
+		
+		employee[1].idEmployee = "10001";
+		employee[1].nmEmployee = "高橋準";
+		employee[1].knEmployee = "タカハシジュン";
+		employee[1].mailAddress = "jtaka@hoge.jp";
+		employee[1].password = "bbb";
+		employee[1].idDepartment = "10";
+		
+		employee[2].idEmployee = "10002";
+		employee[2].nmEmployee = "麻枝史明";
+		employee[2].knEmployee = "マエダフミアキ";
+		employee[2].mailAddress = "fmak@hoge.jp";
+		employee[2].password = "ccc";
+		employee[2].idDepartment = "11";
+		
+		employee[3].idEmployee = "10003";
+		employee[3].nmEmployee = "丸戸章介";
+		employee[3].knEmployee = "マルトショウスケ";
+		employee[3].mailAddress = "marusyo@hoge.jp";
+		employee[3].password = "ddd";
+		employee[3].idDepartment = "12";
+		
+		employee[4].idEmployee = "10004";
+		employee[4].nmEmployee = "三宅武";
+		employee[4].knEmployee = "ミヤケタケシ";
+		employee[4].mailAddress = "miya@hoge.jp";
+		employee[4].password = "eee";
+		employee[4].idDepartment = "13";
+		
+		/*メソッド呼び出し
+		for(int i = 0; i < 5; i++) {
+			employee[].showInfo();
+		
+		}*/
+
+	}
+
+}

ObjectSample_20261014_hirayama.java

@@ -0,0 +1,24 @@
+
+public class ObjectSample {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		//原本のコピー(インスタンス生成)
+		Student student1 = new Student();
+		Student student2 = new Student();
+		
+		//name、ageへの代入
+		student1.name = "田中";
+		student1.age = 30;
+		
+		student2.name = "山本";
+		student2.age = 25;
+				
+		//introduceメソッドの呼び出し
+		student1.intoroduce();
+		
+		student2.intoroduce();
+	}
+}
+
+		

Student_20261014_hirayama.java

@@ -0,0 +1,13 @@
+
+public class Student {
+	//フィールドの宣言
+	String name;
+	int age;
+	
+	//メソッドの定義
+	public void intoroduce() {
+		System.out.println("私の名前は" + this.name);
+		System.out.println("年齢は" + this.age);
+	}
+
+}

em-oop_hirayama/.project

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <projectDescription>
-	<name>em-oop</name>
+	<name>Mission_em_oop</name>
 	<comment></comment>
 	<projects>
 	</projects>
@@ -10,14 +10,8 @@
 			<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>

em-oop_hirayama/.settings/org.eclipse.core.resources.prefs

@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+encoding/<project>=UTF-8

em-oop_hirayama/.settings/org.eclipse.jdt.core.prefs

@@ -1,9 +1,11 @@
 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.problem.assertIdentifier=error
+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.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
 org.eclipse.jdt.core.compiler.release=enabled
 org.eclipse.jdt.core.compiler.source=21

em-oop_hirayama/src/BaseData.java

@@ -1,9 +1,8 @@
 
 public abstract class BaseData {
+	//メソッド
 	public abstract String toString();
 	public abstract String toCSV();
 	public abstract String getPrimaryKeyValue();
 
-	
-
 }

em-oop_hirayama/src/EmployeeData.java

@@ -0,0 +1,101 @@
+
+public class EmployeeData extends BaseData {
+	//フィールド
+ 	private String idEmployee;
+	private  String nmEmployee;
+	private String knEmployee;
+	private String mailAddress;
+	private String password;
+	private String idDepartment;
+	
+	
+ 	//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);
+ 	}
+ 	
+ 	public EmployeeData() {
+ 		
+ 	}
+ 	
+
+	//idEmployeeゲッター
+ 	public String getIdEmployee() {
+ 		return idEmployee;
+ 	}
+ 	
+ 	//セッター
+ 	public void setIdEmployee(String idEmployee) {
+ 		this.idEmployee =idEmployee;
+ 	}
+ 	//nmEmployeeゲッター
+ 	public String getNmEmployee() {
+ 		return nmEmployee;
+ 	}
+ 	
+ 	//nmEmployeeセッター
+ 	public void setNmEmployee(String nmEmployee) {
+ 		this.nmEmployee = nmEmployee;
+ 	}
+ 	//knEmployeeゲッター
+ 	public String getKnEmployee() {
+ 		return knEmployee;
+ 	}
+ 	
+ 	//knEmployeeセッター
+ 	public void setKnEmployee(String knEmployee) {
+ 		this.knEmployee = knEmployee;
+ 	}
+ 	//mailAddressゲッター
+ 	public String getMailAddress() {
+ 		return mailAddress;
+ 	}
+ 	
+ 	//mailAddressセッター
+ 	public void setMailAddress(String mailAddress) {
+ 		this.mailAddress = mailAddress;
+ 	}
+ 	//passwordゲッター
+ 	public String getPassword() {
+ 		return password;
+ 	}
+ 	
+ 	//passwordセッター
+ 	public void setPassword(String password) {
+ 		this.password = password;
+ 	}
+ 	//nmEmployeeゲッター
+ 	public String getIdDepartment() {
+ 		return idDepartment;
+ 	}
+ 	
+ 	//nmEmployeeセッター
+ 	public void setIdDepartment(String idDepartment) {
+ 		this.idDepartment = idDepartment;
+ 	}
+ 	
+ 	
+
+	
+	//メソッド
+ 	
+ 	@Override
+	public String toString() {
+		return (this.idEmployee + "\t" + this.nmEmployee + "\t" + this.knEmployee + "\t" + this.mailAddress + "\t" + this.password + "\t" + this.idDepartment);
+	}
+ 	
+ 	public String toCSV() {
+ 		return getIdEmployee() + "," + getNmEmployee() + "," + getKnEmployee() + "," + getMailAddress() + "," + getPassword()  + "," + getIdDepartment();
+ 	}
+	
+	public String getPrimaryKeyValue() {
+		return idEmployee;
+	}
+
+}
+

em-oop_hirayama/src/Main.java

@@ -0,0 +1,74 @@
+
+public class Main {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		
+		EmployeeData[] employee = new EmployeeData[5];
+		
+		
+		//インスタンス生成,代入
+		EmployeeData em1 = new EmployeeData("10000", "山田龍也", "ヤマダタツヤ", "yamada@hoge.jp", "aaa", "10");
+		employee[0] = em1;
+		EmployeeData em2 = new EmployeeData("10001", "高橋準", "タカハシジュン", "jtaka@hoge.jp", "bbb", "10");
+		employee[1] = em2;
+		EmployeeData em3 = new EmployeeData("10002", "麻枝史明", "マエダフミアキ", "fmak@hoge.jp", "ccc", "11");
+		employee[2] = em3;
+		EmployeeData em4 = new EmployeeData("10003", "丸戸章介", "マルトショウスケ", "marusyo@hoge.jp", "ddd", "12");
+		employee[3] = em4;
+		EmployeeData em5 = new EmployeeData("10004", "三宅武", "ミヤケタケシ", "miya@hoge.jp", "eee", "13");
+		employee[4] = em5;
+		
+		//代入
+		employee[0].setIdEmployee("10000");
+		employee[0].setNmEmployee("山田龍也");
+		employee[0].setKnEmployee("ヤマダタツヤ");
+		employee[0].setMailAddress("yamada@hoge.jp");
+		employee[0].setPassword("aaa");
+		employee[0].setIdDepartment("10");
+		
+		employee[1].setIdEmployee("10001");
+		employee[1].setNmEmployee("高橋準");
+		employee[1].setKnEmployee("タカハシジュン");
+		employee[1].setMailAddress("jtaka@hoge.jp");
+		employee[1].setPassword("bbb");
+		employee[1].setIdDepartment("10");
+		
+		employee[2].setIdEmployee("10002");
+		employee[2].setNmEmployee("麻枝史明");
+		employee[2].setKnEmployee("マエダフミアキ");
+		employee[2].setMailAddress("fmak@hoge.jp");
+		employee[2].setPassword("ccc");
+		employee[2].setIdDepartment("11");
+		
+		employee[3].setIdEmployee("10003");
+		employee[3].setNmEmployee("丸戸章介");
+		employee[3].setKnEmployee("マルトショウスケ");
+		employee[3].setMailAddress("marusyo@hoge.jp");
+		employee[3].setPassword("ddd");
+		employee[3].setIdDepartment("12");
+		
+		employee[4].setIdEmployee("10004");
+		employee[4].setNmEmployee("三宅武");
+		employee[4].setKnEmployee("ミヤケタケシ");
+		employee[4].setMailAddress("miya@hoge.jp");
+		employee[4].setPassword("eee");
+		employee[4].setIdDepartment("13");
+
+		
+		
+		//メソッド呼び出し
+		
+		for(int i = 0; i < 5; i++) {
+			System.out.println(employee[i]);
+		}
+		
+		System.out.println(employee[0].toCSV());
+		
+		
+		System.out.println(employee[0].getPrimaryKeyValue());
+
+	}
+
+
+}

src/main/java/BasicCheck1.java

@@ -1,28 +0,0 @@
-
-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);
-	
-		
-	
-	}
-	
-	
-
-}

src/main/java/BasicCheck2.java

@@ -1,19 +0,0 @@
-
-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");
-        
-        student1.printProfile();
-        student2.printProfile();
-        student3.printProfile();
-        
-        System.out.println("現在の生徒数: " + student1.getStudentCount() + "人");
-        
-	}
-
-}

src/main/java/BasicCheck3.java

@@ -1,36 +0,0 @@
-
-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[] items = new Item[3];
-		
-		items[0] = new Item();
-		items[0].setName("ノート");
-		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].setStock(30);
-		
-
-		items[2] = new Item();
-		items[2].setName("鉛筆");
-		items[2].setPrice(60);	
-		items[2].setStock(100);
-		
-		for (int i = 0; i < items.length; i++) {
-            items[i].sell(5);
-        }
-		
-		for (int i = 0; i < items.length; i++) {
-            System.out.println(items[i]);
-            
-        }
-		
-	}
-
-}

src/main/java/Book.java

@@ -1,18 +0,0 @@
-
-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;
-}
-}

src/main/java/EmployeeData.java

@@ -1,142 +0,0 @@
-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;
-	   }
-	   
-	   
-}

src/main/java/Item.java

@@ -1,56 +0,0 @@
-
-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)";
-}
-
-}

src/main/java/Main.java

@@ -1,73 +0,0 @@
-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());
-
-	}
-	
-}

src/main/java/Student.java

@@ -1,30 +0,0 @@
-
-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;
-	
-	
-}