6 Commits

Author SHA1 Message Date
04ef2b8b1f Basedata 2026-10-21 12:59:39 +09:00
b17babd071 最終日 2026-10-20 16:43:29 +09:00
24aa555e45 2日目 2026-10-19 14:15:21 +09:00
d656d3c5a8 1日目 2026-10-14 17:38:57 +09:00
7e61a24d20 1日目 2026-10-14 17:05:56 +09:00
9223c5810c 1日目 2026-10-14 16:57:44 +09:00
11 changed files with 391 additions and 263 deletions

View File

@@ -1,7 +1,9 @@
public abstract class BaseData { public abstract class BaseData{
public abstract String toString(); public abstract String toString();
public abstract String toCSV(); public abstract String toCSV();
public abstract String getPrimaryKeyValue(); public abstract String getPrimaryKeyValue();
} }

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@@ -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);
}
}

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@@ -0,0 +1,19 @@
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");
}
}

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@@ -0,0 +1,36 @@
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]);
}
}
}

18
src/main/java/Book.java Normal file
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@@ -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;
}
}

View File

@@ -1,133 +0,0 @@
import java.util.Scanner;
public class CUI_20261014 {
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();
((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");
employees[2] = new EmployeeData();
((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");
employees[3] = new EmployeeData();
((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");
employees[4] = new EmployeeData();
((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");
for(int i = 0; i < 5; i++) {
System.out.println(employees[i]);
}
System.out.println("現在の社員データ件数:" + EmployeeData.getEmpCount() + "件");
System.out.println();
System.out.println(employees[0].toCSV());
System.out.println(employees[0].getPrimaryKeyValue());
BaseData[] allData = new BaseData[11];
for(int i = 0; i <= 4; i++) {
allData[i] = employees[i];
}
DepartmentData dept = new DepartmentData();
dept.setIdDepartment("10");
dept.setNmDepartment("役員");
allData[5] = dept;
dept.setIdDepartment("11");
dept.setNmDepartment("人事・総務部");
allData[6] = dept;
dept.setIdDepartment("12");
dept.setNmDepartment("経理部");
allData[7] = dept;
dept.setIdDepartment("13");
dept.setNmDepartment("システム開発事業部");
allData[8] = dept;
dept.setIdDepartment("14");
dept.setNmDepartment("教育事業部");
allData[9] = dept;
dept.setIdDepartment("15");
dept.setNmDepartment("営業企画部");
allData[10] = dept;
for(int i = 0; i <= 10; i++) {
System.out.println(allData[i]);
}
//IDが10002を探す
System.out.println("10002 を検索します");
boolean b1 = false; //一致してるかを判定させる
for(int i = 0; i < 5; i++) { //employees[0-4]まで繰り返す
if(employees[i].getPrimaryKeyValue().equals("10002")) { //10002と一致するのがあれば
b1 = true; //b1をtrueにして
break; //繰り返しを抜ける
}
}
System.out.println(b1); //trueかfalseかを出力
//IDが99999を探す
System.out.println("99999 を検索します");
boolean b2 = false;
for(int i = 0; i < 5; i++) {
if(employees[i].getPrimaryKeyValue().equals("99999")) {
b2 = true;
break;
}
}
System.out.println(b2);
while(true) { //繰り返す
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)");
Scanner sc = new Scanner(System.in); //キーボード入力受け取る
String str = sc.nextLine(); //入力されたものをstrにする
if(str.equals("0")) { //0と入力されたら
System.out.println("システムを終了します"); //終わる
break; //ループ終了
}
boolean b3 = false; //一致してるかを判定させる
for(int i = 0; i < 5; i++) { //employees[0-4]まで繰り返す
if(employees[i].getPrimaryKeyValue().equals(str)) { //strと一致していたら
System.out.println(employees[i].toString()); //toStoringメソッドを呼び出して出力
b3 = true; //b3をtrueにして
break; //繰り返しを抜ける
}
}
if(!b3) {
System.out.println("該当する社員が見つかりませんでした");
}
}
}
}

View File

@@ -1,31 +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 this.getIdDepartment() + "\t" + this.getNmDepartment();
}
@Override
public String toCSV() {
return this.getIdDepartment() + "," + this.getNmDepartment();
}
@Override
public String getPrimaryKeyValue() {
return this.getIdDepartment();
}
}

View File

@@ -1,112 +1,142 @@
public class EmployeeData extends BaseData {
public class EmployeeData extends BaseData{ private String idEmployee;
private String idEmployee; private String nmEmployee;
private String nmEmployee; private String knEmployee;
private String knEmployee; private String mailAddress;
private String mailAddress; private String password;
private String password; private String idDepartment;
private String idDepartment;
//ゲッターとセッター
public String getIdEmployee() {
return idEmployee;
}
public void setIdEmployee(String idEmployee) {
if(idEmployee == null || idEmployee.strip().isEmpty()) { private static int empCount = 0;
System.out.println("社員IDが空のため設定できませんでした");
}else {
this.idEmployee = idEmployee;
public String getIdEmployee() {
return idEmployee;
} }
}
public String getNmEmployee() { public void setIdEmployee(String idEmployee) {
return nmEmployee; 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;
public void setNmEmployee(String nmEmployee) { }
if(nmEmployee == null || nmEmployee.strip().isEmpty()) { this.idEmployee = idEmployee;
System.out.println("社員名が空のため設定できませんでした");
}else {
this.nmEmployee = nmEmployee;
} }
}
public String getKnEmployee() { public String getNmEmployee() {
return knEmployee; return nmEmployee;
} }
public void setKnEmployee(String knEmployee) {
this.knEmployee = knEmployee;
}
public String getMailAddress() { public void setNmEmployee(String nmEmployee) {
return mailAddress; 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 void setMailAddress(String mailAddress) { public String getKnEmployee() {
this.mailAddress = mailAddress; return knEmployee;
} }
public String getPassword() { public void setKnEmployee(String knEmployee) {
return password; this.knEmployee = knEmployee;
} }
public void setPassword(String password) { public String getMailAddress() {
this.password = password; return mailAddress;
} }
public String getIdDepartment() { public void setMailAddress(String mailAddress) {
return idDepartment; this.mailAddress = mailAddress;
} }
public void setIdDepartment(String idDepartment) { public String getPassword() {
this.idDepartment = idDepartment; return password;
} }
private static int empCount = 0; public void setPassword(String password) {
//引数なしコンストラクタ this.password = password;
public EmployeeData() { }
empCount++;
}
//引数をもつコンストラクタ
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++;
}
//メソッド
@Override
public String toString() {
return(this.getIdEmployee() + "\t" + this.getNmEmployee() + "\t" + this.getKnEmployee() + "\t" +
this.getMailAddress() + "\t" + this.getPassword() + "\t" + this.getIdDepartment());
}
public boolean isMatchId(String id) {
return this.idEmployee.equals(id);
}
static int getEmpCount() {
return empCount;
}
@Override public String getIdDepartment() {
public String toCSV() {
return (this.getIdEmployee() + "," + this.getNmEmployee() + "," + this.getKnEmployee() + "," +
this.getMailAddress() + "," + this.getPassword() + "," + this.getIdDepartment());
}
public String getPrimaryKeyValue() { return idDepartment;
return this.idEmployee; }
}
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;
}
} }

56
src/main/java/Item.java Normal file
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@@ -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)";
}
}

73
src/main/java/Main.java Normal file
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@@ -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());
}
}

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@@ -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;
}