3日目の追加段階以外完了

.classpath

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+<?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

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+/build/

.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>em-oop</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<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>

.settings/org.eclipse.jdt.core.prefs

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+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=21
+org.eclipse.jdt.core.compiler.compliance=21
+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

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

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

src/main/java/BaseData.java

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+
+public abstract class BaseData {
+	public abstract String toString();
+	public abstract String toCSV();
+	public abstract String getPrimaryKeyValue();
+	
+}

src/main/java/CUI_20261014.java

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+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");
+		}
+	}
+	}
+}

src/main/java/DepartmentData.java

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+
+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();
+	}
+}

src/main/java/EmployeeData.java

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+
+public class EmployeeData extends BaseData{
+	private String idEmployee;
+	private String nmEmployee;
+	private String knEmployee;
+	private String mailAddress;
+	private String password;
+	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()) {
+			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 getNmEmployee() {
+		return nmEmployee;
+	}
+
+	public void setNmEmployee(String nmEmployee) {
+		if(nmEmployee == null || nmEmployee.strip().isEmpty()) {
+			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() {
+		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;
+	}
+
+	private static int empCount = 0;
+	//引数なしコンストラクタ
+	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 toCSV() {
+		return (this.getIdEmployee() + "," + this.getNmEmployee() + "," + this.getKnEmployee() + "," + 
+				this.getMailAddress() + "," + this.getPassword() + "," + this.getIdDepartment());
+	}
+	
+	public String getPrimaryKeyValue() {
+		return this.idEmployee;
+	}
+	
+	
+}