3日目_4段階

q5の1~3まで終了

em-oop/src/BaseData.java

@@ -0,0 +1,8 @@
+
+public abstract class BaseData { //”abstract”classと宣言。
+	
+	public abstract String toString();            //以下3つの抽象メソッドを宣言　中身無し
+	public abstract String toCSV();
+	public abstract String getPrimaryKeyValue();
+
+}

em-oop/src/BasicCheck1.java

@@ -3,24 +3,23 @@ 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 book = new Book();
 //		book.title = "吾輩は猫である";
-//		 book.author ="夏目漱石";
+//		book.author ="夏目漱石";
 //		book.price = 800;
-		Book book1 = new Book () ;
+		
+		Book book1 = new Book();
+		
 		System.out.println(book1.title);
 		System.out.println(book1.author);
 		System.out.println(book1.price);
 		
-		Book book2 = new Book("銀河鉄道の夜","宮沢賢治",500);
-
+		Book book2 = new Book("銀河鉄道の夜","宮沢賢治", 500);
 		System.out.println(book2.title);
 		System.out.println(book2.author);
 		System.out.println(book2.price);
 		
-		
-		
-
+	
 	}
 
 }

em-oop/src/BasicCheck2.java

@@ -1,18 +1,37 @@
-public class BasicCheck2 {
 
+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 student = new Student();
-//		student.studentId=1;
-//		student.name="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");
+		
+//		Student student = new Student(3,"a");
+		//Student型のstudentを宣言、インスタンスを代入する
+		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.studentId = 1;
+//		student1.name = "鈴木一郎";
+//        //studentIDに１，nameに鈴木一郎を代入
+//		
+//		student2.studentId = 2;
+//		student2.name ="田中花子";
+//		
+//		student3.studentId = 3;
+//		student3.name ="佐藤次郎";
+//		
+		
+		
+
+		//studentのprintProfileメソッドを呼び出す
 		student1.printProfile();
 		student2.printProfile();
 		student3.printProfile();
-		
-		System.out.println("現在の生徒数は："+Student.getStudentCount());
+		Student.getStudentCount();
 	}
-
+	
 }
+
+
+//
+//System.out.print("学籍番号"+student.studentId);
+//System.out.print("名前:" + student.name);

em-oop/src/BasicCheck3.java

@@ -1,56 +1,53 @@
 
 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];
+	
+	public static void main(String[] args){
+		
+		
+		
+		Item[] items = new Item[3];
 		
-//		items[0]= new Item();
-//		items[0].name = "ノート";
-//        items[0].price = 120;
-//        items[0].stock = 50;
-//
-//        items[1] = new Item();
-//        items[1].name = "消しゴム";
-//        items[1].price = 80;
-//        items[1].stock = 30;
-//
-//        items[2] = new Item();
-//        items[2].name = "鉛筆";
-//        items[2].price = 60;
-//        items[2].stock = 100;
 		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);
-        
-//        Item[] items = {
-//        	    new Item("ノート", 120, 50),
-//        	    new Item("消しゴム", 80, 30),       //this is also fine but the question is make items[i].setName(...),so we should be change
-//        	    new Item("鉛筆", 60, 100)
-//        	};
-       
-
-        for (int i = 0; i < items.length; i++) {
-            items[i].sell(5);
-            System.out.println(items[i]);
-        }
+		items[0].setName("ノート");
+		items[0].setPrice(80);
+		items[0].setStock(50);
+		
+		items[1] = new Item();
+		items[1].setName("ノート");
+		items[1].setPrice(120);
+		items[1].setStock(30);
+		
+		items[2] = new Item();
+		items[2].setName("ノート");
+		items[2].setPrice(60);
+		items[2].setStock(100);
+		
+		
+		
+		
+		
+		
+		
+		for(int i = 0; i < items.length; i++ )
+		{
+			items[i].sell(5);
+	    }
+		
+		System.out.println("在庫");
+		for(int i = 0; i < items.length; i ++) {
+			//items[i]をprintlnに渡すとitemクラスのtoStringが自動で呼ばれる
+			System.out.println(items[i]);
+			
+//			System.out.println("商品名" + items[i].name+ "価格" + items[i].price +"在庫" + items[i].stock);
+//			System.out.println("価格" + items[i].price);
+//			System.out.println("在庫" + items[i].stock);
+			
+			
+		}
+		
+		
+//		Item 0 = new Item("ノート", 120, 50);
 		
-
 	}
 
 }

em-oop/src/Book.java

@@ -1,20 +1,24 @@
 
 public class Book {
-	String title;
-	String author;
-	int price;
-	public Book () {
-		this.title="タイトル未設定";
+	public String title;
+	public String author;
+	public int price;
+	
+	//引数なしコンストラクタ
+	public Book() {
+		this.title = "タイトル未設定";
 		this.author = "著者未設定";
-		this.price=500;
-	}
-	
-	public Book (String title, String author, int price) {
+		this.price = 0;
 		
-	this.title= title;
-	this.author= author;
-	this.price= price;
-	
+//		System.out.println("コンストラクタが呼び出されました");
+		
+	}
+	//引数ありコンストラクタ
+	public Book(String title, String author, int price) {
+//		System.out.println("引数なしのコンストラクタが呼び出されました");
+		this.title = title;
+		this.author = author;
+		this.price = price;
 	}
 
 }

em-oop/src/Circle.java

@@ -0,0 +1,21 @@
+
+public class Circle extends Shape { //shapeクラスを継承する
+	private double radius;  //radius: 半径  フィールドradius (double型、private)
+           
+	
+	
+	public Circle(double radius) { //コンストラクタpub 引数dou/raを受け取る
+		super("円");               //"円"呼び出し 文字列
+		this.radius = radius;      //radiusフィールドにも引数の値を代入する。
+		
+	}
+	public  double area() {                     //Overrideは 子クラスで！
+		return  Math.PI * radius * radius;
+	}
+    public void showInfo(){
+    	super.showInfo();
+		System.out.println("(半径:" + this.radius + ")");
+	}
+	
+
+}

em-oop/src/Day3Check1.java

@@ -0,0 +1,14 @@
+
+public class Day3Check1 {
+
+	public static void main(String[] args) {
+	
+		Circle circle = new Circle(2);
+		circle.area();
+		circle.showInfo();
+		
+//		Rectangle rectangle = new Rectangle(2);
+//		rectangle.area();
+	
+	}
+}

em-oop/src/Day3Check2.java

@@ -0,0 +1,22 @@
+
+public class Day3Check2 {
+	public static void main(String[] args) {
+		
+		//Rect-クラスをもとにrect-のインスタンスつくる
+		//3,4をRectangleのコンストラクタに渡す
+		Rectangle rectangle = new Rectangle(3, 4);
+		
+		//Rect-はShapeを継承しているため親クラスのshowInfoメソッドを使える
+		rectangle.showInfo();
+		
+		
+		//JaGrクラスをもとにインスタンスをつくる
+		//変数の型はGreetingインタフェース型にしている
+		Greeting greeting = new JapaneseGreeting();
+		
+		//greeetingのhelloメソッドよびだす
+		//実際に入っているインスタンスはJaGrなのでJaGrで作ったhello()が実行される
+		System.out.println(greeting.hello());
+	}
+
+}

em-oop/src/Day3Check3.java

@@ -0,0 +1,15 @@
+
+public class Day3Check3 {
+	public static void main(String[] args) {
+		
+		//Shape型の変数にCircleのインスタンスを代入
+		Shape shape1 = new Circle(2);
+		//円の情報を表示
+		shape1.showInfo();
+		//Shape型の変数にRectangleのインスタンスを代入
+		Shape shape2 = new Rectangle(3, 4);
+		//四角形の情報を表示
+		shape2.showInfo();
+		
+	}
+}

em-oop/src/EmployeeData.java

@@ -1,5 +1,6 @@
 
-public class EmployeeData {
+public class EmployeeData extends BaseData {	
+
 	private String idEmployee;
 	private String nmEmployee;
 	private String knEmployee;
@@ -7,102 +8,151 @@ public class EmployeeData {
 	private String password;
 	private String idDepartment;
 
+	//staticをつけたフィールドはクラス変数：全てのインスタンスで共有される変数
+	public static int empCount = 0;
+
+	//	boolean isMatchID = isMatchId(idEmployee);//IdEmployeeが一致するか判断
+	
+	@Override
+	public String toCSV(){
+		return getIdEmployee() + "," + getNmEmployee() + "," + getKnEmployee() + "," 
+	+ getMailAddress() +"," + getPassword() +"," + getIdDepartment() + ","; //フィールドの値をゲッターを使ってカンマ区切り、returnする。
+		
+	}
+	
+	@Override
+	public String getPrimaryKeyValue() {
+		return idEmployee;
+		
+	}
+	
+	//idEmployee「ID」を取得するgetter
 	public String getIdEmployee() {
 		return idEmployee;
 	}
 
+	//idEmployee「ID」を設定するsetter
 	public void setIdEmployee(String idEmployee) {
-		// null ဖြစ်နေသလား (သို့မဟုတ်) ရှေ့နောက် Space များကို ဖယ်ရှားလိုက်လျှင် စာသားအလွတ် ဖြစ်သွားသလား စစ်ဆေးခြင်း
-		if (idEmployee == null || idEmployee.trim().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;
+		if(idEmployee == null || 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;
 	}
 
+	//nmEmployee「名前」を取得するgetter
 	public String getNmEmployee() {
 		return nmEmployee;
 	}
 
+	//nmEmployee「名前」を設定するsetter
 	public void setNmEmployee(String nmEmployee) {
-		// null ဖြစ်နေသလား (သို့မဟုတ်) ရှေ့နောက် Space များကို ဖယ်ရှားလိုက်လျှင် စာသားအလွတ် ဖြစ်သွားသလား စစ်ဆေးခြင်း
+//		this.nmEmployee = nmEmployee.trim();
+		
 		if (nmEmployee == null || nmEmployee.trim().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;
+		return;
 		}
+		
+		this.nmEmployee = nmEmployee;
 	}
 
+	//getKnEmployee「カタカナの名前」を取得するgetter
 	public String getKnEmployee() {
 		return knEmployee;
 	}
 
+	//getKnEmployee「カタカナの名前」を設定するsetter
 	public void setKnEmployee(String knEmployee) {
 		this.knEmployee = knEmployee;
 	}
 
+	//メールアドレスを取得するgetter
 	public String getMailAddress() {
 		return mailAddress;
 	}
 
+	//メールアドレスを設定するsetter
 	public void setMailAddress(String mailAddress) {
 		this.mailAddress = mailAddress;
 	}
 
+	//パスワードを取得するgetter
 	public String getPassword() {
 		return password;
 	}
 
+	//パスワードを取得するsetter
 	public void setPassword(String password) {
 		this.password = password;
 	}
 
+	//IdDepartmentを設定するgetter
 	public String getIdDepartment() {
 		return idDepartment;
 	}
 
+	//IdDepartmentを取得するsetter
 	public void setIdDepartment(String idDepartment) {
 		this.idDepartment = idDepartment;
 	}
 
-	private static int empCount = 0;
+	//メソッド名:isMatchId  引数：String id   戻り値：boolean　ID一致ならtrue,違えばfalse
+	public boolean isMatchId(String id) {
+		return this.idEmployee.equals(id);
 
-	public void showInfo() {
-		System.out.println(this.idEmployee + "\t" + this.nmEmployee + this.knEmployee + this.mailAddress + this.password
-				+ this.idDepartment);
-		//		System.out.println("社員ID: " + this.getIdEmployee());
-		//        System.out.println("社員氏名: " + this.getNmEmployee());
-		//        System.out.println("フリガナ: " + this.getKnEmployee());
-		//        System.out.println("メールアドレス: " + this.getMailAddress());
-		//        System.out.println("パスワード: " + this.getPassword());
-		//        System.out.println("部署ID: " + this.getIdDepartment());
 	}
 
+	public EmployeeData(String idEmployee, String nmEmployee,
+			String knEmployee, String mailAddress, String password, String idDepartment) {
+		this.setIdEmployee(idEmployee);  //2d 段階9
+//		this.idEmployee = idEmployee;
+		this.setNmEmployee(nmEmployee);
+//		this.nmEmployee = nmEmployee;
+		this.setKnEmployee(knEmployee);
+//		this.knEmployee = knEmployee;
+		this.setMailAddress(mailAddress);
+//		this.mailAddress = mailAddress;
+		this.setPassword(password);
+//		this.password = password;
+		this.setIdEmployee(idEmployee);
+//		this.idDepartment = idDepartment;
+		empCount++;
+	}
+
+	//	public boolean isMatchId(String id) {
+	////		if(idEmployee equals )
+	//		{
+	//			
+	//		}
+	//		
+	//	}
+
+	//	public String Employee(String idEmployee) {
+	//		this.idEmployee= idEmployee;
+	//	}
+
 	public EmployeeData() {
 		empCount++;
-
+		// TODO 自動生成されたコンストラクター・スタブ
 	}
 
-	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++;
-
-	}
-
-	public static int getEmpCount() {
-
+	public static int getEmpCount() { //empCountの値を返せるようにする
 		return empCount;
+
 	}
 
-	//	boolean isMatchId(String id) {                   //stept 7
-	//		return this.idEmployee.equals(id);
+	//	 void showinfo() { //showinfo->toStringにメソッド名変更 + アクセス修飾子publicつける
+	//		//		this.idEmployee = idEmployee;
+	//		System.out.println(this.idEmployee + "\t" + this.nmEmployee + "\t" + this.knEmployee + "\t" + this.mailAddress
+	//				+ "\t" + this.password + "\t" + this.idDepartment);
 	//
 	//	}
+	@Override
+	public String toString() {
+		return (this.idEmployee + "\t" + this.nmEmployee + "\t" + this.knEmployee + "\t" + this.mailAddress
+				+ "\t" + this.password + "\t" + this.idDepartment);
+	}
+
 }

em-oop/src/Greeting.java

@@ -0,0 +1,4 @@
+
+public interface Greeting {
+		String hello();
+}

em-oop/src/Item.java

@@ -1,32 +1,31 @@
 
 public class Item {
+	//フィールドを宣言・外から触れないようにprivate
 	private String name;
 	private int price;
 	private int stock;
 
-//	public Item(String name, int price, int stock) {
-//		this.name = name;
-//		this.price = price;
-//		this.stock = stock;
-//
-//	}
-
+	//nameを取得するgetter
 	public String getName() {
 		return name;
 	}
 
-	public void setName(String name) {
+	//nameを設定するsetter
+	public void setName(String name) {       //item="ノート"はもう使えない。item[0].setName("ノート")にしている
 		this.name = name;
 	}
 
+	//priceを取得するgetter
 	public int getPrice() {
 		return price;
 	}
 
+	//priceを設定するsetter
 	public void setPrice(int price) {
 		this.price = price;
 	}
 
+	//stockを取得するgetter
 	public int getStock() {
 		return stock;
 	}
@@ -35,14 +34,21 @@ public class Item {
 		this.stock = stock;
 	}
 
+	//	Item(String name, int price, int stock){
+	//		this.name = name;
+	//		this.price = price;
+	//		this.stock = stock;
+	//	}
+
+	//売れた数を在庫から引く
 	public void sell(int amount) {
-		this.stock = this.stock - amount;
-
+		this.setStock(this.getStock() - amount);
 	}
-
+	
+	//Itemの情報を文字列として返す
 	@Override
 	public String toString() {
-		return getName() + " " + getPrice() + "円 (残り" + getStock() + "個)";
+		return getName() + "" + getPrice() + "円(残り" + getStock() + "個)";
 	}
 
 }

em-oop/src/JapaneseGreeting.java

@@ -0,0 +1,13 @@
+
+//JaGrクラスを作る、implements GrによってGreetingインターフェースを実装する
+public class JapaneseGreeting implements Greeting {
+	
+	//Grインターフェースで定義されているhello()メソッドをこのクラスに実装する
+	@Override
+	public String hello() {
+		//hello()が呼び出されたらString型の文字列を呼び出し元に返す
+		return "こんにちは";
+		
+	}
+
+}

em-oop/src/Main.java

@@ -1,147 +1,196 @@
 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[] employees = new EmployeeData[5];
-		EmployeeData employee1 = new EmployeeData();
-		employee1.setIdEmployee("10000");
-		employee1.setNmEmployee("山田太郎");
-		employee1.setKnEmployee("ヤマダタツヤ");
-		employee1.setMailAddress("yamada@hoge.jp");
-		employee1.setPassword("aaa");
-		employee1.setIdDepartment("10");
-		//1st person
-		//EmployeeData employee = new EmployeeData("10000", "山田龍也", "ヤマダタツヤ", "yamada@hoge.jp", "aaa", "10");
+		EmployeeData employee = new EmployeeData();
+//		String idEmployee = "10000";
+//		String nmEmployee = "山田龍也";
+//		String knEmployee = "ヤマダタツヤ";
+//		String mailAddress = "yamada@hoge.jp";
+//		String password = "aaa";
+//		String idDepartment = "10";
+
+//				EmployeeData[] employees = new EmployeeData[5];
+
+		//			employees[1] = new Employee;
+
 		//		employees[0] = new EmployeeData();
-		//		employees[0].idEmployee = "10000";
+
+//				employees[0] = new EmployeeData("10000", "山田龍也", "ヤマダタツヤ", "yamada@hoge.jp", "aaa", "10");
+						employee.setIdEmployee("10000");                        //private　後　に使用する！！
+						employee.setNmEmployee("山田龍也");  //段階　8　確認用
+						employee.setKnEmployee("ヤマダタツヤ");
+						employee.setMailAddress("yamada@hoge.jp");
+						employee.setPassword("aaa");
+						employee.setIdDepartment("10");
+
+		//		employees[0].idEmployee = "1000"; //段階5の分に　s[0]　足した   //privete　前　に使用！！！！！！
 		//		employees[0].nmEmployee = "山田龍也";
 		//		employees[0].knEmployee = "ヤマダタツヤ";
 		//		employees[0].mailAddress = "yamada@hoge.jp";
 		//		employees[0].password = "aaa";
 		//		employees[0].idDepartment = "10";
-		EmployeeData employee2 = new EmployeeData();
-		employee2.setIdEmployee("10001");
-		employee2.setNmEmployee("高橋準");
-		employee2.setKnEmployee("タカハシジュン");
-		employee2.setMailAddress("jtaka@hoge.jp");
-		employee2.setPassword("bbb");
-		employee2.setIdDepartment("10");
-		//		//2nd person
+
+		//		
 		//		employees[1] = new EmployeeData();
+		//		employees[1] = new EmployeeData("10000", "高橋準", "タカハシジュン", "jtaka@hoge.jp", "bbb", "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[1].idEmployee = "10001";
 		//		employees[1].nmEmployee = "高橋準";
 		//		employees[1].knEmployee = "タカハシジュン";
 		//		employees[1].mailAddress = "jtaka@hoge.jp";
 		//		employees[1].password = "bbb";
 		//		employees[1].idDepartment = "10";
-		//		//3rd person
-		EmployeeData employee3 = new EmployeeData();
-		employee3.setIdEmployee("10002");
-		employee3.setNmEmployee("麻枝史明");
-		employee3.setKnEmployee("マエダフミアキ");
-		employee3.setMailAddress("fmak@hoge.jp");
-		employee3.setPassword("ccc");
-		employee3.setIdDepartment("11");
-		//		employees[2] = new EmployeeData();
+
+		//			
+		//		employees[2] = new EmployeeData();//各employee[]をコメントアウトしていたからエラー！　employeeに何の箱を入れるかを表記
+		//		employees[2] = new EmployeeData("10002", "麻枝文明", "マエダフミアキ", "fmak@hoge.jp", "ccc", "11");
+
+		//		employees[2].setIdEmployee("10002");
+		//		employees[2].setNmEmployee("麻枝文明");
+		//		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[2].idEmployee = "10002";
-		//		employees[2].nmEmployee = "麻枝史明";
+		//		employees[2].nmEmployee = "麻枝文明";
 		//		employees[2].knEmployee = "マエダフミアキ";
 		//		employees[2].mailAddress = "fmak@hoge.jp";
 		//		employees[2].password = "ccc";
 		//		employees[2].idDepartment = "11";
-		EmployeeData employee4 = new EmployeeData();
-		employee4.setIdEmployee("10003");
-		employee4.setNmEmployee("丸戸章介");
-		employee4.setKnEmployee("マルトショウスケ");
-		employee4.setMailAddress("marusyo@hoge.jp");
-		employee4.setPassword("ddd");
-		employee4.setIdDepartment("12");
-		//		//4th person
+		//		//			
 		//		employees[3] = new EmployeeData();
+		//		employees[3] = new EmployeeData("10003", "丸戸章介", "マルトショウスケ", "marusyo@hoge.jp", "ddd", "12");
+
+		//		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[3].idEmployee = "10003";
 		//		employees[3].nmEmployee = "丸戸章介";
 		//		employees[3].knEmployee = "マルトショウスケ";
 		//		employees[3].mailAddress = "marusyo@hoge.jp";
 		//		employees[3].password = "ddd";
 		//		employees[3].idDepartment = "12";
-		EmployeeData employee5 = new EmployeeData();
-		employee5.setIdEmployee("10004");
-		employee5.setNmEmployee("三宅武");
-		employee5.setKnEmployee("ミヤケタケシ");
-		employee5.setMailAddress("miya@hoge.jp");
-		employee5.setPassword("eee");
-		employee5.setIdDepartment("13");
-		//		//5th pe5rson
+		//		//			
 		//		employees[4] = new EmployeeData();
+		//		employees[4] = new EmployeeData("10004", "三宅武", "ミヤケタケシ", "miya@hoge.jp", "eee", "13");
+
+		//		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");
+		//		
 		//		employees[4].idEmployee = "10004";
 		//		employees[4].nmEmployee = "三宅武";
 		//		employees[4].knEmployee = "ミヤケタケシ";
 		//		employees[4].mailAddress = "miya@hoge.jp";
 		//		employees[4].password = "eee";
 		//		employees[4].idDepartment = "13";
-		// stept6
-		//        for (int i = 0; i < employees.length; i++) {
-		//            employees[i].showInfo();
-		//        }
-		employee1.showInfo();
-		employee2.showInfo();
-		employee3.showInfo();
-		employee4.showInfo();
-		employee5.showInfo();
 
-		//stept 7
-		//System.out.println("10002 を検索します");
-		//		System.out.println(employees[2].isMatchId("10002"));
-		//
-		//		System.out.println("99999 を検索します");
-		//		System.out.println(employees[2].isMatchId("99999"));
+		//employees[5]= new EmployeeData("10005", , "タカヤマアカネ", "takayamaa@hoge.jp", "taka", "14");
 
-		//stept 5
-		// employee.showInfo();
-		// stept6
-
-		//        System.out.println(employee.idEmployee);
-		//        System.out.println(employee.nmEmployee);
-		//        System.out.println(employee.knEmployee);
-		//        System.out.println(employee.mailAddress);
-		//        System.out.println(employee.password);
-		//        System.out.println(employee.idDepartment);
-		//		Scanner scan = new Scanner(System.in);
-		//		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）");
+		//		Scanner scanner = new Scanner(System.in); //8段階目！スキャナー作成
+		//		while (true) { //while(true)- 9段階目課題
+		//			System.out.println("検索したい社員IDを入力してください"); //検索するID入力
+		//			//キーボードから入力されたIDをsearchIdに入れている
+		//			String searchId = scanner.nextLine();
 		//
-		//			//stept 8
-		//			
-		//			//System.out.println("検索したい社員IDを入力してください");
-		//			String serchId = scan.nextLine();
-		//
-		//			if (serchId.equals("0")) {    //stept 9
+		//			if (searchId.equals("0")) {  //0が入力された場合はシステム終了
 		//				System.out.println("システムを終了します");
+		//				break; //while文を終了　システム終了
+		//			}
+		//			//社員が見つかったかを判定する変数
+		//			boolean found = false;
+		//			//employee配列を順番に確認
+		//			for (int i = 0; i < employees.length; i++) {
+		//				//employeesのi番目のIDと、入力された社員IDは一致するか確認
+		//				if (employees[i].isMatchId(searchId)) {
+		//					System.out.println(employees[i]); //2d6段階：showinfoから変更
+		////					employees[i].showinfo(); //一致した社員の情報を表示
+		//					found = true; //見つかったことを記録
+		//					break; //検索終了　for文を終了
+		//				}
+		//			}
+		//
+		//			if (!found) { //社員が見つからなかったら
+		//				System.out.println("該当する社員が見つかりませんでした。");
+		//			}
+		//		}
+		//		//Scannerを閉じる
+		//		scanner.close();
+
+		//		        System.out.println(employees[0]);
+		//		        System.out.println(employees[1]);
+		//		        System.out.println(employees[2]);
+		//		        System.out.println(employees[3]);
+		//		        System.out.println(employees[4]);
+		//		        System.out.println(employees[5]);
+		//5人分のインスタンスをすべて生成し終えた後にクラス名から呼び出し、件数表示
+//		System.out.println("現在の社員データ件数：" + EmployeeData.empCount + "件");
+
+		//				employees[0].showinfo();
+		//				employees[1].showinfo();           
+		//				employees[2].showinfo();
+		//				employees[3].showinfo();
+		//				employees[4].showinfo();
+		//		
+		//		String searchId = "10002";        //７段階目！※コメントアウト中
+		//		boolean found = false;
+		//		
+		//		System.out.println(searchId + "を検索します");
+		//
+		//		for(int i = 0; i < employees.length; i++) {
+		//			if(employees[i].isMatchId(searchId)) {
+		//				found = true;
 		//				break;
 		//			}
-
-		//			boolean found = false; //←if it haven't this boolean , they can't be decided true or false, so we should be make boolan name (found)
-		for (int i = 0; i < employees.length; i++) {
-
-		}
-		System.out.println("現在社員データ数：" + EmployeeData.getEmpCount() + "件");
-		//				if (employees[i].isMatchId(serchId)) {
-		//					employees[i].showInfo();
-		//					found = true;
-		//					break;
-		//				}
+		//		}
+		//		
+		//		System.out.println(found);
 		//
+		//		searchId = "99999";
+		//		found = false;
+		//		
+		//		System.out.println(searchId + "を検索します");
+		//
+		//		for(int i = 0; i < employees.length; i++) {
+		//			if(employees[i].isMatchId(searchId)) {
+		//				found = true;
+		//				break;
 		//			}
-		//			if (!found) {
-		//				System.out.println("該当する社員が見つかりませんでした");
-		//			}
-		System.out.println("--- 空文字のテスト ---");
-		employee1.setNmEmployee(""); // စာသားအလွတ်
-		employee1.setIdEmployee("   "); // Space သီးသန့်
-		employee1.setNmEmployee(null); // null တန်ဖိုး
+		//		}
+
+		//		System.out.println(found);      //7段階目の確認用コード
+
+		//		employees[0].showinfo();
+		//		employees[1].showinfo();
+		//		employees[2].showinfo();
+		//		employees[3].showinfo();
+		//		employees[4].showinfo();
+//		System.out.println(employee +"," +idEmployee +"," + nmEmployee +"," + knEmployee +"," + mailAddress +"," + password + "," +idDepartment);
+		System.out.println(employee.toCSV());
+		System.out.println(employee.getPrimaryKeyValue());
+
+//		System.out.println(employee);
+//		System.out.println(idEmployee);
+//		System.out.println(nmEmployee);
+//		System.out.println(knEmployee);
+//		System.out.println(mailAddress);
+//		System.out.println(password);
+//		System.out.println(idDepartment);
 
 	}
 
-	//scan.close();
-
 }

em-oop/src/Rectangle.java

@@ -0,0 +1,22 @@
+
+public class Rectangle extends Shape {
+	private double width; 
+	private double height; {
+		
+	}
+	
+	public Rectangle(double width, double height) {
+		super("四角形");
+		this.width = width;
+		this.height = height;
+	}
+	
+	public double area() {
+		return width * height;
+	}
+//	public void showInfo(){
+//    	super.showInfo();
+//		System.out.println("(半径:" + this.area + ")");
+//	}
+
+}

em-oop/src/Shape.java

@@ -0,0 +1,36 @@
+
+public abstract class Shape {
+	
+	private String name; //フィールドname ・privateにしなきゃいけない
+//	public double area;
+//	public int radius;
+
+	
+	public Shape() {		
+	}
+	
+	public Shape(String name) {
+		this.name = name; //Circleが"円"を呼び出すための文字列をいれるところ
+	}
+	
+	public  abstract double area();{  //メソッドarea 引数なし・戻り値double 中身return0.0;
+//		return 0.0;	
+	}
+	
+//	@Override
+
+	
+	public void showInfo(){ //メソッドshowinfo 引数戻り値なし・中身はsyso
+		System.out.println(this.name + "の面積は" + this.area() + "です");
+//	    System.out.println("(半径:" + this.radius + ")");
+	    System.out.println("四角形" + "の面積は" + this.area() + "です。");
+	}
+	
+//	@Override
+//	public void showInfo(){
+//		
+//	}
+	
+	
+
+}

em-oop/src/Student.java

@@ -1,24 +1,53 @@
 
-public class Student {
+public class Student {//クラス新規作成
 
-	private int studentId;
-	private String name;
+	int studentId; //フィールドを宣言 int
+	String name; //String
+	static int studentCount = 0;   //生徒が何人作られたかを数えるための、クラス全体で共有するフィールド
 
-	public Student(int studentId, String name) {
-		this.studentId = studentId;
+	void printProfile() {//メソッドを宣言・以下の内容をsysoで出力
+		
+//		for(int i = 0; i <= 3; i++) {
+			System.out.println("学籍番号:" + this.studentId + " 名前:" + this.name);
+//		}
+		
+//		System.out.println("学籍番号:" + this.studentId + " 名前:" + this.name);
+	}
+	
+	
+	public Student(int studentId, String name) { //コンストラクタを追加
+		this.studentId = studentId;              //渡された引数をそれぞれ対応するフィールドに代入する
 		this.name = name;
 		studentCount++;
-
 	}
-
-	private static int studentCount = 0;
 	
+
 	public static int getStudentCount() {
+//		studentCount++;
 		return studentCount;
 	}
-
-	void printProfile() {
-		System.out.println("学籍番号:" + this.studentId + " 名前:" + this.name);
-	}
+	
 
 }
+
+
+
+
+
+
+
+
+
+
+
+
+
+//	public static void main(String[] args) {
+//		Student s = new Student(1,"鈴木一郎");
+//		s.printProfile();
+
+//		
+
+//	
+//		public Student(int studentId, String name) {
+//			student.studentId = 1;

em-oop/src/day3Keisho/BaseData.java

@@ -1,10 +0,0 @@
-package day3Keisho;
-
-public abstract class BaseData {
-	
-	public abstract String toString();
-	public abstract String toCSV();
-	public abstract String getPrimaryKeyValue();
-	
-
-}

em-oop/src/day3Keisho/Circle.java

@@ -1,22 +0,0 @@
-package day3Keisho;
-
-public class Circle extends Shape {
-	private double radius;
-	
-	public Circle (double radius) {
-		super("円");
-		this.radius= radius;
-	}
-	@Override
-	public double area() {
-		return Math.PI * radius * radius;
-		
-	}
-	@Override
-	public void showInfo() {
-		super.showInfo();
-		System.out.println("(半径:" + this.radius + ")");
-		
-	}
-
-}

em-oop/src/day3Keisho/Day3Check1.java

@@ -1,13 +0,0 @@
-package day3Keisho;
-
-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(2.0);
-		
-		circle.showInfo();
-
-	}
-
-}

em-oop/src/day3Keisho/Day3Check2.java

@@ -1,15 +0,0 @@
-package day3Keisho;
-
-public class Day3Check2 {
-
-	public static void main(String[] args) {
-		// TODO 自動生成されたメソッド・スタブ
-		Rectangle rect = new Rectangle(3.0, 4.0);
-		rect.showInfo();
-		
-		Greeting greeting = new JapaneseGreeting();
-		
-		System.out.println(greeting.hello());
-		
-	}
-}

em-oop/src/day3Keisho/Day3Check3.java

@@ -1,14 +0,0 @@
-package day3Keisho;
-
-public class Day3Check3 {
-
-	public static void main(String[] args) {
-		// TODO 自動生成されたメソッド・スタブ
-		Shape shape1 = new Circle(2);
-		shape1.showInfo();
-		Shape shape2 = new Rectangle(3, 4);
-		shape2.showInfo();
-
-	}
-
-}

em-oop/src/day3Keisho/DepartmentData.java

@@ -1,41 +0,0 @@
-package day3Keisho;
-
-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() {
-		// TODO 自動生成されたメソッド・スタブ
-		return getIdDepartment() + "\t" + getNmDepartment();
-	}
-
-	@Override
-	public String toCSV() {
-		// TODO 自動生成されたメソッド・スタブ
-		return getIdDepartment() + "," + getNmDepartment();
-	}
-
-	@Override
-	public String getPrimaryKeyValue() {
-		// TODO 自動生成されたメソッド・スタブ
-		return getIdDepartment();
-	}
-
-}

em-oop/src/day3Keisho/EmployeeData.java

@@ -1,99 +0,0 @@
-package day3Keisho;
-
-public class EmployeeData extends BaseData {
-	private String idEmployee;
-	private String nmEmployee;
-	private String knEmployee;
-	private String mailAddress;
-	private String password;
-	private String idDepartment;
-	
-	
-	public EmployeeData(String idEmployee, String nmEmployee, String knEmployee, String mailAddress, String password, String idDepartment) {
-        this.idEmployee = idEmployee;
-        this.nmEmployee = nmEmployee;
-        this.knEmployee = knEmployee;
-        this.mailAddress = mailAddress;
-        this.password = password;
-        this.idDepartment = idDepartment;
-    }
-	public EmployeeData() {
-    }
-	
-    public String getIdEmployee(String idEmployee) {
-		return idEmployee;
-	}
-
-	public void setIdEmployee(String idEmployee) {
-		// null ဖြစ်နေသလား (သို့မဟုတ်) ရှေ့နောက် Space များကို ဖယ်ရှားလိုက်လျှင် စာသားအလွတ် ဖြစ်သွားသလား စစ်ဆေးခြင်း
-		if (idEmployee == null || idEmployee.trim().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) {
-		// null ဖြစ်နေသလား (သို့မဟုတ်) ရှေ့နောက် Space များကို ဖယ်ရှားလိုက်လျှင် စာသားအလွတ် ဖြစ်သွားသလား စစ်ဆေးခြင်း
-		if (nmEmployee == null || nmEmployee.trim().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;
-	}
-
-	@Override
-	public String toString() {
-		return idEmployee + "\t" + nmEmployee + "\t" + knEmployee + "\t" + mailAddress + "\t" + password + "\t" + idDepartment;
-    }
-		
-	
-	@Override
-    public String toCSV() {
-        return idEmployee + "," + nmEmployee + "," + knEmployee + "," + mailAddress + "," + password + "," + idDepartment;
-    }
-
-    @Override
-    public String getPrimaryKeyValue() {
-        return idEmployee;
-  
-    }
-
-}

em-oop/src/day3Keisho/Greeting.java

@@ -1,6 +0,0 @@
-package day3Keisho;
-
-public interface Greeting {
-	String hello();
-
-}

em-oop/src/day3Keisho/JapaneseGreeting.java

@@ -1,11 +0,0 @@
-package day3Keisho;
-
-public class JapaneseGreeting implements Greeting {
-	@Override
-	public String hello() {
-		return "こんにちは";
-	}
-	
-	
-
-}

em-oop/src/day3Keisho/Main.java

@@ -1,126 +0,0 @@
-package day3Keisho;
-
-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
-		//EmployeeData[] employees = new EmployeeData[5];
-		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");
-
-		System.out.println(employees[0].toCSV());
-		System.out.println(employees[0].getPrimaryKeyValue());
-
-		System.out.println("10002 を検索します");
-		System.out.println(employees[2].getPrimaryKeyValue().equals("10002"));
-
-		BaseData[] allData = new BaseData[11];
-
-		for (int i = 0; i < employees.length; i++) {
-			allData[i] = employees[i];
-		}
-
-		DepartmentData dept1 = new DepartmentData();
-		dept1.setIdDepartment("10");
-		dept1.setNmDepartment("役員");
-		allData[5] = dept1;
-
-		DepartmentData dept2 = new DepartmentData();
-		dept2.setIdDepartment("11");
-		dept2.setNmDepartment("人事・総務部");
-		allData[6] = dept2;
-
-		DepartmentData dept3 = new DepartmentData();
-		dept3.setIdDepartment("12");
-		dept3.setNmDepartment("経理部");
-		allData[7] = dept3;
-
-		DepartmentData dept4 = new DepartmentData();
-		dept4.setIdDepartment("13");
-		dept4.setNmDepartment("システム開発事業部");
-		allData[8] = dept4;
-
-		DepartmentData dept5 = new DepartmentData();
-		dept5.setIdDepartment("14");
-		dept5.setNmDepartment("教育事業部");
-		allData[9] = dept5;
-
-		DepartmentData dept6 = new DepartmentData();
-		dept6.setIdDepartment("15");
-		dept6.setNmDepartment("営業企画部");
-		allData[10] = dept6;
-
-		for (BaseData data : allData) {
-			System.out.println(data.toString());
-		}
-		//Stept 7
-		int employeeCount =0;
-		int departmentCount =0;
-		
-		for(BaseData data: allData) {
-			if(data instanceof EmployeeData) { //instanceof is looking for inside
-				employeeCount++;
-				
-			}else if(data instanceof DepartmentData) {
-				departmentCount++;
-				
-			}
-		}
-		System.out.println("社員データ:" + employeeCount + "件");
-		System.out.println("部署データ:" + departmentCount + "件");
-		
-	//Strpt 8
-		for (BaseData data : allData) {
-		    if (data instanceof EmployeeData) {
-		        // EmployeeData သို့ Cast လုပ်ခြင်း
-		        EmployeeData emp = (EmployeeData) data;
-		        System.out.println(emp.getMailAddress());
-		    }
-		}
-		// Stept 9
-		Scanner scanner = new Scanner(System.in);
-		System.out.print("検索したい部署名を入力してください: ");
-		String targetDepartmentName = scanner.nextLine();
-
-		String targetDepartmentId = null;
-
-		// ၁။ ဌာနနာမည်မှတစ်ဆင့် ဌာန ID (idDepartment) ကို ရှာခြင်း
-		for (BaseData data : allData) {
-		    if (data instanceof DepartmentData) {
-		        DepartmentData dept = (DepartmentData) data;
-		        if (targetDepartmentName.equals(dept.getNmDepartment())) {
-		            targetDepartmentId = dept.getIdDepartment();
-		            break;
-		        }
-		    }
-		}
-
-		// ၂။ ဌာန ID တူညီသည့် ဝန်ထမ်းများကို ရှာဖွေပြီး ထုတ်ပြခြင်း
-		if (targetDepartmentId != null) {
-		    boolean found = false;
-		    for (BaseData data : allData) {
-		        if (data instanceof EmployeeData) {
-		            EmployeeData emp = (EmployeeData) data;
-		            if (targetDepartmentId.equals(emp.getIdDepartment())) {
-		                System.out.println(emp.getNmEmployee() + "\t" + emp.getMailAddress());
-		                found = true;
-		            }
-		        }
-		    }
-		    if (!found) {
-		        System.out.println("その部署に所属する社員は見つかりませんでした");
-		    }
-		} else {
-		    System.out.println("該当する部署が見つかりませんでした");
-		}
-
-		scanner.close();
-	}
-}

em-oop/src/day3Keisho/Rectangle.java

@@ -1,21 +0,0 @@
-package day3Keisho;
-
-public class Rectangle extends Shape {
-	private double width;
-	private double height;
-	
-	
-	public Rectangle(double width,double height) {
-		super("四角形");
-		this.height=height;
-		this.width=width;
-	}
-
-	@Override
-	public double area() {
-		// TODO 自動生成されたメソッド・スタブ
-		//super.showInfo();
-		return width*height;
-	}
-
-}

em-oop/src/day3Keisho/Shape.java

@@ -1,22 +0,0 @@
-package day3Keisho;
-
-//public class Shape { //stept 1
-	
-	public abstract class Shape{ //stept 2
-	private String name;
-
-	public Shape(String name) {
-		this.name = name;
-	}
-
-	public abstract double area();  //stept 2
-//	public double area() { //stept 1
-//		return 0.0;
-//
-//	}
-
-	public void showInfo() {
-		System.out.println(this.name + "の面積は" + this.area() + "です");
-	}
-
-}