6段階目（DepartmentDataを作って、ポリモーフィズムの威力を実感しよう）

em-oop/src/BaseData.java

@@ -0,0 +1,7 @@
+public abstract class BaseData {
+	public abstract String toString();
+
+	public abstract String toCSV();
+
+	public abstract String getPrimaryKeyValue();
+}

em-oop/src/Circle.java

@@ -0,0 +1,22 @@
+
+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/Day3Check1.java

@@ -0,0 +1,8 @@
+
+public class Day3Check1 {
+
+	public static void main(String[] args) {
+		Circle circle = new Circle(2);
+		circle.showInfo();
+	}
+}

em-oop/src/Day3Check2.java

@@ -0,0 +1,14 @@
+
+public class Day3Check2 {
+
+	public static void main(String[] args) {
+		Rectangle rectangle = new Rectangle(3, 4);
+		rectangle.showInfo();
+		Greeting jpGreeting = new JapaneseGreeting();
+		System.out.println(jpGreeting.hello());
+		LoudGreeting jpShout = new JapaneseGreeting();
+		System.out.println(jpShout.shout());
+
+	}
+
+}

em-oop/src/Day3Check3.java

@@ -0,0 +1,11 @@
+
+public class Day3Check3 {
+	public static void main(String[] args) {
+		Shape shape1 = new Circle(2);
+		shape1.showInfo();
+
+		Shape shape2 = new Rectangle(3, 4);
+		shape2.showInfo();
+	}
+
+}

em-oop/src/DepartmentData.java

@@ -0,0 +1,39 @@
+
+public class DepartmentData extends BaseData {
+
+	private String idDepartment;
+	private String nmDepartment;
+
+	@Override
+	public String toString() {
+		return getIdDepartment() + "\t" + getNmDepartment();
+	}
+
+	@Override
+	public String toCSV() {
+		return getIdDepartment() + "," + getNmDepartment();
+	}
+
+	@Override
+	public String getPrimaryKeyValue() {
+		// TODO 自動生成されたメソッド・スタブ
+		return getIdDepartment();
+	}
+
+	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;
+	}
+
+}

em-oop/src/EmployeeData.java

@@ -1,5 +1,5 @@
 
-public class EmployeeData {
+public class EmployeeData extends BaseData {
 	private String idEmployee;
 	private String nmEmployee;
 	private String knEmployee;
@@ -35,19 +35,6 @@ public class EmployeeData {
 				+ "\t" + this.password + "\t" + this.idDepartment;
 	}
 
-	public boolean isMatchId(String id) {
-		return getIdEmployee().equals(id);
-	}
-
-	public static boolean isMatchId(EmployeeData[] employees, String id) {
-		for (EmployeeData e : employees) {
-			if (e.isMatchId(id))
-				return true;
-
-		}
-		return false;
-	}
-
 	public String getIdEmployee() {
 		return idEmployee;
 	}
@@ -112,4 +99,14 @@ public class EmployeeData {
 		return true;
 	}
 
+	@Override
+	public String toCSV() {
+		return getIdEmployee() + "," + getNmEmployee() + "," + getKnEmployee() + ","
+				+ getMailAddress() + "," + getPassword() + "," + getIdDepartment();
+	}
+
+	@Override
+	public String getPrimaryKeyValue() {
+		return this.idEmployee;
+	}
 }

em-oop/src/Greeting.java

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

em-oop/src/JapaneseGreeting.java

@@ -0,0 +1,14 @@
+
+public class JapaneseGreeting implements Greeting, LoudGreeting {
+
+	@Override
+	public String hello() {
+		return "こんにちは";
+	}
+
+	@Override
+	public String shout() {
+		return "やっほー！";
+	}
+
+}

em-oop/src/LoudGreeting.java

@@ -0,0 +1,4 @@
+
+public interface LoudGreeting {
+	String shout();
+}

em-oop/src/Main.java

@@ -4,90 +4,116 @@ public class Main {
 	public static void main(String[] args) {
 		System.out.println("会社名:" + EmployeeData.COMPANY_NAME);
 
-		//		EmployeeData employee = new EmployeeData("10000", "山田龍也", "ヤマダタツヤ",
-		//				"yamada@hoge.jp", "aaa", "10");
-		//		System.out.println(employee);
+		BaseData employee = new EmployeeData("10000", "山田龍也", "ヤマダタツヤ",
+				"yamada@hoge.jp", "aaa", "10");
+		System.out.println(employee.toCSV());
+		System.out.println(employee.getPrimaryKeyValue());
+
+		System.out.println();
+
+		BaseData[] employees = new BaseData[5];
+
+		//setterがBaseData.javaにはないためコンストラクタで代入
+		//		for (int i = 0; i < employees.length; i++) {
+		//			employees[i] = new EmployeeData();
+		//		}
 		//
-		//		System.out.println();
+		//		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\t");
+		//		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\t");
+		//		employees[4].setKnEmployee("ミヤケタケシ");
+		//		employees[4].setMailAddress("miya@hoge.jp");
+		//		employees[4].setPassword("eee");
+		//		employees[4].setIdDepartment("13");
+		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");
 
-		EmployeeData[] employees = new EmployeeData[5];
-		for (int i = 0; i < employees.length; i++) {
-			employees[i] = 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\t");
-		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\t");
-		employees[4].setKnEmployee("ミヤケタケシ");
-		employees[4].setMailAddress("miya@hoge.jp");
-		employees[4].setPassword("eee");
-		employees[4].setIdDepartment("13");
-
-		for (EmployeeData e : employees) {
+		for (BaseData e : employees) {
 			System.out.println(e);
-			;
 		}
 		System.out.println("現在の社員のデータ件数：" + EmployeeData.getEmpCount() + "件");
 
 		System.out.println();
 
-		//nullおよび前後の空白を取り除いた結果が空文字チェック
-		EmployeeData emp = new EmployeeData("10000", "デフォルト", "ヤマダタツヤ", "yamada@hoge.jp", "aaa", "10");
-		System.out.println(emp);
-		emp.setNmEmployee(null);
-		System.out.println(emp);
-		emp.setNmEmployee("  　　");
-		System.out.println(emp);
+		//社員データ+部署データ
+		BaseData[] allData = new BaseData[11];
+		for (int i = 0; i < employees.length; i++) {
+			allData[i] = employees[i];
 
-		System.out.println();
-
-		EmployeeData emptyEmployee = new EmployeeData("", "", "", "", "", "");
-		System.out.println(emptyEmployee);
-
-		System.out.println();
-
-		//IDが一致するか
-		boolean matchIdBool = false;
-		System.out.println("10002 を検索します");
-		for (EmployeeData e : employees) {
-			matchIdBool = e.isMatchId("10002");
-			if (matchIdBool)
-				break;
 		}
-		System.out.println(matchIdBool);
+		DepartmentData[] dept = new DepartmentData[6];
+		for (int i = 0; i < dept.length; i++) {
+			dept[i] = new DepartmentData();
+		}
+		dept[0].setIdDepartment("10");
+		dept[0].setNmDepartment("役員");
+		allData[5] = dept[0];
+		dept[1].setIdDepartment("11");
+		dept[1].setNmDepartment("人事・総務部");
+		allData[6] = dept[1];
+		dept[2].setIdDepartment("12");
+		dept[2].setNmDepartment("経理部");
+		allData[7] = dept[2];
+		dept[3].setIdDepartment("13");
+		dept[3].setNmDepartment("システム開発事業部");
+		allData[8] = dept[3];
+		dept[4].setIdDepartment("14");
+		dept[4].setNmDepartment("教育事業部");
+		allData[9] = dept[4];
+		dept[5].setIdDepartment("15");
+		dept[5].setNmDepartment("営業企画部");
+		allData[10] = dept[5];
 
-		System.out.println("99999 を検索します");
-		System.out.println(EmployeeData.isMatchId(employees, "99999"));
+		for (BaseData data : allData) {
+			System.out.println(data);
+		}
+		System.out.println();
 
-		System.out.println("10003 を検索します");
-		System.out.println(EmployeeData.isMatchId(employees, "10003"));
+		//nullおよび前後の空白を取り除いた結果が空文字チェック
+		//		BaseData emp = new EmployeeData("10000", "デフォルト", "ヤマダタツヤ", "yamada@hoge.jp", "aaa", "10");
+		//		System.out.println(emp);
+		//		(EmployeeData)emp.setNmEmployee(null);
+		//		System.out.println(emp);
+		//		emp.setNmEmployee("  　　");
+		//		System.out.println(emp);
+
+		BaseData emptyEmployee = new EmployeeData("", "", "", "", "", "");
+		System.out.println(emptyEmployee);
 
 		System.out.println();
 
@@ -103,8 +129,8 @@ public class Main {
 
 			boolean matchFlag = false;
 
-			for (EmployeeData e : employees) {
-				if (e.isMatchId(findId)) {
+			for (BaseData e : employees) {
+				if (e.getPrimaryKeyValue().equals(findId)) {
 					System.out.println(e);
 					matchFlag = true;
 					break;

em-oop/src/Rectangle.java

@@ -0,0 +1,18 @@
+
+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;
+	}
+
+	@Override
+	public double area() {
+		return width * height;
+	}
+
+}

em-oop/src/Shape.java

@@ -0,0 +1,14 @@
+
+public abstract class Shape {
+	private String name;
+
+	public Shape(String name) {
+		this.name = name;
+	}
+
+	public abstract double area();
+
+	public void showInfo() {
+		System.out.println(this.name + "の面積は" + this.area() + "です");
+	}
+}