10/16自習

Question02-Expressions/src/main/java/Question02_05.java

@@ -0,0 +1,13 @@
+
+public class Question02_05 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		int age = 20;
+		int diff = 5;
+		
+		System.out.println("山田さんは" + age + "歳です。");
+		System.out.println("5年後には" + (age + diff) + "歳になります。");
+	}
+
+}

Question02-Expressions/src/main/java/Question02_06.java

@@ -0,0 +1,11 @@
+
+public class Question02_06 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		double a = 9;
+		int b = 2;
+		System.out.println(a/b);
+	}
+
+}

Question02-Expressions/src/main/java/Question02_07.java

@@ -0,0 +1,12 @@
+
+public class Question02_07 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		double num = 1.0;
+		int intPositive = (int)num;
+		
+		System.out.println(intPositive);
+	}
+
+}

Question02-Expressions/src/main/java/Question02_08.java

@@ -0,0 +1,13 @@
+
+public class Question02_08 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		int money = 1000;
+		int price = 580;
+		double taxRate = 0.08;
+		
+		System.out.println("残金は" + (money - (int)(price + (price * taxRate))) + "円です。");
+	}
+
+}

Question04-while/src/main/java/Question04_01.java

@@ -1,11 +1,16 @@
-
 public class Question04_01 {
 
 	public static void main(String[] args) {
 		// TODO 自動生成されたメソッド・スタブ
-		for(i == 0; i >= 9; i++) {
+		int number = 1;
-			System.out.println(i == 5);
+		while (number <= 9) {
-			break;
+	        System.out.println(number);
+	        number = (int)(Math.random() * 10);
+	        
+	        if(number == 5) {
+	        	break;
+	        }
+			
 		}
 	}
 		

Question04-while/src/main/java/Question04_02.java

@@ -1,9 +1,18 @@
-
 public class Question04_02 {
 
 	public static void main(String[] args) {
 		// TODO 自動生成されたメソッド・スタブ
+		int num = 2;
+		
+		while(num < 1000)//条件式（tureだった場合繰り返し）
+			{
+			num *= 2;//文
+			}
+			
+			//次の文（falseだった場合表示）
+			System.out.println(num);
 		
 	}
 
 }
+

Question04-while/src/main/java/Question04_03.java

@@ -0,0 +1,19 @@
+import java.util.Random;
+public class Question04_03 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		int num;
+	    Random rand = new Random();
+
+	    System.out.println();
+
+	    do{
+	      num = rand.nextInt(5) + 1;
+	      System.out.println(num);
+	    }while (num != 5);
+		
+		
+	}
+}
+	

Question04-while/src/main/java/Question04_04.java

@@ -0,0 +1,47 @@
+import java.util.Random;
+import java.util.Scanner;
+public class Question04_04 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		Scanner sc = new Scanner(System.in);
+		
+		//双六の総マス数
+		int map = 50;
+		
+		//現在までに進んだマス数
+		int progress = 0;
+		
+		//スタート
+		System.out.println("===== START =====");
+		
+		
+		while(progress < map) {
+			System.out.println("Enterキーを押してください。さいころをふります。");
+			//何かしらの入力
+			String str = sc.next();
+			
+			//サイコロを振る
+			Random random = new Random();
+		    int number = random.nextInt(6) + 1;
+		    
+		    //出た目メッセージ
+		    System.out.println(number + "の目が出ました。");
+		    
+		    //進んだマス
+		    progress = progress +number;
+		    
+		    //残りのマス
+		    int rest = map - progress;
+		    
+			
+			if(rest > 0) {
+				System.out.println("残りのマスは" + (map - progress) +"マスです");
+			}	
+			
+		} System.out.println("===== GOAL =====");
+		   
+		
+	}
+
+}

Question04-while/src/main/java/Question04_05.java

@@ -0,0 +1,23 @@
+import java.util.Scanner;
+public class Question04_05 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		//勝敗
+		boolean winFlag = false;
+		
+		//最初の言葉
+		System.out.println("じゃんけんを行います。、あなたの出す手を入力してください、0:グー, 1:チョキ, 2:パー");
+		Scanner sc = new Scanner(System.in);
+	    int select = sc.nextInt();
+	    int playerHand = select;
+	    
+	    
+		
+		while(true) {
+			
+		}
+			
+	}
+
+}

Question05-switch/.classpath

@@ -0,0 +1,6 @@
+<?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>

Question05-switch/.gitignore

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

Question05-switch/.project

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>Question05-switch</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>

Question05-switch/.settings/org.eclipse.jdt.core.prefs

@@ -0,0 +1,9 @@
+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

Question05-switch/.settings/org.eclipse.wst.common.project.facet.core.xml

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

Question05-switch/src/main/java/Question05_01.java

@@ -0,0 +1,38 @@
+
+public class Question05_01 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		System.out.println("今日の運勢を占います");
+	
+		int num = 0;
+		num = (int)(Math.random() * 6);
+		
+		switch (num) {
+				case 0:
+				System.out.println("あなたの運勢は「大吉」です");
+				break;
+				
+				case 1:
+				System.out.println("あなたの運勢は「吉」です");
+				break;
+				
+				case 2:
+				System.out.println("あなたの運勢は「中吉」です");
+				break;
+				
+				case 3:
+				System.out.println("あなたの運勢は「小吉」です");
+				break;
+				
+				case 4:
+				System.out.println("あなたの運勢は「末吉」です");
+				break;
+				
+				case 5:
+				System.out.println("あなたの運勢は「凶」です");
+				break;
+		}
+	}
+
+}

Question05-switch/src/main/java/Question05_02.java

@@ -0,0 +1,42 @@
+import java.util.Scanner;
+
+public class Question05_02 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		System.out.println("1つ目の数値を入力してください");
+		Scanner sc = new Scanner(System.in);
+        int num1 = sc.nextInt();
+        
+        System.out.println("2つ目の数値を入力してください");
+        int num2 = sc.nextInt();
+        
+        System.out.println("計算方法を選択してください");
+        String choice = sc.next();
+        
+        switch(choice) {
+        case "+":
+        	System.out.println(num1 + num2);
+        break;
+        
+        case "-":
+        	System.out.println(num1 - num2);
+        
+        case "*":
+        	System.out.println(num1 * num2);
+        	
+        case "/":
+        	System.out.println(num1 / num2);
+        	
+        case "%":
+        	System.out.println(num1 % num2);
+        
+        default:
+        	System.out.println("計算に失敗しました");
+        }
+        
+		
+
+	}
+
+}

Question05-switch/src/main/java/Question05_03.java

@@ -0,0 +1,9 @@
+
+public class Question05_03 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+
+	}
+
+}

Question05-switch/src/main/java/Question05_04.java

@@ -0,0 +1,9 @@
+
+public class Question05_04 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+
+	}
+
+}

Question05-switch/src/main/java/Question05_05.java

@@ -0,0 +1,9 @@
+
+public class Question05_05 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+
+	}
+
+}

Question07-Array/.classpath

@@ -0,0 +1,6 @@
+<?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>

Question07-Array/.gitignore

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

Question07-Array/.project

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>Question07-Array</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>

Question07-Array/.settings/org.eclipse.jdt.core.prefs

@@ -0,0 +1,9 @@
+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

Question07-Array/.settings/org.eclipse.wst.common.project.facet.core.xml

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

Question07-Array/src/main/java/Question07_01.java

@@ -0,0 +1,10 @@
+
+public class Question07_01 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		int [] array = {1, 3, 5, 7, 9};
+		System.out.println(array[1]);
+	}
+
+}

Question07-Array/src/main/java/Question07_02.java

@@ -0,0 +1,10 @@
+
+public class Question07_02 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		int[] array = {1, 10, 100};
+		System.out.println(array[0] + array[2]);
+	}
+
+}

Question07-Array/src/main/java/Question07_03.java

@@ -0,0 +1,13 @@
+
+public class Question07_03 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		String[] array = {"森", "山", "沼", "島", "平地"};
+		
+		for(int i = 0; i < array.length; i++) {
+			System.out.print(array[i]);
+		}
+	}
+
+}

Question07-Array/src/main/java/Question07_04.java

@@ -0,0 +1,16 @@
+
+public class Question07_04 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		int i = 1;
+		int[] array = new int[i];
+				
+			for(i =1; i <= 1000; i ++) {
+				System.out.println(i);
+			}
+		
+
+	}
+
+}

Question07-Array/src/main/java/Question07_05.java

@@ -0,0 +1,17 @@
+
+public class Question07_05 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		String[] array = {"森", "山", "沼", "島", "平地"};
+		
+		
+		for(int i = (int) Math.random(); i < array.length; i++) {
+			System.out.print(array[i]);
+		}
+	
+	
+		
+	}
+
+}

Question08-Method/src/main/java/Question08_04.java

@@ -7,9 +7,11 @@ public class Question08_04 {
 
 	public static void main(String[] args) {
 		// TODO 自動生成されたメソッド・スタブ
+		int x = 1;
+		int y =2;
 		
 		int total;
-		total = sum(1,2);
+		total = sum(x,y);
 		System.out.println(total);
 		
 	}

Question08-Method/src/main/java/Question08_06.java

@@ -0,0 +1,17 @@
+
+public class Question08_06 {
+	
+	public static int addArray(int x, int y) {
+		return x,y;
+	}
+}
+}
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		int x = 10;
+		int y = 20;
+		System.out.println();
+		
+
+}

Question10-InstanceAndClass/.classpath

@@ -0,0 +1,6 @@
+<?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>

Question10-InstanceAndClass/.gitignore

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

Question10-InstanceAndClass/.project

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>Question10-InstanceAndClass</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>

Question10-InstanceAndClass/.settings/org.eclipse.jdt.core.prefs

@@ -0,0 +1,9 @@
+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

Question10-InstanceAndClass/.settings/org.eclipse.wst.common.project.facet.core.xml

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

Question10-InstanceAndClass/src/main/java/Calculation.java

@@ -0,0 +1,12 @@
+
+public class Calculation {
+	//フィールドの宣言
+	int baseNum;
+	int num;
+	
+	
+	//メソッドの生成
+	public void add(int num) {
+		System.out.println((baseNum + num));
+	}
+}

Question10-InstanceAndClass/src/main/java/Question10_01.java

@@ -0,0 +1,16 @@
+
+public class Question10_01 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		//インスタンス生成
+		User user = new User();
+		
+		user.id =1000;
+		user.name = "山田太郎";
+		
+		user.printProfile();
+
+	}
+
+}

Question10-InstanceAndClass/src/main/java/Question10_02.java

@@ -0,0 +1,14 @@
+
+public class Question10_02 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		User user = new User();
+		
+		user.id =2000;
+		user.name = "佐藤二郎";
+		
+		user.printProfile();
+	}
+
+}

Question10-InstanceAndClass/src/main/java/Question10_03.java

@@ -0,0 +1,21 @@
+
+public class Question10_03 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		//インスタンス生成
+		Student student = new Student();
+		
+		//それぞれの値を代入
+		student.studentId = 10;
+		student.name = "田中二郎";
+		student.mail = "test@mail.com";
+		student.password = "pass";
+		
+		System.out.println(student.studentId);
+		System.out.println(student.name);
+		System.out.println(student.mail);
+		System.out.println(student.password);
+		
+	}
+}

Question10-InstanceAndClass/src/main/java/Question10_04.java

@@ -0,0 +1,13 @@
+
+public class Question10_04 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		Calculation cal = new Calculation();
+		
+		cal.baseNum = 100;
+		cal.add(100);
+
+		}
+
+}

Question10-InstanceAndClass/src/main/java/Student.java

@@ -0,0 +1,9 @@
+
+public class Student {
+	//フィールドの宣言
+	int studentId;
+	String name;
+	String mail;
+	String password;
+
+}

Question10-InstanceAndClass/src/main/java/User.java

@@ -0,0 +1,11 @@
+
+public class User {
+	//フィールドの宣言
+	int id;
+	String name;
+	
+	//メソッド作成
+	public void printProfile() {
+		System.out.println("ID"+ id + ":" + name);
+	}
+}

Question11-ConstructorAndStatic/.classpath

@@ -0,0 +1,6 @@
+<?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>

Question11-ConstructorAndStatic/.gitignore

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

Question11-ConstructorAndStatic/.project

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>Question11-ConstructorAndStatic</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>

Question11-ConstructorAndStatic/.settings/org.eclipse.jdt.core.prefs

@@ -0,0 +1,9 @@
+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

Question11-ConstructorAndStatic/.settings/org.eclipse.wst.common.project.facet.core.xml

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

Question11-ConstructorAndStatic/src/main/java/Atm.java

@@ -0,0 +1,21 @@
+
+public class Atm {
+	//フィールドの宣言
+	int credit = 100000;
+
+	
+	//withdrawメソッドの生成
+	public void withdraw(Wallet2 wallet,int money) {
+		
+		wallet.money = wallet.money + money;
+		
+		if(credit < money) {
+			System.out.println("預金残高不足です。現金の引き出しに失敗しました。");
+		}	else {
+			System.out.println("ATMの残り残高はx" + (credit - money) + "です");
+		}
+		
+	}
+
+
+}

Question11-ConstructorAndStatic/src/main/java/Question11_01.java

@@ -0,0 +1,31 @@
+
+public class Question11_01 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		//Walletのインスタンス生成
+		Wallet wallet = new Wallet();
+		
+		//wallet の money フィールドに 10000 を代入
+		wallet.money = 10000;
+
+		
+		//Userのインスタンス生成
+		User user = new User();
+		
+		//user の name フィールドに 太郎 を代入
+		user.name = "太郎";
+		
+		user.wallet = wallet;
+		
+		//user の confirmWallet メソッドを実行
+		user.confirmWallet();
+		
+		//user の useMoney メソッドを、引数 1000 で実行
+		user.useMoney(1000);
+		
+		//user の confirmWallet メソッドを再度実行
+		user.confirmWallet();
+	}
+
+}

Question11-ConstructorAndStatic/src/main/java/Question11_02.java

@@ -0,0 +1,28 @@
+
+public class Question11_02 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		//Wallet 型の変数 wallet を宣言し、Wallet のインスタンスを代入
+		Wallet2 wallet = new Wallet2();
+		
+		//wallet の money フィールドに 10000 を代入
+		wallet.money = 10000;
+		
+		
+		//Atm 型の変数 atm を宣言し、Atm のインスタンスを代入
+		Atm atm = new Atm();
+		
+		//atm の withdraw メソッドを、第一引数に wallet、第二引数に 100000 を渡して呼び出す
+		atm.withdraw(wallet,100000);
+		
+		//wallet の money フィールドの値を出力
+		System.out.println(wallet.money);
+		
+		atm.withdraw(wallet,100000);
+		
+		System.out.println(wallet.money);
+		
+	}
+
+}

Question11-ConstructorAndStatic/src/main/java/Question11_03.java

@@ -0,0 +1,9 @@
+
+public class Question11_03 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+
+	}
+
+}

Question11-ConstructorAndStatic/src/main/java/User.java

@@ -0,0 +1,22 @@
+ 
+public class User {
+	//フィールドの宣言
+	String name;
+	Wallet wallet;
+	
+	
+	//Wallet.javaのmoneyの値が欲しい
+	
+	
+	//お金を使うメソッドの生成(useMoney) 
+	public void useMoney(int money) {
+		//財布の中のお金-使ったお金
+		wallet.money = wallet.money - money;
+		System.out.println( name + "は財布の中のお金を" + money + "円使用しました");
+	}
+	
+	//財布の残高確認メソッドの生成(confirmWallet)
+	public void confirmWallet() {
+		System.out.println( name + "の財布の中の残額は" +  wallet.money +"円です");
+	}
+}

Question11-ConstructorAndStatic/src/main/java/Wallet.java

@@ -0,0 +1,5 @@
+
+public class Wallet {
+	//フィールドの宣言
+	int money;
+}

Question11-ConstructorAndStatic/src/main/java/Wallet2.java

@@ -0,0 +1,5 @@
+
+public class Wallet2 {
+	//フィールドの宣言
+	int money;
+}

Question12-Encapsulation/.classpath

@@ -0,0 +1,6 @@
+<?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>

Question12-Encapsulation/.gitignore

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

Question12-Encapsulation/.project

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>Question12-Encapsulation</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>

Question12-Encapsulation/.settings/org.eclipse.jdt.core.prefs

@@ -0,0 +1,9 @@
+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

Question12-Encapsulation/.settings/org.eclipse.wst.common.project.facet.core.xml

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

Question12-Encapsulation/src/main/java/Question12_01.java

@@ -0,0 +1,19 @@
+
+public class Question12_01 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		
+		//Userのインスタンス生成
+		User user1 = new User(
+				1000,
+				"リゾーム太郎",
+				"rhizome@hogehoge.com",
+				"12345"
+				);
+		
+		user1.date();
+		
+	}
+
+}

Question12-Encapsulation/src/main/java/User.java

@@ -0,0 +1,55 @@
+public class User {
+	
+	//フィールド（private）
+	private int id;
+	private String name;
+	private String mail;
+	private String pass;
+	
+	
+	//アクセサの設定(ゲッターセッター)
+	public int getId() {
+		return id;
+	}
+	public void setId(int id) {
+		this.id = id;
+	}
+	public String getName() {
+		return name;
+	}
+	public void setName(String name) {
+		this.name = name;
+	}
+	public String getMail() {
+		return mail;
+	}
+	public void setMail(String mail) {
+		this.mail = mail;
+	}
+	public String getPass() {
+		return pass;
+	}
+	public void setPass(String pass) {
+		this.pass = pass;
+	}
+	
+	
+	//コンストラクタの設定
+	public User(int id,String name, String mail,String pass) {
+		this.id = id;
+		this.name = name;
+		this.mail = mail;
+		this.pass = pass;
+	}
+	
+	//dateメソッドの作成
+	public void date() {
+		System.out.println("ID　：" + this.id);
+		System.out.println("名前　：" + this.name);
+		System.out.println("メールアドレス　　：" + this.mail);
+		System.out.println("パスワード　　：" + this.pass);
+	}
+	
+
+
+}