2026_1011_3FR_Java_Kyono/question-java
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練習問題

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瓦　昴世
2026-10-29 16:04:28 +09:00
parent d9529e2971
commit 43f53da2f2
136 changed files with 1721 additions and 0 deletions
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6
Question01-StartProgram/.classpath Normal file
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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>

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Question01-StartProgram/.gitignore vendored Normal file
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/build/

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Question01-StartProgram/.project Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>Question01-StartProgram</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>

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Question01-StartProgram/.settings/org.eclipse.jdt.core.prefs Normal file
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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

4
Question01-StartProgram/.settings/org.eclipse.wst.common.project.facet.core.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<faceted-project>
<installed facet="java" version="21"/>
</faceted-project>

9
Question01-StartProgram/src/main/java/Q1_1.java Normal file
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public class Q1_1 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
System.out.println("Hello world");
}
}

16
Question01-StartProgram/src/main/java/Q1_2.java Normal file
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public class Q1_2 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
String str;
//変数を宣言
str = "こんにちは";
//代入
System.out.println(str);
//出力
}
}

11
Question01-StartProgram/src/main/java/Q1_3.java Normal file
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public class Q1_3 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
String str;
str = "こんにちは";
System.out.println(str);
}
}

10
Question01-StartProgram/src/main/java/Q1_4.java Normal file
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public class Q1_4 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
int number=10;
System.out.println(number);
}
}

10
Question01-StartProgram/src/main/java/Q1_5.java Normal file
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public class Q1_5 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
char ch='A';
System.out.println(ch);
}
}

15
Question01-StartProgram/src/main/java/Q1_6.java Normal file
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public class Q1_6 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
boolean b1=true;
System.out.println(b1);
}
}

13
Question01-StartProgram/src/main/java/Q1_7.java Normal file
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public class Q1_7 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
Long lo = 1000000000000L;
System.out.println(lo);
}
}

10
Question01-StartProgram/src/main/java/Q1_8.java Normal file
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public class Q1_8 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
float fl=(float) 3.14;
System.out.println(fl);
}
}

35
Question01-StartProgram/src/main/java/Q1_9.java Normal file
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public class Q1_9 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
boolean b1 = true;
String str;
str = "A";
short s = 1;
float fl = (float) 3.14;
double db = 3.123123123;
int num = 10;
byte b = 64;
char ch = 'B';
System.out.println(b1);
System.out.println(str);
System.out.println(s);
System.out.println(fl);
System.out.println(db);
System.out.println(num);
System.out.println(b);
System.out.println(ch);
}
}

6
Question02-Expressions/.classpath Normal file
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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>

1
Question02-Expressions/.gitignore vendored Normal file
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/build/

23
Question02-Expressions/.project Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>Question02-Expressions</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>

9
Question02-Expressions/.settings/org.eclipse.jdt.core.prefs Normal file
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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

4
Question02-Expressions/.settings/org.eclipse.wst.common.project.facet.core.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<faceted-project>
<installed facet="java" version="21"/>
</faceted-project>

27
Question02-Expressions/src/main/java/Q2_1.java Normal file
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public class Q2_1 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
int sum;
int diff;
int mulch;
int div;
int rem;
sum = 6+2;
diff = 6-2;
mulch = 6*2;
div = 6/2;
rem = 17%5;
System.out.println("変数sum :"+(sum));
System.out.println("変数diff :"+(diff));
System.out.println("変数mulch:"+(mulch));
System.out.println("変数div :"+(div));
System.out.println("変数rem :"+(rem));
}
}

14
Question02-Expressions/src/main/java/Q2_2.java Normal file
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public class Q2_2 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
String Lastname;
String Firstname;
Lastname = "山田";
Firstname = "太郎";
System.out.println((Lastname)+(Firstname));
}
}

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Question02-Expressions/src/main/java/Q2_3.java Normal file
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public class Q2_3 {
public static void main(String[] args) {
int num = 10;
num = num + 5;
System.out.println(num);
}
}

14
Question02-Expressions/src/main/java/Q2_4.java Normal file
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public class Q2_4 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
double sum;
sum = 10 + 3.14;
System.out.println(sum);
}
}

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Question02-Expressions/src/main/java/Q2_5.java Normal file
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public class Q2_5 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
int age;
int diff;
age = 20;
diff = 5;
System.out.println("山田さんは"+age+"歳です");
System.out.println(diff+"年後には"+(age + diff)+"歳になります");
}
}

20
Question02-Expressions/src/main/java/Q2_6.java Normal file
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public class Q2_6 {
public static void main(String[] args) {
float num1;
float num2;
float result;
double kotaewakaran;
num1 = 9;
num2 = 2;
result = (float)num1/num2;
kotaewakaran = (double)9/2;
System.out.println(result);
System.out.println(kotaewakaran);
}
}

12
Question02-Expressions/src/main/java/Q2_7.java Normal file
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public class Q2_7 {
public static void main(String[] args) {
double num;
num = 1.0;
System.out.println((int)num);
}
}

20
Question02-Expressions/src/main/java/Q2_8.java Normal file
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public class Q2_8 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
double money = 1000;
double price = 580;
double taxRate = 0.08;
int amount;
amount = (int)(price * (1 + taxRate));
System.out.println("残金は"+(int)(money-amount)+"円です。");
}
}

6
Question03-if/.classpath Normal file
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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>

1
Question03-if/.gitignore vendored Normal file
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/build/

23
Question03-if/.project Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>Question03-if</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>

9
Question03-if/.settings/org.eclipse.jdt.core.prefs Normal file
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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

4
Question03-if/.settings/org.eclipse.wst.common.project.facet.core.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<faceted-project>
<installed facet="java" version="21"/>
</faceted-project>

12
Question03-if/src/main/java/Q3_1.java Normal file
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public class Q3_1 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
int num;
num = 100;
if(num == 100);
System.out.println("条件に合致しました");
}
}

14
Question03-if/src/main/java/Q3_2.java Normal file
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public class Q3_2 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
int num = 65;
if (num >= 65) {
System.out.println("合格です");
} else {
System.out.println("不合格です");
}
}
}

12
Question03-if/src/main/java/Q3_3.java Normal file
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public class Q3_3 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
int num = 10;
if (num % 2 == 0 && num % 5 == 0) {
System.out.println(num + "10は2でも5でも割り切れます。");
}
}
}

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Question03-if/src/main/java/Q3_4.java Normal file
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import java.util.Scanner;
public class Q3_4 {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
int num;
System.out.print("降水確率を入力してください。（数字のみ）: ");
if (!scanner.hasNextInt()) {
System.out.println("エラー: 数字を入力してください。");
scanner.close();
return;
}
num = scanner.nextInt();
if (num < 0 || num > 100) {
System.out.println("不正な値が入力されました");
scanner.close();
return;
}
if (num >= 75) {
System.out.println("雨が降る確率が高いです");
} else if (num >= 30) {
System.out.println("雨が降るかもしれないです");
} else {
System.out.println("雨はまず降らないでしょう");
}
scanner.close();
}
}

6
Question04-while/.classpath Normal file
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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>

1
Question04-while/.gitignore vendored Normal file
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/build/

23
Question04-while/.project Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>Question04-while</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>

9
Question04-while/.settings/org.eclipse.jdt.core.prefs Normal file
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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

4
Question04-while/.settings/org.eclipse.wst.common.project.facet.core.xml Normal file
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@@ -0,0 +1,4 @@
<?xml version="1.0" encoding="UTF-8"?>
<faceted-project>
<installed facet="java" version="21"/>
</faceted-project>

21
Question04-while/src/main/java/Q4_1.java Normal file
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public class Q4_1 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
int randomNumber=-1; // カウンタ変数の初期化
while (randomNumber != 5) {
// 1から9までの乱数を生成
randomNumber = (int)(Math.random() * 9);
// 生成された乱数を表示
System.out.println("生成された乱数: " + randomNumber);
}
}
}

15
Question04-while/src/main/java/Q4_2.java Normal file
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public class Q4_2 {
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){
num = num * 2;
}
System.out.println(num);
}
}

24
Question04-while/src/main/java/Q4_3.java Normal file
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public class Q4_3 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
int randomNumber=0; // カウンタ変数の初期化
while (true) {
// 1から9までの乱数を生成
randomNumber = (int)(Math.random() * 9);
System.out.println(randomNumber);
if (randomNumber == 5) {
break;
}
}
}
}

6
Question05-switch/.classpath Normal file
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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>

1
Question05-switch/.gitignore vendored Normal file
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/build/

23
Question05-switch/.project Normal file
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<?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>

9
Question05-switch/.settings/org.eclipse.jdt.core.prefs Normal file
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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

4
Question05-switch/.settings/org.eclipse.wst.common.project.facet.core.xml Normal file
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@@ -0,0 +1,4 @@
<?xml version="1.0" encoding="UTF-8"?>
<faceted-project>
<installed facet="java" version="21"/>
</faceted-project>

40
Question05-switch/src/main/java/Q5_1.java Normal file
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public class Q5_1 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
int num;
System.out.println("今日の運勢を占います");
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;
}
}
}

51
Question05-switch/src/main/java/Q5_2.java Normal file
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import java.util.Scanner;
public class Q5_2 {
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);
System.out.println("1つ目の数値を入力してください");
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();
sc.close();
switch (choice) {
case "+":
System.out.println((num1 + num2));
break;
case "-":
System.out.println((num1 - num2));
break;
case "*":
System.out.println((num1 * num2));
break;
case "/":
System.out.println((num1 / num2));
break;
case "%":
System.out.println((num1 % num2));
break;
default:
System.out.println("計算に失敗しました");
}
}
}

6
Question06-for/.classpath Normal file
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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>

1
Question06-for/.gitignore vendored Normal file
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/build/

23
Question06-for/.project Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>Question06-for</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>

9
Question06-for/.settings/org.eclipse.jdt.core.prefs Normal file
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@@ -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

4
Question06-for/.settings/org.eclipse.wst.common.project.facet.core.xml Normal file
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@@ -0,0 +1,4 @@
<?xml version="1.0" encoding="UTF-8"?>
<faceted-project>
<installed facet="java" version="21"/>
</faceted-project>

11
Question06-for/src/main/java/Q6_1.java Normal file
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@@ -0,0 +1,11 @@
public class Q6_1 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
for (int i = 0; i <= 99; i++) {
System.out.println(i);
}
}
}

16
Question06-for/src/main/java/Q6_2.java Normal file
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@@ -0,0 +1,16 @@
public class Q6_2 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
int count = 5;
for (int i = 0; i < count; i++) {
System.out.print("■");
}
}
}

13
Question06-for/src/main/java/Q6_3.java Normal file
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@@ -0,0 +1,13 @@
public class Q6_3 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
for(int num = 0; num <= 100; num++) {
if(num % 2 == 0) {
System.out.println(num);
}
}
}
}

19
Question06-for/src/main/java/Q6_4.java Normal file
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@@ -0,0 +1,19 @@
public class Q6_4 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
for (int n = 1; n <= 49; n++) {
if(n % 3 == 0 && n % 5 == 0) {
System.out.println("fizzbuzz");}
else if(n % 3 == 0) {
System.out.println("fizz");}
else if(n % 5 == 0) {
System.out.println("buzz");}
else
System.out.println(n);
}
}
}

6
Question07-Array/.classpath Normal file
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@@ -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>

1
Question07-Array/.gitignore vendored Normal file
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@@ -0,0 +1 @@
/build/

23
Question07-Array/.project Normal file
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@@ -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>

9
Question07-Array/.settings/org.eclipse.jdt.core.prefs Normal file
View File

@@ -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

4
Question07-Array/.settings/org.eclipse.wst.common.project.facet.core.xml Normal file
View File

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

14
Question07-Array/src/main/java/Q7_1.java Normal file
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@@ -0,0 +1,14 @@
public class Q7_1 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
int[] list = {1,3,5,7,9};
System.out.println(list[1]);
}
}

12
Question07-Array/src/main/java/Q7_2.java Normal file
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@@ -0,0 +1,12 @@
public class Q7_2 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
int[] list = {1,10,100};
System.out.println(list[0] + list[2]);
}
}

15
Question07-Array/src/main/java/Q7_3.java Normal file
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@@ -0,0 +1,15 @@
public class Q7_3 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
String[] str = {"森", "山", "沼", "島", "平地"};
for (int i = 0; i < str.length; i++) {
System.out.println(str[i]);
}
}
}

18
Question07-Array/src/main/java/Q7_4.java Normal file
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@@ -0,0 +1,18 @@
public class Q7_4 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
int[] list;
list = new int[1000];
int i;
for(i=0; i<1000; i++) {
list[i]=i+1;
System.out.println(list[i]);
}
}
}

18
Question07-Array/src/main/java/Q7_5.java Normal file
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@@ -0,0 +1,18 @@
public class Q7_5 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
int num;
String[] str = {"森", "山", "沼", "島", "平地"};
num = (int)(Math.random() * 5);
System.out.println(num);
System.out.println(str[num]);
}
}

6
Question08-Method/.classpath Normal file
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@@ -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>

1
Question08-Method/.gitignore vendored Normal file
View File

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

23
Question08-Method/.project Normal file
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@@ -0,0 +1,23 @@
<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>Question08-Method</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>

9
Question08-Method/.settings/org.eclipse.jdt.core.prefs Normal file
View File

@@ -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

4
Question08-Method/.settings/org.eclipse.wst.common.project.facet.core.xml Normal file
View File

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

17
Question08-Method/src/main/java/Q8_1.java Normal file
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@@ -0,0 +1,17 @@
public class Q8_1 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
hello();
}
private static void hello() {
System.out.println("こんにちは");
}
}

13
Question08-Method/src/main/java/Q8_2.java Normal file
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@@ -0,0 +1,13 @@
public class Q8_2 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
hello("山田");
}
public static void hello(String str) {
System.out.println("こんにちは。"+str+"です");
}
}

18
Question08-Method/src/main/java/Q8_3.java Normal file
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@@ -0,0 +1,18 @@
public class Q8_3 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
String str = hello();
System.out.println(str);
}
public static String hello() {
return "こんにちは";
}
}

19
Question08-Method/src/main/java/Q8_4.java Normal file
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@@ -0,0 +1,19 @@
public class Q8_4 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
int aiueo;
aiueo = sum(1,2);
System.out.println(aiueo);
}
public static int sum(int x,int y) {
return x + y;
}
}

27
Question08-Method/src/main/java/Q8_5.java Normal file
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@@ -0,0 +1,27 @@
import java.util.Scanner;
public class Q8_5 {
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);
System.out.println("1つ目の数値を入力してください");
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();
sum(num1,num2);
System.out.println("結果:"+sum(num1,num2));
sc.close();
}
public static int sum(int x,int y) {
return x + y;
}
}

6
Question09-Package/.classpath Normal file
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@@ -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>

1
Question09-Package/.gitignore vendored Normal file
View File

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

23
Question09-Package/.project Normal file
View File

@@ -0,0 +1,23 @@
<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>Question09-Package</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>

9
Question09-Package/.settings/org.eclipse.jdt.core.prefs Normal file
View File

@@ -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

4
Question09-Package/.settings/org.eclipse.wst.common.project.facet.core.xml Normal file
View File

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

12
Question09-Package/src/main/java/Q9_1/Q9_1.java Normal file
View File

@@ -0,0 +1,12 @@
package Q9_1;
public class Q9_1 {
public static void main(String[] args) {
// TODO 自動生成されたメソッド・スタブ
Util.hello();
}
}

7
Question09-Package/src/main/java/Q9_1/Util.java Normal file
View File

@@ -0,0 +1,7 @@
package Q9_1;
public class Util {
public static void hello() {
System.out.println("こんにちは");
}
}

11
Question09-Package/src/main/java/Q9_2.java Normal file
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@@ -0,0 +1,11 @@
public class Q9_2 {
public static void main(String[] args) {
common.Util.showSun(1,1);
}
}

10
Question09-Package/src/main/java/Q9_3.java Normal file
View File

@@ -0,0 +1,10 @@
import common.Util;
public class Q9_3 {
public static void main(String[] args) {
Util.showSun(1,1);
}
}

9
Question09-Package/src/main/java/common/Q9_3.java Normal file
View File

@@ -0,0 +1,9 @@
package common;
public class Q9_3 {
public static void main(String[] args) {
}
}

10
Question09-Package/src/main/java/common/Util.java Normal file
View File

@@ -0,0 +1,10 @@
package common;
public class Util {
public static void showSun(int num1,int num2) {
System.out.println(num1+num2);
}
}

6
Question10-InstanceAndClass/.classpath Normal file
View File

@@ -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>

1
Question10-InstanceAndClass/.gitignore vendored Normal file
View File

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

23
Question10-InstanceAndClass/.project Normal file
View File

@@ -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>

9
Question10-InstanceAndClass/.settings/org.eclipse.jdt.core.prefs Normal file
View File

@@ -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

4
Question10-InstanceAndClass/.settings/org.eclipse.wst.common.project.facet.core.xml Normal file
View File

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

11
Question10-InstanceAndClass/src/main/java/Calculation.java Normal file
View File

@@ -0,0 +1,11 @@
public class Calculation {
int baseNum;
public void add(int num){
baseNum = baseNum + num;
}
}

15
Question10-InstanceAndClass/src/main/java/Q10_1.java Normal file
View File

@@ -0,0 +1,15 @@
public class Q10_1 {
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 = 1000;
user.name = "山田太郎";
System.out.println(user.id);
System.out.println(user.name);
}
}

12
Question10-InstanceAndClass/src/main/java/Q10_2.java Normal file
View File

@@ -0,0 +1,12 @@
public class Q10_2 {
public static void main(String[] args) {
User user = new User();
user.id = 2000;
user.name = "佐藤二郎";
user.printProfile();
}
}

16
Question10-InstanceAndClass/src/main/java/Q10_3.java Normal file
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@@ -0,0 +1,16 @@
public class Q10_3 {
public static void main(String[] args) {
Student student = new Student();
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);
}
}

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