10/30自習
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6
Question08-Method/.classpath
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6
Question08-Method/.classpath
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<?xml version="1.0" encoding="UTF-8"?>
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<classpath>
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<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-21"/>
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<classpathentry kind="src" path="src/main/java"/>
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<classpathentry kind="output" path="build/classes"/>
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</classpath>
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1
Question08-Method/.gitignore
vendored
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Question08-Method/.gitignore
vendored
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/build/
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23
Question08-Method/.project
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Question08-Method/.project
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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>Question08-Method</name>
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<comment></comment>
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<projects>
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</projects>
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<buildSpec>
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<buildCommand>
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<name>org.eclipse.jdt.core.javabuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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<buildCommand>
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<name>org.eclipse.wst.common.project.facet.core.builder</name>
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<arguments>
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</arguments>
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</buildCommand>
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</buildSpec>
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<natures>
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<nature>org.eclipse.wst.common.project.facet.core.nature</nature>
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<nature>org.eclipse.jdt.core.javanature</nature>
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</natures>
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</projectDescription>
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9
Question08-Method/.settings/org.eclipse.jdt.core.prefs
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Question08-Method/.settings/org.eclipse.jdt.core.prefs
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eclipse.preferences.version=1
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org.eclipse.jdt.core.compiler.codegen.targetPlatform=21
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org.eclipse.jdt.core.compiler.compliance=21
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org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
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org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
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org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
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org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
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org.eclipse.jdt.core.compiler.release=enabled
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org.eclipse.jdt.core.compiler.source=21
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<?xml version="1.0" encoding="UTF-8"?>
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<faceted-project>
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<installed facet="java" version="21"/>
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</faceted-project>
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15
Question08-Method/src/main/java/Question08_1.java
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Question08-Method/src/main/java/Question08_1.java
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public class Question08_1 {
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public static void main(String[] args) {
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// TODO 自動生成されたメソッド・スタブ
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hello();
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}
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public static void hello() {
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System.out.println("こんにちは");
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}
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}
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Question08-Method/src/main/java/Question08_2.java
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Question08-Method/src/main/java/Question08_2.java
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public class Question08_2 {
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public static void main(String[] args) {
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// TODO 自動生成されたメソッド・スタブ
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String name = "山田";
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hello(name);
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}
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public static void hello(String name) {
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System.out.println("こんにちは。" + name + "です");
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}
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}
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18
Question08-Method/src/main/java/Question08_3.java
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Question08-Method/src/main/java/Question08_3.java
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public class Question08_3 {
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public static void main(String[] args) {
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// TODO 自動生成されたメソッド・スタブ
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String str = "こんにちは";
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hello(str);
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}
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public static String hello(String str) {
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System.out.println(str);
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return str;
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}
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}
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Question08-Method/src/main/java/Question08_4.java
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Question08-Method/src/main/java/Question08_4.java
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public class Question08_4 {
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public static void main(String[] args) {
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// ★0
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// sumメソッドの戻り値を変数sumに代入している
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// int sum = sum(1, 2);
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// sumメソッドではなく、変数sumを出力している
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// System.out.println(sum);
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//★2
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//System.out.println(sum(1, 2));
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//★1
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sum(1, 2);
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}
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//★0,2
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// public static int sum(int x, int y) {
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// return x + y;
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// }
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//★1
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public static void sum(int x, int y) {
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System.out.println(x + y);
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}
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}
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24
Question08-Method/src/main/java/Question08_5.java
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Question08-Method/src/main/java/Question08_5.java
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import java.util.Scanner;
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public class Question08_5 {
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public static void main(String[] args) {
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// TODO 自動生成されたメソッド・スタブ
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Scanner scanner = new Scanner(System.in);
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System.out.println("1つ目の数値を入力してください");
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int num1 = scanner.nextInt();
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System.out.println("2つ目の数値を入力してください");
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int num2 = scanner.nextInt();
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int sum = sum(num1, num2);
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System.out.println(sum);
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}
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public static int sum(int num1, int num2) {
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return num1 + num2;
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}
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}
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15
Question08-Method/src/main/java/Question08_6.java
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Question08-Method/src/main/java/Question08_6.java
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public class Question08_6 {
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public static void main(String[] args) {
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// TODO 自動生成されたメソッド・スタブ
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addArray(10, 20);
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}
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public static void addArray(int x, int y) {
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int[] array = {x, y};
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for(int a : array) {
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System.out.println(a);
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}
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}
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}
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17
Question08-Method/src/main/java/Question08_7.java
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Question08-Method/src/main/java/Question08_7.java
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public class Question08_7 {
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public static void main(String[] args) {
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// TODO 自動生成されたメソッド・スタブ
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printValue("こんにちは");
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printValue(100);
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printValue(10.1);
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printValue('A');
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}
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public static void printValue(Object a) {
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System.out.println("引数は" + a + "です");
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}
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}
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9
Question08-Method/src/main/java/Question08_8.java
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Question08-Method/src/main/java/Question08_8.java
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public class Question08_8 {
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public static void main(String[] args) {
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// TODO 自動生成されたメソッド・スタブ
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}
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}
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