練習問題

Question07-Array/.classpath

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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>

Question07-Array/.gitignore

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+/build/

Question07-Array/.project

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+<?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

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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

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

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

Question07-Array/src/main/java/Q7_1.java

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+
+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]);
+
+	}
+
+}

Question07-Array/src/main/java/Q7_2.java

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+
+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]);
+	}
+
+}

Question07-Array/src/main/java/Q7_3.java

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+
+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]);
+        }
+		
+	}
+
+}

Question07-Array/src/main/java/Q7_4.java

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+
+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]);
+		}
+		
+	}
+	
+}

Question07-Array/src/main/java/Q7_5.java

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+
+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]);
+		
+		
+	}
+
+}