20261030

Question16-Exception/.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>

Question16-Exception/.gitignore

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+/build/

Question16-Exception/.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>Question16-Exception</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>

Question16-Exception/.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

Question16-Exception/.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>

Question16-Exception/src/main/java/Question16_01.java

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+
+public class Question16_01 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		//整数xとyを渡して、プログラムを呼び出す
+
+		try {
+			int x = 10;
+			int y = 0;
+			int Caluculate;
+			Caluculate = x / y;
+			System.out.println(Caluculate);
+		} catch (ArithmeticException e) {
+			System.out.println("0で割ることはできません");
+		}
+
+	}
+
+}

Question16-Exception/src/main/java/Question16_02.java

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+
+public class Question16_02 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		
+		try {
+		String str = "";
+		if(str.isEmpty()) 
+			str = null;
+		} catch(NullPointerException e) {
+			System.out.println("入力が空です");
+		} break;
+		
+		try  {
+			int num = Integer.parseInt(str);
+		     System.out.println(num*2);
+		} catch(NumberFormatException e) {
+			System.out.println("数値に変換できません");
+	
+
+}
+