1030自主学習

Question14-Interface/.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>

Question14-Interface/.gitignore

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+/build/

Question14-Interface/.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>Question14-Interface</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>

Question14-Interface/.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

Question14-Interface/.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>

Question14-Interface/src/main/java/Book.java

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+import java.util.List;
+
+public interface Book {
+	String title();
+	List <String> chapter();
+}

Question14-Interface/src/main/java/Book1_programming.java

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+import java.util.ArrayList;
+import java.util.List;
+
+public class Book1_programming implements Book{
+	public String title() {
+		return "プログラミング基礎入門";
+	}
+	
+	
+	public List <String> chapter(){
+		List <String> chapter = new ArrayList<String>();
+		chapter.add("式と変数");
+		chapter.add("制御構文");
+		chapter.add("メソッド");
+		chapter.add("オブジェクト指向");
+		chapter.add("継承");
+			return chapter;
+	}
+	
+	
+}

Question14-Interface/src/main/java/Car.java

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+
+public interface Car {
+	void refill(int amount);
+	void run(int speed);
+}

Question14-Interface/src/main/java/Question14_1.java

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+
+public class Question14_1 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		Book1_programming book = new Book1_programming();
+		System.out.println(book.title());
+		System.out.println(book.chapter());
+	}
+
+}

Question14-Interface/src/main/java/Question14_2.java

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+
+public class Question14_2 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		sportCar car = new sportCar();
+		car.refill(100);
+		car.run(100);
+		car.run(301);
+	}
+}

Question14-Interface/src/main/java/sportCar.java

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+
+public class sportCar implements Car{
+	public void refill(int num) {
+		System.out.println("ハイオクを" + num + "リットル補充した");
+	}
+	
+	public void run(int speed) {
+		if(speed > 300) {
+			System.out.println("速度オーバーです");
+		}else {
+			System.out.println("スポーツカーは時速" + speed + "キロで走った");
+		}
+	}
+}