2026_0910_AI_5G_Java_MUN/java-cui-em-oop
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Day3課題2

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q5の1~3まで終了
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高山　茜
2026-09-17 13:55:31 +09:00
parent 012cbcd562
commit 439556d4cc
9 changed files with 90 additions and 9 deletions
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14
em-oop/src/Shape.java
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@@ -1,9 +1,10 @@
public class Shape {
public abstract class Shape {
private String name; //フィールドname ・privateにしなきゃいけない
public double area;
public int radius;
// public double area;
// public int radius;
public Shape() {
}
@@ -12,8 +13,8 @@ public class Shape {
this.name = name; //Circleが"円"を呼び出すための文字列をいれるところ
}
public double area() { //メソッドarea 引数なし・戻り値double 中身return0.0;
return 0.0;
public abstract double area();{ //メソッドarea 引数なし・戻り値double 中身return0.0;
// return 0.0;
}
// @Override
@@ -21,7 +22,8 @@ public class Shape {
public void showInfo(){ //メソッドshowinfo 引数戻り値なし・中身はsyso
System.out.println(this.name + "の面積は" + this.area() + "です");
System.out.println("(半径:" + this.radius + ")");
// System.out.println("(半径:" + this.radius + ")");
System.out.println("四角形" + "の面積は" + this.area() + "です。");
}
// @Override