Day3、2段階目完了
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@@ -3,13 +3,15 @@ public class Day3Check2 {
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public static void main(String[] args) {
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public static void main(String[] args) {
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//インスタンス
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//インスタンス
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Rectangle width = new Rectangle(3);
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Rectangle rect = new Rectangle(3.0,4.0);
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Rectangle height = new Rectangle(4);
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//メソッド呼び出し
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//メソッド呼び出し
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width.showInfo;
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rect.showInfo();
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height.showInfo;
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//戻り値出力
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//戻り値出力
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//Greeting greeting = new JapaneseGreeting();
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//System.out.println();
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//インスタンスを代入
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Greeting greeting = new JapaneseGreeting();
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Greeting greeting = new JapaneseGreeting();
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System.out.println();
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System.out.println(greeting.hello());
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}
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}
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}
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}
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@@ -5,6 +5,7 @@ public abstract class Shape {
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//コンストラクタ
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//コンストラクタ
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public Shape(String name) {
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public Shape(String name) {
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this.name = name;
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}
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}
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//メソッド1(抽象メソッド)
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//メソッド1(抽象メソッド)
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