class Super //スーパークラスの定義
{
	public void print(String s){
		System.out.println("Super print:" + s);
	}
	public void method(){}
}
 
class Sub extends Super {	//サブクラスの定義
	public void print(String s){
	s = "渡された文字は" + s +"です";
	System.out.println("Sub print:" + s);
	}
 
	//void method(){} //コンパイルエラー
}
 
class Sample2 { //サブクラスを利用しているクラス
	public static void main (String[] args)
	{
		Super s1 = new Super();//サブクラスをインスタンス化
		//3行目を呼び出す
		s1.print("java");
 
		Sub s2 = new Sub();
		//10行目を呼び出す
		s2.print("java");
	}
}

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