现有: class Pencil { public void write (String content){ System.out.println( "Write",+content){ } }class RubberPencil extends Pencil{ public void write (String content){ System.out.println("Rubber Write"+content); } public void erase (String content)}} 执行下列代码的结果是哪项?() Pencil pen=new Pencil(); (( RubberPencil) pen).write( "Hello");
- A、Write Hello
- B、Rubber Write Hello
- C、编译失败
- D、运行时抛出异常
正确答案:D
答案解析:有
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