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class super { public float getNum() {return 3.0f;} } public class Sub extends Super { } Which method, placed at line 6, will cause a compiler error?()
- A、 Public float getNum() {return 4.0f; }
- B、 Public void getNum (){}
- C、 Public void getNum (double d){}
- D、 Public double getNum (float d) {retrun 4.0f; }
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更多 “ class super { public float getNum() {return 3.0f;} } public class Sub extends Super { } Which method, placed at line 6, will cause a compiler error?()A、 Public float getNum() {return 4.0f; }B、 Public void getNum (){}C、 Public void getNum (double d){}D、 Public double getNum (float d) {retrun 4.0f; }” 相关考题
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