类Parent、Child定义如下:
1. public class Parent 2.{ public float aFun(float a, float b) throws 3. IOException { } 4.}
5.public class Child extends Parent{ 6. 7.} 将以下哪种方法插入行6是不合法的。( A ) A、float aFun(float a, float b){ } B、public int aFun(int a, int b)throws Exception{ } C、public float aFun(float p, float q){ } D、public int aFun(int a, int b)throws IOException{ }
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