class A

{     public void method throws IOException(){} }

// 错误

class B {     public void method throws FileNotFoundException(){} }

// 错误 class C {     public void method throws Exception(){} }

// 错误

class D {     public void method throws IOException,MyException(){} }

// 正确

class F {     public void method(){} }

 

重写的方法必须和原方法抛出的异常一致或者不抛异常