package cn.lixunhuan.oo1;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.text.ParseException;
public class TestRangofExrends {
}
class A {
public void method() throws IOException {
}
}
class B extends A {
public void method() throws FileNotFoundException {
}
}
class C extends A {
public void method()
}
class D extends A {
public void method() throws Exception {
}
}
class E extends A {
public void method() throws IOException, FileNotFoundException {
}
}
class F extends A {
public void method() throws IOException, ParseException {
}
}
编译结果是:
D\F报错,其余合法;
先给出异常继承关系:
方法重写中的声明异常原则: