请问个scjp的问题~

显示全部楼层 · 2006-9-6 21:14:23

Which of the following statements are true?
1) Methods cannot be overriden to be more private
2) static methods cannot be overloaded
3) private methods cannot be overloaded
4) An overloaded method cannot throw exceptions not checked in the base class

Methods cannot be overriden to be more private这句是什么意思~？

千问 · 2006-9-6 21:14:23

class Parent {
protected void test(){}
}
class Child {
public void test(){}
}
复制代码可以

class Parent {
protected void test(){}
}
class Child {
private void test(){}
}
复制代码不可以

千问 · 2006-9-6 21:14:23

oh,thanks