覆盖与重载问题请教.......我被老师弄疯了.................
public class Parent {
public int addValue( int a, int b) {
int s;s = a+b;return s;
}
}
class Child extends Parent {
}
Which methods can be added into class Child?
a int addValue( int a, int b ){// do something...}
b public void addValue (){// do something...}
c public int addValue( int a ){// do something...}
d public int addValue( int a, int b )throws MyException {//do something...}
答案时b和c,看样子老师认为是重载,但为什么不能是a,覆盖阿???我不明白.........
什么样的情况可以重载或覆盖,什么样的情况不能...
我们老师出了好多这样的题目..........