class A{
int num;
public A(){}
public A(int num){
this.num = num;
}
}
public class test5{
public A getA(int num){
return new A(num){};
//这边加{}干吗啊?应该没有才是啊?加了也没错。
}
public static void main(String args[]){
test5 t = new test5();
A a = t.getA(5);
System.out.println(a.num);
}
}
class MyA extends A{
}
return new MyA(num);