求高人指点迷津 啊
public class Base {
int x;
Base()
{
x=5;
}
public void show()
{
System.out.println(x);
}
}
public class Sub extends Base {
Sub()
{
x=9;
}
}
public class Test {
public static void main(String[] args) {
Sub sub =new Sub();
Base base =new Base();
base.show();
sub.show();
为什么不是5,5啊