JavaDumping/ch8/hab.java

33 lines
495 B
Java

class X{
int a;
X(int i) {a=i;}
}
class Y{
int a;
Y(int i ) {a=i;}
}
class Z extends X{
int b;
Z(int i, int j){
super(j);
b = i;
}
}
class hab {
public static void main(String args[]){
X x = new X(10);
X x2;
Y y = new Y(5);
Z z;
x2 = x;
X x3;
x3 = new Z(4,4);
// z = new X(3); // should result in an error too
// x2 = y; // should result in a compilations error
}
}