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package p; //6, 32, 6, 47
class A {
void method(B b) {
if (b instanceof D) {
int v2= ((C) b).getV2();
System.out.println(v2);
}
if (b instanceof C) {
int v22= ((C) b).getV2();
System.out.println(v22);
}
}
}
class B {
int v1;
public B(int v1) {
super();
this.v1 = v1;
}
public int getV1() {
return v1;
}
}
class C extends B {
int v2;
public C(int v2) {
super(v2 * 10);
this.v2 = v2;
}
public int getV2() {
return v2;
}
}
class D extends C {
int v3;
public D(int v3) {
super(v3 * 10);
this.v3 = v3;
}
public int getV3() {
return v3;
}
}
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