public void overall_checker() {
ExtendsChecker a;
ExtendsChecker2 a1;
extra_int result;
int val1;
result = new extra_int();
a1 = this;
a1.set_f1(5);
a = this;
a.just(4);
a.set_f1(6);
a.get_sum(result);
val1 = result.first;
System.out.println(val1);
a = new ExtendsChecker();
a.just(4);
a.set_f1(6);
a.get_sum(result);
val1 = result.first;
System.out.println(val1);
}
public void print() {
ExtendsChecker2 a;
a = new ExtendsChecker2();
a.overall_checker();
}
