@Override
public int hashCode() {
int hashFirst = first != null ? first.hashCode() : 0;
int hashSecond = second != null ? second.hashCode() : 0;
return (hashFirst + hashSecond) * hashSecond + hashFirst;
}
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((a == null) ? 0 : a.hashCode());
result = prime * result + ((b == null) ? 0 : b.hashCode());
return result;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((fst == null) ? 0 : fst.hashCode());
result = prime * result + ((snd == null) ? 0 : snd.hashCode());
return result;
}
@Override
public int hashCode() {
int result = hashCode;
if (result == 0) {
result = c != null ? c.hashCode() : 0;
result = result * 37 + (d != null ? d.hashCode() : 0);
hashCode = result;
}
return result;
}
@Override
public int hashCode() {
int result = super.hashCode;
if (result == 0) {
result = unknownFields().hashCode();
result = result * 37 + (c != null ? c.hashCode() : 0);
result = result * 37 + (d != null ? d.hashCode() : 0);
super.hashCode = result;
}
return result;
}
public static void main(String args[]) {
System.out.println("Inheritance Main");
A a = new A();
A b = new B();
A c = new C();
// B a1 = new A();
B b1 = new B();
B c1 = new C();
// C a2 = new A();
// C b2 = new B();
C c2 = new C();
System.out.println(a.hashCode());
a.sum();
a.sub();
System.out.println(b.hashCode());
b.sum();
b.sub();
System.out.println(c.hashCode());
c.sum();
c.sub();
System.out.println(b1.hashCode());
b1.sum();
b1.sub();
System.out.println(c1.hashCode());
c1.sum();
c1.sub();
System.out.println(c2.hashCode());
c2.sum();
c2.sub();
}
@Override
public int hashCode() {
return 31 * (fst != null ? fst.hashCode() : 0) + (snd != null ? snd.hashCode() : 0);
}
@Override
public int hashCode() {
return (a == null ? 0 : a.hashCode()) + (b == null ? 0 : b.hashCode());
}
public int hashCode() {
if (fst == null) return (snd == null) ? 0 : snd.hashCode() + 1;
else if (snd == null) return fst.hashCode() + 2;
else return fst.hashCode() * 17 + snd.hashCode();
}
@Override
public int hashCode() {
// Hash is an exclusive-OR of both hashes.
return left.hashCode() ^ right.hashCode();
}
@Override
public int hashCode() {
return (a.hashCode() << 7) ^ b.hashCode();
}
@Override
public int hashCode() {
int result = first != null ? first.hashCode() : 0;
result = 31 * result + (second != null ? second.hashCode() : 0);
return result;
}
public int hashCode() {
if (first == null) return (second == null) ? 0 : second.hashCode() + 1;
else if (second == null) return first.hashCode() + 2;
else return first.hashCode() * 17 + second.hashCode();
}