Why is there name.hashcode()...?

Question

name is not object of class animal so why here that statement is used...??
anyone can explain??

Answer 1

Hash code is used for string comparison, that code overrides how the hash code is generated, to customize how <name> is compared with other.name. I could be wrong though,

Hth, cmiiw

Answer 2

class Animal {
String name;
Animal(String n) {
name = n;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((name == null) ? 0 : name.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
Animal other = (Animal) obj;
if (name == null) {
if (other.name != null)
return false;
} else if (!name.equals(other.name))
return false;
return true;
}
}