public class SetTest {
public static void main(String[] args) {
Set s = new HashSet();
Person p = new Person("person-5");
Person p1 = new Person("person-5");
s.add(p);
s.add(p1);
System.out.println(p.equals(p1));
System.out.println(p.hashCode() == p1.hashCode());
System.out.println(s.size());
for(Object o : s){
Person pp = (Person) o;
//System.out.println(pp.hashCode());
System.out.println(pp.getName());
}
// String str1 = "xxx";
// String str2 = new String("xxx");
// System.out.println(str1==str2);
// s.add(str1);
// s.add(str2);
// System.out.println(s.size());
// for(Object o : s){
// System.out.println(o);
// }
}
}
class Person{
private String name;
public Person(String name){
setName(name);
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public boolean equals(Person p){
if(p != null){
if(p.getName().equals(this.getName())){
return true;
}
}
return false;
}
public int hashCode(){
//return new Integer(getName()).hashCode();
return 100;
}
}