演示HashSet的使用

/**

 *演示HashSet的使用 

 */

import java.util.HashSet;

import java.util.Set;

public class TestHashSet {

public static void main(String[] args) {
Set<Tiger> set = new HashSet<Tiger>();

set.add(new Tiger("cobi",10));
set.add(new Tiger("cobi",11));
set.add(new Tiger("cobi",10));

System.out.println(set);
}

}

class Tiger{
public String name;
private  int age;

public Tiger(String name, int age) {
super();
this.name = name;
this.age = age;
}

public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}

@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + age;
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())
ret
9824
urn false;
Tiger other = (Tiger) obj;
if (age != other.age)
return false;
if (name == null) {
if (other.name != null)
return false;
} else if (!name.equals(other.name))
return false;
return true;
}

}