package chanyonglei;
public class Person extends Object{
String name;
int age;
public Person(String name, int age) {
super();
this.name = name;
this.age = age;
}
@Override
public String toString() {
return "Person [name=" + name + ", 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())
return false;
Person other = (Person) 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;
}
}
package chanyonglei;
public class Test {
public static void main(String[] args) {
Person p=new Person("张飞", 18);
Person p1=new Person("张飞", 18);
System.out.println(p.hashCode());
System.out.println(p1.hashCode());
if(p.equals(p1)){
System.out.println("相等");
}else{
System.out.println("不相等");
}
}
}
