student.java

加密解密技巧

package com.collection;

import java.util.Random;

public class Student {
	private String name;
	private int age;
	@Override
	public int hashCode() {
		System.out.println("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) {
		boolean flag = false;
		Student temp = (Student)obj;
		if(this.age == temp.age && this.name.equals(temp.name)){
			flag = true;
		}
		return flag;
	}
	public int getAge() {
		return age;
	}
	public void setAge(int age) {
		this.age = age;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	
}