integercompare.java

电话本小系统

package com.telephonebook;

import java.util.Comparator;
/**
实现comparator接口，重写compare()方法
* 用于按照年龄进行排序
*/
public class IntegerCompare implements Comparator<Person>{

	@Override
	public int compare(Person p1, Person p2) {
		
		return new Integer(p1.getAge()).compareTo(new Integer(p2.getAge()));
	}

}