package com.telephonebook;

import java.util.Comparator;
/**
 * 
 * 實現comparator接口，重寫compare()方法
 * 用于按照性別進行排序
 *
 */
public class SexCompare implements Comparator<Person>{

	@Override
	public int compare(Person p1, Person p2) {
		
		return p1.getSex().compareToIgnoreCase(p2.getSex());
	}

}