java中进行集合排序

/**
 * 按Possibility进行升序Asc排列算法（STRING）
 * @author xu
 *
 */
import java.util.Comparator;

import object01;

//继承Comparator<Object> 重写compare方法
public class ProductCompareAsc implements Comparator<Object> {

public int compare(Object o1, Object o2) {
//object01为list中需要排序的对象
object01 e1 = (object01) o1;
object01 e2 = (object01) o2;
//Possibility为list中需要排序的对象的属性
return e1.getPossibility().compareTo(e2.getPossibility());
}
}



/**
 * 排序调用主类
 * @author xu
 *
 */
import object01;