对list中存放的字符串组排序

package com.John.list;

import java.util.ArrayList;

import java.util.List;

/**

* 对list中存放的字符串组，按照字符串数组的最后一个元素必须为数字，按照数字的大小，对每一个字符串数组进行排序

* @author John

*

*/

public class ListSortDemo {

public List sortList(List list) {

System.out.println("list长度:" + list.size());

for (int i = 0; i < list.size() - 1; i++) {

// System.out.println("i的值" + i);

for (int j = i + 1; j < list.size(); j++) {

// System.out.println("j的值" + j);

String[] arr1 = list.get(i);

String[] arr2 = list.get(j);

int arrLength = arr1.length;

if (Integer.parseInt(arr1[arrLength - 1]) < Integer

.parseInt(arr2[arrLength - 1])) {

list.add(i, arr2);

list.add(j, arr1);

list.remove(i + 3);

list.remove(j + 1);

}

}

}

return list;

}

public static void main(String[] args) {

ListSortDemo l = new ListSortDemo();

List list = new ArrayList();

String[] str1 = { "nihao", "1" };

String[] str2 = { "hello", "3" };

String[] str3 = { "world", "2" };

String [] str4 = {"hello", "1"};

list.add(0, str1);

list.add(1, str2);

list.add(2, str3);

list.add(3, str4);

System.out.println("源List :");

for (String[] elem : list) {

for (String elem1 : elem) {

System.out.print(elem1 + ", ");

}

System.out.println();

}

List sortedList = l.sortList(list);

System.out.println("排序后的list");

for (String[] elem : sortedList) {

for (String elem1 : elem) {

System.out.print(elem1 + ", ");

}

System.out.println();

}

}

}