package com.chris.collection;
　　import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Random;
　　public class TestContainsSort {
public static void main(String[] args) { // TODO Auto-generated method stub TestContainsSort tcs=new TestContainsSort(); tcs.testSort();}public void testSort(){ List<String> stringList=new ArrayList<String>(); // ASCII中：数字（48~57）大小字母（65~90）小写字母（97~122） String str; for(int t=0;t<10;t++){ Random random=new Random(); int size; do{ size=random.nextInt(10); }while(size<1); char []chararray=new char[size]; for(int i=0;i<size;i++){ char ch; int num; do{ num=random.nextInt(122); }while(num<48||(num>57&&num<65)||(num>90&&num<97)); ch=(char) num; chararray[i]=ch; } str=String.valueOf(chararray); System.out.println("添加的字符串："+str); stringList.add(str); } System.out.println("------------排序前-------------"); for (String string : stringList) { System.out.println(string); } System.out.println("------------排序后-------------"); Collections.sort(stringList);//Collection.sort(stringList); for (String string : stringList) { System.out.println(string); }}　　}