public?void?testSort3(){
		List?<String>?stringList?=?new?ArrayList<String>();
		Random?random?=?new?Random();
		String?allPossible="QWERTYUIOPASDFGHJKLZXCVBNMqwertyuiopasdfghjklzxcvbnm";
			
		for(int?i=0;i<3;i++){??????
			StringBuffer?s=new?StringBuffer();
		????int?k=random.nextInt(10);????//隨機(jī)決定字符串的長(zhǎng)度
		????for(int?j=0;j<k;j++){
			????char?c=s.charAt(random.nextInt(allPossible.length()));
			????s.append(c);?????????????//追加到s之后
		????}
		????String?str=s.toString();
		????stringList.add(str);
		}
		System.out.println("-------------排序前-------------");
		for(String?string:stringList){
			System.out.println("元素："+string);
		}
		Collections.sort(stringList);
		System.out.println("-------------排序后-------------");
		for(String?string:stringList){
			System.out.println("元素："+string);
		}
	}