public?void?testSort3()?{
		List<String>stringList?=?new?ArrayList<String>();
		Random?random?=?new?Random();	
		for(?int?j=0;j<10;?j++)?{
			StringBuffer?sb?=new?StringBuffer();
			do{		
				int?m?=?random.nextInt(11);
				for?(int?i?=?0;?i?<?m;?i++)?{
					String?str?="qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM1234567890";
					int?n?=?random.nextInt(str.length());
					sb.append(str.charAt(n));
				}
			}while(stringList.contains(sb.toString()));
//			System.out.println("將要添加的字符串:"+sb);
			stringList.add(sb.toString());
		}
		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);
		}	
	}