/*
	?*?生成指定長度內的隨機字符串
	?*?@params??length?
	?*?return?random?String
	?*/
	public?String?getRandomString(int?length){
		?String?base="abcdefghigklmnopkrstuvwxyzABCDEFGHIGKLMNOPQRSTUVWXYZ0123456789";
		?StringBuilder?sbBuilder?=?new?StringBuilder();
		?Random?random?=?new?Random();
		?int?finalLength?=?random.nextInt(length)?+?1;
		?for(int?i?=?0;?i?<?finalLength;?i++){
			?int?index?=?random.nextInt(base.length());
			?sbBuilder.append(base.charAt(index));
		?}
		?return?sbBuilder.toString();
	}
	
	public?void?testSort2(){
		List<String>?stringlist?=?new?ArrayList<String>();
		Random?random?=?new?Random();
		for(int?i?=?0;?i?<?10;?i++){
			String?string;
			do{
				string?=?getRandomString(10);
			}while(stringlist.contains(string));
			stringlist.add(string);
			System.out.println("成功添加數："?+?string);
		}
		System.out.println("排序前--------------");
		for(String?string:stringlist){
			System.out.print(string?+?",");
		}
		System.out.println();
		System.out.println("排序后--------------");
		Collections.sort(stringlist);
		for(String?string:stringlist){
			System.out.print(string?+?",");
		}
		
	}