public?class?CollectiongTest?{
	
	
	/**
	?*?Integer排序
	?*/
	public?void?testSort1(){
		List<Integer>?integerList?=?new?ArrayList<Integer>();
		Random?random?=?new?Random();
		Integer?k;
		for(int?i=0;i<10;i++){
			do{
				k?=?random.nextInt(100);
			}while(integerList.contains(k));
			integerList.add(k);
		}
		System.out.println("------------排序前-----------");
		for(Integer?integer:integerList){
			System.out.println("包含數字:"+integer);
		}
		Collections.sort(integerList);
		System.out.println("------------排序后-----------");
		for(Integer?integer:integerList){
			System.out.println("包含數字:"+integer);
		}
		
	}
	/**
	?*?字符串排序
	?*/
	public?void?testSort2(){
		List<String>?stringList?=?new?ArrayList<String>();
		stringList.add("microsoft");
		stringList.add("apple");
		stringList.add("google");
		stringList.add("huawei");
		System.out.println("------------排序前-----------");
		for(String?string:stringList)
			System.out.println("包含字符串："+string);
		Collections.sort(stringList);
		System.out.println("------------排序后-----------");
		for(String?string:stringList)
			System.out.println("包含字符串："+string);
	}
	/**
	?*?字符串排序
	?*/
	//?隨機生成長度不等的字符串
	public?void?testSort3(){
		List<String>?stringList?=?new?ArrayList<String>();
		Random?random?=?new?Random();
		Integer?k;
		for(int?i=0;i<10;i++){
			do{
				k?=?random.nextInt(10);
			}while(k?==?0);
			String?temp?=?testString(k);
			stringList.add(temp);
		}
		System.out.println("------------排序前-----------");
		for(String?string:stringList)
			System.out.println("包含字符串："+string);
		Collections.sort(stringList);
		System.out.println("------------排序后-----------");
		for(String?string:stringList)
			System.out.println("包含字符串："+string);
		
	}
	//?方法返回長度不等的字符串
	public?String?testString(Integer?count){
		String?str?=?"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
		StringBuffer?sb?=?new?StringBuffer();
		int?length?=?str.length();
		Random?random?=?new?Random();
		for(int?i=0;i<count;i++){
			int?num?=?random.nextInt(length);
			sb.append(str.charAt(num));
		}
		String?temp?=?sb.toString();
		return?temp;
	}

	public?static?void?main(String[]?args)?{
		CollectiongTest?ct?=?new?CollectiongTest();
//		ct.testSort1();
//		ct.testSort2();
		ct.testSort3();

	}

}