public static void main(String[] args) {
		for(int i=0;i<500000;i++){
			store.add(SearchDemo.getRandomLengthChiness(3,10));
		}
		long time=System.currentTimeMillis();
		List<String> list=new ArrayList<String>();
		for(String str:store){
			if(str.startsWith("我")){
				list.add(str);
			}
		}
		System.out.println(System.currentTimeMillis()-time);
		System.out.println(list);
	}