public static void testMap(){
		HashMap<String, String> map = new HashMap<String, String>();
		HashMap<String, String> map1 = new HashMap<String, String>();
		HashMap<String, String> map2= new HashMap<String, String>();
		HashMap<String, String> map3 = new HashMap<String, String>();
		
		HashMap<String, String> map4 = new HashMap<String, String>();
		HashMap<String, String> map5 = new HashMap<String, String>();
		
		HashMap<String, String> map6 = new HashMap<String, String>();
		HashMap<String, String> map7 = new HashMap<String, String>();
		HashMap<String, String> map9 = new HashMap<String, String>();
		HashMap<String, String> map8 = new HashMap<String, String>();
		HashMap<String, String> map10 = new HashMap<String, String>();
		HashMap<String, String> map11 = new HashMap<String, String>();
		HashMap<String, String> map12 = new HashMap<String, String>();
		HashMap<String, String> map13 = new HashMap<String, String>();
		HashMap<String, String> map14 = new HashMap<String, String>();
		HashMap<String, String> map15 = new HashMap<String, String>();
		HashMap<String, String> map16 = new HashMap<String, String>();
		HashMap<String, String> map17 = new HashMap<String, String>();
		HashMap<String, String> map18 = new HashMap<String, String>();
		HashMap<String, String> map19 = new HashMap<String, String>();
		HashMap<String, String> map20 = new HashMap<String, String>();
		
		for(int i = 0 ; i < 15000000; i++){
			
			map.put(String.valueOf(i), "sdaf");
//			map1.put(String.valueOf(i), "11");
//			map2.put(String.valueOf(i), "11");
//			map3.put(String.valueOf(i), "11");
//			
//			map4.put(String.valueOf(i), "11");
//			map5.put(String.valueOf(i), "11");
//			
//			map6.put(String.valueOf(i), "11");
//			map7.put(String.valueOf(i), "11");
//			
//			map8.put(String.valueOf(i), "11");
//			map9.put(String.valueOf(i), "11");
//			map10.put(String.valueOf(i), "11");
//			
//			map11.put(String.valueOf(i), "11");
//			map12.put(String.valueOf(i), "11");
//			map13.put(String.valueOf(i), "11");
//			map14.put(String.valueOf(i), "11");
//			map15.put(String.valueOf(i), "11");
//			map16.put(String.valueOf(i), "11");
//			
//			map17.put(String.valueOf(i), "11");
//			map18.put(String.valueOf(i), "11");
//			map19.put(String.valueOf(i), "11");
//			map20.put(String.valueOf(i), "11");
		}
		
		System.out.println("haha");
	}