Set ArrayList nested map set loop traversal

 

static void Demo2() {
		HashMap<String,String> mp=new HashMap<>();
		mp.put("zc", "adf");
		mp.put("za", "aas");
		mp.put("zb", "acc");
		HashMap<String,String> mp2=new HashMap<>();
		mp2.put("asd", "111");
		mp2.put("222", "212");
		mp2.put("333", "312");
		
		ArrayList<HashMap<String,String>> array=new ArrayList<>();
		array.add(mp);
		array.add(mp2);	
		
		 for(HashMap<String,String> mapkey:array) {
			 Set<String> s=mapkey.keySet();
			 for(String kk:s ) {
				 String v=mapkey.get(kk);
				 System.out.println(kk+"--"+v);
			 }
			 
		 }	 	 
	}

Output results