public static void main(String...args) {

	Bittrex wrapper = new Bittrex();
	wrapper.setAuthKeysFromTextFile("keys.txt");

	String rawResponse = wrapper.getMarketSummary("BTC-LTC");
	List<HashMap<String, String>> responseMapList = Bittrex.getMapsFromResponse(rawResponse);
			
	// In some cases, only 1 map is actually returned - if this is assured:
	HashMap<String, String> onlyMap = responseMapList.get(0);
			
	// See available information using present keys
	for(String key : onlyMap.keySet())
				
		System.out.print(key   " ");
			
	System.out.println();		
	
	// Get wanted value using a key found in the KeySet
	onlyMap.get("Volume");
		
	// Some responses have more than 1 map - the List must be traversed in these cases.
	String otherRawResponse = wrapper.getBalances();
	List<HashMap<String, String>> allBalancesMapList = Bittrex.getMapsFromResponse(otherRawResponse);
		
	for(HashMap<String, String> map : allBalancesMapList)
		
		System.out.println(map);
			
	// And then the wanted map can be used
		
	allBalancesMapList.get(3).get("Balance");
}

	// Construct wrapper object with 3 connection attempts, and a 10 second delay between each attempt.
	Bittrex wrapper = new Bittrex(3, 10);
	wrapper.setAuthKeysFromTextFile("keys.txt");

	try {
			
		final String response = wrapper.getBalance("DOGE");
			
		System.out.println(response);
		System.out.println(Bittrex.getMapsFromResponse(response).get(0).get("Balance"));
		System.out.println(Bittrex.getMapsFromResponse(wrapper.getBalance("BTC")).get(0).get("Balance"));
			
	 // If all 3 attempts fail, an unchecked exception is thrown, and can be handled with a simple try/catch.
	} catch (ReconnectionAttemptsExceededException e) {

		System.err.println("Connection failed.");
	}

 - apikey: "key"
 - secret: "secret"