Method remove

src/main/java/bftsmart/demo/map/MapClient.java:71–96

(Object key)

	}

	@Override
	public V remove(Object key) {
		byte[] rep;
		try {
			MapMessage<K,V> request = new MapMessage<>();
			request.setType(MapRequestType.REMOVE);
			request.setKey(key);

			//invokes BFT-SMaRt
			rep = serviceProxy.invokeOrdered(MapMessage.toBytes(request));
		} catch (IOException e) {
			System.out.println("Failed to send REMOVE request: " + e.getMessage());
			return null;
		}
		if (rep.length == 0) {
			return null;
		}

		try {
			MapMessage<K,V> response = MapMessage.fromBytes(rep);
			return  response.getValue();
		} catch (ClassNotFoundException | IOException ex) {
			System.out.println("Failed to deserialized response of PUT request: " + ex.getMessage());
			return null;
		}
	}

	@Override
	public int size() {