Post.java

	public static String post( final String url, final String requestBody ) throws IOException, InterruptedException {

		// Create a client (the client can be reused so for performance sensitive code, I wouldn't do this within the method)
		final HttpClient client = HttpClient
				.newBuilder()
				.build();

		// Construct a request to submit
		final HttpRequest request = HttpRequest
				.newBuilder()
				.uri( URI.create( url ) )
				.POST( BodyPublishers.ofString( requestBody, StandardCharsets.UTF_8 ) )
				.build();

		// Submit the request
		final HttpResponse<String> response = client.send( request, HttpResponse.BodyHandlers.ofString( StandardCharsets.UTF_8 ) );
		return response.body();
	}