Java tutorial
//package com.java2s; /** * Copyright (c) 2015-present, Facebook, Inc. * All rights reserved. * * This source code is licensed under the BSD-style license found in the * LICENSE file in the root directory of this source tree. An additional grant * of patent rights can be found in the PATENTS file in the same directory. */ import java.util.Locale; public class Main { private static final String OPEN_STACK_FRAME_URL_FORMAT = "http://%s/open-stack-frame"; private static String createOpenStackFrameURL(String host) { return String.format(Locale.US, OPEN_STACK_FRAME_URL_FORMAT, host); } }