Java tutorial
//package com.java2s; /* * Copyright (c) 2014-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.Iterator; public class Main { public static String nextOptionalArg(Iterator<String> argsIter, String defaultValue) { return argsIter.hasNext() ? argsIter.next() : defaultValue; } }