Here you can find the source of getAndRemove(String key)
public static Iterator<String[]> getAndRemove(String key)
//package com.java2s; /*// w ww . jav a2 s .c o m * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.util.HashMap; import java.util.Iterator; import java.util.Map; public class Main { private static Map<String, Iterator<String[]>> iteratorMap = new HashMap<String, Iterator<String[]>>(); public static Iterator<String[]> getAndRemove(String key) { Iterator<String[]> iter = iteratorMap.get(key); remove(key); return iter; } public static void remove(String key) { iteratorMap.remove(key); } }