Java tutorial
//package com.java2s; /* * 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.Arrays; public class Main { public static byte[] growIfNecessary(byte[] array, int minLength, int numAdditionalBytes) { if (array.length >= minLength) { return array; } return Arrays.copyOf(array, minLength + numAdditionalBytes); } public static int[] growIfNecessary(int[] array, int minLength, int numAdditionalInts) { if (array.length >= minLength) { return array; } return Arrays.copyOf(array, minLength + numAdditionalInts); } public static long[] growIfNecessary(long[] array, int minLength, int numAdditionalLongs) { if (array.length >= minLength) { return array; } return Arrays.copyOf(array, minLength + numAdditionalLongs); } }