Here you can find the source of copyOfRange(final byte[] array, final int startIndex, final int endIndex)
public static byte[] copyOfRange(final byte[] array, final int startIndex, final int endIndex)
//package com.java2s; /* /*from w ww . j ava2s . c o m*/ * Copyright 2014 Igor Maznitsa (http://www.igormaznitsa.com). * * Licensed 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. */ public class Main { public static byte[] copyOfRange(final byte[] array, final int startIndex, final int endIndex) { int len = endIndex - startIndex; if (len <= 0) { return new byte[0]; } final byte[] result = new byte[len]; System.arraycopy(array, startIndex, result, 0, len); return result; } }