Here you can find the source of copyOf(byte[] bytes)
public static byte[] copyOf(byte[] bytes)
//package com.java2s; //License from project: Apache License public class Main { public static byte[] copyOf(byte[] bytes) { return copyOfRange(bytes, 0, bytes.length); }/*from w w w . ja v a 2s . c o m*/ public static byte[] copyOfRange(byte[] bytes, int offset, int len) { byte[] result = new byte[len]; System.arraycopy(bytes, offset, result, 0, len); return result; } }