Here you can find the source of hashCode(byte[] obj)
public static int hashCode(byte[] obj)
//package com.java2s; /**************************************************************************** * Copyright 2009-2014 Jean-Philippe Gravel, P. Eng. CSDP * //www.j a va2 s . c o m * 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. ***************************************************************************/ import java.util.Arrays; public class Main { public static int hashCode(byte[] obj) { if (obj == null) return 0; return Arrays.hashCode(obj); } public static int hashCode(Object obj) { if (obj == null) return 0; return obj.hashCode(); } }