Here you can find the source of hashCode(long[] a, int fromIndex, int toIndex)
public static int hashCode(long[] a, int fromIndex, int toIndex)
//package com.java2s; /*/*from w w w . jav a 2 s .c o m*/ * Druid - a distributed column store. * Copyright 2012 - 2015 Metamarkets Group Inc. * * 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 int hashCode(long[] a, int fromIndex, int toIndex) { int hashCode = 1; int i = fromIndex; while (i < toIndex) { long v = a[i]; hashCode = 31 * hashCode + (int) (v ^ (v >>> 32)); ++i; } return hashCode; } public static int hashCode(float[] a, int fromIndex, int toIndex) { int hashCode = 1; int i = fromIndex; while (i < toIndex) { hashCode = 31 * hashCode + Float.floatToIntBits(a[i]); ++i; } return hashCode; } public static int hashCode(double[] a, int fromIndex, int toIndex) { int hashCode = 1; int i = fromIndex; while (i < toIndex) { long v = Double.doubleToLongBits(a[i]); hashCode = 31 * hashCode + (int) (v ^ (v >>> 32)); ++i; } return hashCode; } }