Here you can find the source of average(int[] pixels)
public static int average(int[] pixels)
//package com.java2s; /*/*from w ww. j a va 2s . c o m*/ * Copyright (C) 2012 www.amsoft.cn * * 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 average(int[] pixels) { float m = 0; for (int i = 0; i < pixels.length; ++i) { m += pixels[i]; } m = m / pixels.length; return (int) m; } public static int average(double[] pixels) { float m = 0; for (int i = 0; i < pixels.length; ++i) { m += pixels[i]; } m = m / pixels.length; return (int) m; } }