Here you can find the source of max(int[] data)
public static double max(int[] data)
//package com.java2s; /*/*from w w w . jav a 2 s . c om*/ This code is licensed under the LGPL v3 or greater with the classpath exception, with the following additions and exceptions. packages cern.* have retained the original cern copyright notices. packages at.mabs.cmdline and at.mabs.util.* have the option to be licensed under a BSD(simplified) or Apache 2.0 or greater license in addition to LGPL. Note that you have permission to replace this license text to any of the permitted licenses. Main text for LGPL can be found here: http://www.opensource.org/licenses/lgpl-license.php For BSD: http://www.opensource.org/licenses/bsd-license.php for Apache: http://www.opensource.org/licenses/apache2.0.php classpath exception: http://www.gnu.org/software/classpath/license.html */ public class Main { public static double max(int[] data) { int max = -Integer.MAX_VALUE; for (int i : data) max = Math.max(max, i); return max; } }