Here you can find the source of zero(byte[]... arrays)
public static void zero(byte[]... arrays)
//package com.java2s; /*-// w w w . j a v a 2s .c o m * Copyright (C) 2006-2007 Erik Larsson * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ public class Main { public static void zero(byte[]... arrays) { for (byte[] ba : arrays) set(ba, 0, ba.length, (byte) 0); } public static void zero(byte[] ba, int offset, int length) { set(ba, offset, length, (byte) 0); } public static void zero(short[]... arrays) { for (short[] array : arrays) set(array, 0, array.length, (short) 0); } public static void zero(short[] ba, int offset, int length) { set(ba, offset, length, (short) 0); } public static void zero(int[]... arrays) { for (int[] array : arrays) set(array, 0, array.length, (int) 0); } public static void zero(int[] ba, int offset, int length) { set(ba, offset, length, (int) 0); } public static void zero(long[]... arrays) { for (long[] array : arrays) set(array, 0, array.length, (long) 0); } public static void zero(long[] ba, int offset, int length) { set(ba, offset, length, (long) 0); } public static void set(boolean[] array, boolean value) { set(array, 0, array.length, value); } public static void set(byte[] array, byte value) { set(array, 0, array.length, value); } public static void set(short[] array, short value) { set(array, 0, array.length, value); } public static void set(char[] array, char value) { set(array, 0, array.length, value); } public static void set(int[] array, int value) { set(array, 0, array.length, value); } public static void set(long[] array, long value) { set(array, 0, array.length, value); } public static <T> void set(T[] array, T value) { set(array, 0, array.length, value); } public static void set(boolean[] ba, int offset, int length, boolean value) { for (int i = offset; i < length; ++i) ba[i] = value; } public static void set(byte[] ba, int offset, int length, byte value) { for (int i = offset; i < length; ++i) ba[i] = value; } public static void set(short[] ba, int offset, int length, short value) { for (int i = offset; i < length; ++i) ba[i] = value; } public static void set(char[] ba, int offset, int length, char value) { for (int i = offset; i < length; ++i) ba[i] = value; } public static void set(int[] ba, int offset, int length, int value) { for (int i = offset; i < length; ++i) ba[i] = value; } public static void set(long[] ba, int offset, int length, long value) { for (int i = offset; i < length; ++i) ba[i] = value; } public static <T> void set(T[] ba, int offset, int length, T value) { for (int i = offset; i < length; ++i) ba[i] = value; } }