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将填充添加到给定的数组，以便生成具有给定长度的新数组。
//package com.nowjava; import java.util.Arrays;// from n o w j a v a . c o m public class Main { public static void main(String[] argv) throws Exception { byte[] array = new byte[] { 34, 35, 36, 37, 37, 37, 67, 68, 69 }; byte value = 2; int newLength = 2; System.out.println(java.util.Arrays.toString(padArray(array, value, newLength))); } /** * Adds a padding to the given array, such that a new array with the given * length is generated. * * @param array * the array to be padded. * @param value * the padding value. * @param newLength * the new length of the padded array. * @return the array padded with the given value. */ public static byte[] padArray(byte[] array, byte value, int newLength) { int length = array.length; int paddingLength = newLength - length; /* from n o w j a v a . c o m - 时 代 Java*/ if (paddingLength < 1) { return array; } else { byte[] padding = new byte[paddingLength]; Arrays.fill(padding, value); return concatenate(array, padding); } } /** * Concatenates two byte arrays. * * @param a * the first array. * @param b * the second array. * @return the concatenated array. */ public static byte[] concatenate(byte[] a, byte[]