Here you can find the source of truncate(int[] array, int maxLen)
public static int[] truncate(int[] array, int maxLen)
//package com.java2s; /*/* w w w .jav a 2 s . c o m*/ * Copyright (c) 2011, the Dart project authors. * * Licensed under the Eclipse Public License v1.0 (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.eclipse.org/legal/epl-v10.html * * 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[] truncate(int[] array, int maxLen) { if (array.length < maxLen) { return array; } int[] result = new int[maxLen]; System.arraycopy(array, 0, result, 0, maxLen); return result; } }