Here you can find the source of truncateEnd(List> list, int numElements)
public static void truncateEnd(List<?> list, int numElements)
//package com.java2s; /*-------------------------------------------------------------------------+ | | | Copyright 2005-2011 The ConQAT Project | | | | 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. | +-------------------------------------------------------------------------*/ import java.util.List; public class Main { /**/*ww w . ja v a2s .c o m*/ * Truncates the given list by removing elements from the end such that * numElements entries remain. If the list has less than numElements * entries, it remains unchanged. Thus, this method ensures that the size of * the list is <= numElements. */ public static void truncateEnd(List<?> list, int numElements) { if (list.size() > numElements) { list.subList(numElements, list.size()).clear(); } } }