Here you can find the source of trimToSize(List> listToTrim, int size)
public static void trimToSize(List<?> listToTrim, int size)
//package com.java2s; /******************************************************************************* * Copyright (c) 2014 BestSolution.at and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors://w w w . java2 s . c o m * Tom Schindl <tom.schindl@bestsolution.at> - initial API and implementation *******************************************************************************/ import java.util.List; public class Main { public static void trimToSize(List<?> listToTrim, int size) { listToTrim.subList(size, listToTrim.size()).clear(); } }