Here you can find the source of dumpMemory()
public static void dumpMemory()
//package com.java2s; /*// w w w . j a v a 2 s. c om * This file is part of the ContentServer project. * Visit the websites for more information. * - http://gdz.sub.uni-goettingen.de * - http://www.intranda.com * - http://www.digiverso.com * * Copyright 2009, Center for Retrospective Digitization, G?ttingen (GDZ), * intranda software * * This is the extended version updated by intranda * Copyright 2012, intranda GmbH * * 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. */ public class Main { public static void dumpMemory() { System.out.println("\n" + "Max. memory: " + Runtime.getRuntime().maxMemory() / 1024 / 1024 + " MB" + "\n" + "Tot. memory: " + Runtime.getRuntime().totalMemory() / 1024 / 1024 + " MB" + "\n" + "Free memory: " + Runtime.getRuntime().freeMemory() / 1024 / 1024 + " MB"); } }