Here you can find the source of checkMaxMemory()
public static boolean checkMaxMemory()
//package com.java2s; /****************************************************************************** * * Copyright 2014 Paphus Solutions Inc. * * Licensed under the Eclipse Public License, Version 1.0 (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.//from www . j a v a2 s. c om * ******************************************************************************/ public class Main { public static boolean checkMaxMemory() { return Runtime.getRuntime().totalMemory() >= Runtime.getRuntime().maxMemory(); } }