Here you can find the source of printMemory(String str)
public static void printMemory(String str)
//package com.java2s; /*//from w w w . j a va 2 s . c o m * Copyright 2006-2014 ICEsoft Technologies Inc. * * 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 { private static long lastMemUsed = 0; public static void printMemory(String str) { long total = Runtime.getRuntime().totalMemory(); long free = Runtime.getRuntime().freeMemory(); long used = total - free; System.out.println("MEM " + str + " used: " + (used / 1024) + " KB delta: " + ((used - lastMemUsed) / 1024) + " KB"); lastMemUsed = used; } }