Java Memory Available getAvailableMemory()

Description

Gets the available memory.

License

Open Source License

Return

the available memory

Declaration

public static long getAvailableMemory() 

Method Source Code

//package com.java2s;
/*/* ww w.ja va2  s.c o  m*/
This file is part of PSFj.
    
PSFj is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
PSFj is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with PSFj.  If not, see <http://www.gnu.org/licenses/>. 
    
   Copyright 2013,2014 Cyril MONGIS, Patrick Theer, Michael Knop
       
 */

public class Main {
    /**
     * Gets the available memory.
     *
     * @return the available memory
     */
    public static long getAvailableMemory() {

        Runtime runtime = Runtime.getRuntime();

        int max = (int) (runtime.maxMemory() / 1024 / 1024);
        int total = (int) (runtime.totalMemory() / 1024 / 1024);
        int free = (int) (runtime.freeMemory() / 1024 / 1024);

        free = free + max - total;

        int used = max - free;

        return free;

    }
}

Related

1. availableMemory()
2. availableMemory()
3. availableMemory()
4. availableMemoryPercent()
5. getAvailableMemory()
6. getAvailableMemory()
7. getAvailableMemory()
8. getAvailableMemoryFraction()