Java Memory Available getAvailableMemorySize()

Description

Get available memory size

License

Open Source License

Return

long

Declaration

public static long getAvailableMemorySize() 

Method Source Code

//package com.java2s;

public class Main {
    /**/*from   w  ww . ja  va 2 s .c om*/
     *
     * Get available memory size
     *
     * @return long
     */
    public static long getAvailableMemorySize() {
        long maxMemorySize = 512 * 1024 * 1024;
        if (Runtime.getRuntime().maxMemory() > maxMemorySize) {
            maxMemorySize = Runtime.getRuntime().maxMemory();
        }
        long freeMemorySize = Runtime.getRuntime().freeMemory();
        long totalMemorySize = Runtime.getRuntime().totalMemory();
        long usedMemorySize = totalMemorySize - freeMemorySize;
        return maxMemorySize - usedMemorySize;
    }
}

Related

1. getAvailableMemory()
2. getAvailableMemory()
3. getAvailableMemory()
4. getAvailableMemory()
5. getAvailableMemoryFraction()