Java Memory Total getTotalMemory(boolean preRunGarbageCollector)

Description

get Total Memory

License

Open Source License

Declaration

public static long getTotalMemory(boolean preRunGarbageCollector) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

public class Main {
    public static long getTotalMemory(boolean preRunGarbageCollector) {
        Runtime rt = getRuntimeAndRunGC(preRunGarbageCollector);
        return bytesToMegabytes(rt.totalMemory());
    }//from  w ww.  j  av a  2s . c  o m

    public static long getTotalMemory() {
        return bytesToMegabytes(Runtime.getRuntime().totalMemory());
    }

    private static Runtime getRuntimeAndRunGC(boolean preRunGarbageCollector) {
        Runtime rt = Runtime.getRuntime();
        if (preRunGarbageCollector) {
            //long startTime = System.currentTimeMillis();                               //DEBUG
            rt.gc();
            //System.out.println("GC takes "+(System.currentTimeMillis()-startTime)+" ms.");   //DEBUG
        }
        return rt;
    }

    private static long bytesToMegabytes(long bytes) {
        long MEGABYTE = 1024L * 1024L;
        return bytes / MEGABYTE;
    }
}

Related

1. getJvmTotalMemory()
2. getMemoryTotal()
3. getTotalFreeMemory()
4. getTotalMemory()
5. getTotalMemory()
6. getTotalMemoryInKB()
7. getTotalMemoryInMb()
8. jvmTotalMemory(String size, Boolean txtByte)
9. memoryTotal()