FreeSpace

import java.io.IOException;

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/**
 *
 * @author Subhani.s
 */
public class freespace
{
    public static void main(String args[]) throws IOException
    {
      //1.  Runtime.getRuntime().exec("C:\\Program Files\\Mozilla Firefox\\firefox.exe");
    System.out.println( "Free Memory: "+   Runtime.getRuntime().freeMemory());
    System.out.println( "Total Memory: "+ Runtime.getRuntime().totalMemory());
    System.out.print( "Used Memory: ");
    System.out.println (Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory());
   
    }
   
}