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Get Total Memory of Java Virtual Machine(JVM) Example

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  1. /*
  2.         Get Total Memory of Java Virtual Machine(JVM) Example
  3.         This Java example shows how to get amount of total memory
  4.         in the Java Virtual Machine(JVM) using totalMemory method
  5.         of Java Runtime class.
  6. */
  7. public class GetTotalMemory {
  8.  
  9.         public static void main(String args[])
  10.         {
  11.                 /*
  12.                  * get current Java Runtime using getRuntime()
  13.                  * method of Runtime class.
  14.                  */
  15.                 Runtime runtime = Runtime.getRuntime();
  16.                
  17.                 /*
  18.                  * To determine amount of total memory available to current
  19.                  * Java Virtual Machine(JVM), use
  20.                  *
  21.                  * long totalMemory()
  22.                  * method of Runtime class.
  23.                  */
  24.                  
  25.                  long totalMemory = runtime.totalMemory();
  26.                  
  27.                  System.out.println(totalMemory + " bytes total in JVM");
  28.         }
  29.        
  30.        
  31. }
  32.  
  33. /*
  34. Typical output would be
  35. 5177344 bytes total in JVM
  36. */