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Get Available Processors using Java Runtime Example

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  1. /*
  2.         Get Available Processors using Java Runtime Example
  3.         This Java example shows how to get number of processors
  4.         available to current Java Virtual Machine (JVM).
  5. */
  6. public class GetAvailableProcessors {
  7.        
  8.         public static void main(String args[])
  9.         {
  10.                 /*
  11.                  * get current Java Runtime using getRuntime()
  12.                  * method of Runtime class.
  13.                  */
  14.                 Runtime runtime = Runtime.getRuntime();
  15.                
  16.                 /*
  17.                  * use availableProcessors method to determine
  18.                  * how many processors are available to the Java Virtual
  19.                  * Machine (JVM).
  20.                  */
  21.                  
  22.                  int numberOfProcessors = runtime.availableProcessors();
  23.                  
  24.                  System.out.println(numberOfProcessors + " processor available to JVM");
  25.         }
  26. }
  27.  
  28. /*
  29. Typical output of this program would be,
  30. 1 processor available to JVM
  31. */