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Determine operating system using System class

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  1. /*
  2.         Determine operating system using System class
  3.         This example shows how to determine the operatng system
  4.         JVM is running on.
  5. */
  6.  
  7.  
  8. public class DetermineOS {
  9.  
  10.         public static void main(String[] args) {
  11.                
  12.                 /*
  13.                  * Get os.name system property using
  14.                  * public static String getProperty(String name) method of
  15.                  * System class.
  16.                  */
  17.                  
  18.                  String strOSName = System.getProperty("os.name");
  19.                  
  20.                  System.out.print("Get OS name example.. OS is ");
  21.                  if(strOSName != null)
  22.                  {
  23.                         if(strOSName.toLowerCase().indexOf("windows") != -1)
  24.                                 System.out.println("Windows");
  25.                         else
  26.                                 System.out.print("not windows");
  27.                  }
  28.         }
  29. }
  30.  
  31. /*
  32. If executed on windows, Output would be
  33. Get OS name example.. OS is Windows
  34. */