Determine operating system using System class

/*
	Determine operating system using System class
	This example shows how to determine the operatng system
	JVM is running on.
*/
 
 
public class DetermineOS {
 
	public static void main(String[] args) {
 
		/*
		 * Get os.name system property using 
		 * public static String getProperty(String name) method of 
		 * System class.
		 */
 
		 String strOSName = System.getProperty("os.name");
 
		 System.out.print("Get OS name example.. OS is ");
		 if(strOSName != null)
		 {
		 	if(strOSName.toLowerCase().indexOf("windows") != -1)
		 		System.out.println("Windows");
		 	else 
		 		System.out.print("not windows");
		 }
	}
}
 
/*
If executed on windows, Output would be
Get OS name example.. OS is Windows
*/