Java program to get Environment variables

public class getSystemProperties {

    public static void main(String[] args) {
 
        String os=System.getProperty("os.name");
        System.out.println("Current OS Name: "+os);
 
        String home=System.getProperty("user.home");
        System.out.println("Home directory of Current user : "+home);
 
        String version=System.getProperty("os.version");
        System.out.println("Versio of OS: "+ version);
 
        String arch=System.getProperty("os.arch");
        System.out.println("Architecture of OS: "+ arch);
 
        String jver=System.getProperty("java.version");
        System.out.println("Java Version: "+jver);


        String uname=System.getProperty("user.name");
        System.out.println(uname);
       
    }
}