Cmdln: Input and display: name, univRollNo, course, sem from cmdline

/* Input and display: name, univRollNo, course, sem from cmdline */

class Cmdln{
    public static void main(String args[]){
        String name;
        Integer univRollNo;
        String course;
        Integer sem;
        try{
            name = args[0];
            univRollNo = Integer.parseInt(args[1]);
            course = args[2];
            sem = Integer.parseInt(args[3]);
        } catch(Exception e){
            System.out.println("Invalid input arguments");
            return;
        }

        System.out.println(name);
        System.out.println(univRollNo.toString());
        System.out.println(course);
        System.out.println(sem.toString());
    }
}