public class Example {
    public static void main(String[] args) {
        Student s2=new Student();
        s2.rollno=101;
        s2.name="imran";
        System.out.println("rollno = " + s2.rollno);
        System.out.println("name   = " + s2.name);
    }
}

class Student {
    int rollno;
    String name;
}