Scanner Class in java

/* Simple intro of a student using Scanner class in java */


import java.util.*;

class Student
{
    public static void main(String[] args)
    {
        int roll;
        String name,branch;
        Scanner s=new Scanner(System.in);
        System.out.println("Enter roll number : ");
        roll=s.nextInt();
//         System.out.println("Enter marks number : ");
//         float f=s.nextFloat();
        System.out.println("Enter branch of the student : ");
        branch=s.next();
        System.out.println("Enter name of the student : ");
        name=s.next();
        System.out.println("Name is :"+name);
        System.out.println("Branch is : "+branch);
        System.out.println("Roll no is : "+roll);
        
    }
}

output


Enter roll number : 
21
Enter branch of the student : 
cse
Enter name of the student : 
sanjay 
Name is :sanjay
Branch is : cse
Roll no is : 21