Simple program of Student Details in Java

import java.util.*;
class Student
{
    public static void main(String surat[])
    {
        Scanner s1=new Scanner(System.in);
        System.out.print("Enter The Roll Number -->>: ");
        int rn=s1.nextInt();
        System.out.print("Enter The Name-->>: ");
        String name=s1.next();
        System.out.print("Enter The Age -->>: ");
        int age=s1.nextInt();
        System.out.print("Enter The Gender -->>: ");
        String gen=s1.next();
        System.out.print("Enter The Email ID -->>: ");
        String Email=s1.next();
        System.out.print("Enter The Mobile Number -->>: ");
        String mo=s1.next();
        System.out.print("Enter The Address -->>: ");
        String add=s1.next();
        System.out.print("Enter The City -->>: ");
        String city=s1.next();
        System.out.print("Enter The State -->>: ");
        String stat=s1.next();
        System.out.print("Enter The Standard -->>: ");
        String std=s1.next();
        System.out.print("Enter The Marks of Sub1 -->>: ");
        int sub1=s1.nextInt();
        System.out.print("Enter The Marks of Sub2 -->>: ");
        int sub2=s1.nextInt();
        System.out.print("Enter The Marks of Sub3 -->>: ");
        int sub3=s1.nextInt();
        int total=sub1+sub2+sub3;
        int avg=total/3;
       
        System.out.println("Roll Number : "+rn);
        System.out.println("Name : "+name);
        System.out.println("Age : "+age);
        System.out.println("Gender : "+gen);
        System.out.println("Email ID : "+Email);
        System.out.println("Address : "+add);
        System.out.println("City : "+city);
        System.out.println("State : "+stat);
        System.out.println("Standard : "+std);
        System.out.println("Subject1 : "+sub1);
        System.out.println("Subject2 : "+sub2);
        System.out.println("Subject3 : "+sub3);
        System.out.println("Total : "+total);
        System.out.println("Average : "+avg);
    }
}

Output: