Use of Simple if Statement in Java

//https://csprograms4u.blogspot.com/

//Chapter 2

//Program 1

//Arithmetic Operators

import java.util.Scanner;

public class SimpleIf

{

    public static void main(String args[])

    {

        Scanner sc=new Scanner(System.in);

        int n;

        System.out.println("Enter age");

        n=sc.nextInt();

        if(n>=18)

        {

            System.out.println("Person is eligible to vote");

        }

    }

}