Sample Program

 import java.util.Scanner;
          class CheckEvenOdd
          {
            public static void main(String args[])
            {
              int num;
              System.out.println("Enter an Integer number:");
          
              //The input provided by user is stored in num
              Scanner input = new Scanner(System.in);
              num = input.nextInt();
          
              /* If number is divisible by 2 then it's an even number
                            * else odd number*/
              if ( num % 2 == 0 )
                  System.out.println("Entered number is even");
               else
                  System.out.println("Entered number is odd");
            }