Check Even, Odd & Prime Number using Java

import java.util.Scanner;
import java.io.BufferedReader;
import java.io.InputStreamReader;
class EvenOddPrime
{
    public static void main(String args[]) throws Exception
    {
        BufferedReader in = new BufferedReader(new InputStreamReader(System. in ));
        System.out.println("1-Check even or odd number");
        System.out.println("2-Check prime number or not");
        System.out.println();
        System.out.print("Select any option: ");
        int select = Integer.parseInt( in .readLine());
        switch (select)
        {
            case 1:
                int num;
                System.out.print("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");
                break;
            case 2:
                int temp;
                boolean isPrime = true;
                Scanner scan = new Scanner(System. in );
                System.out.print("Enter an integer number: ");
                //capture the input in an integer
                int numb = scan.nextInt();
                for (int i = 2; i <= numb / 2; i++)
                {
                    temp = numb % i;
                    if (temp == 0)
                    {
                        isPrime = false;
                        break;
                    }
                }
                //If isPrime is true then the number is prime else not
                if (isPrime) System.out.println(numb + " is a Prime Number");
                else System.out.println(numb + " is not a Prime Number");
        }
    }
}