Reverses and checks if number is 0 or non integer or out of range

reverseint.java

// Java program to reverse a number

import java.util.Scanner;

class ReverseInt
{
    /* Iterative function to reverse
    digits of num*/
    static int reversDigits(int num) throws IntOutOfRangeException
    {
        int neg_limit =-0x80000000;
        int pos_limit = 0x7fffffff;
        int rev_num = 0;
        while(num > 0)
        {
            rev_num = rev_num * 10 + num % 10;
            num = num / 10;
        }
        boolean isInTheRange = rev_num <= pos_limit && rev_num >=neg_limit;
        if(!isInTheRange) {
            throw new IntOutOfRangeException();
        }
        return rev_num;
    }

    // Driver code
    public static void main (String[] args)
    {
        Scanner myObj = new Scanner(System.in);  // Create a Scanner object
        System.out.println("Enter number");
        int num;
        try{
            num = getNumber(myObj.nextLine());
            System.out.println("Reverse of no. is " + reversDigits(num));
        }catch (NonInteger | ZeroNum | IntOutOfRangeException e){
            System.out.println("You cannot enter non integer or 0 as input");
        }


    }

    private static int getNumber(String input) throws NonInteger, ZeroNum {
        int yourNumber;
        try{
            yourNumber = Integer.parseInt(input);
        }catch (NumberFormatException ex) {
            throw(new NonInteger());
        }
        if(yourNumber == 0) throw(new ZeroNum());
        return yourNumber;
    }

}


class IntOutOfRangeException extends Exception{
    @Override
    public String getMessage() {
        return "Unsigned bit our or range";
    }
}
class ZeroNum extends Exception{
    @Override
    public String getMessage() {
        return "Zero number cannot be accepted";
    }
}
class NonInteger extends Exception{
    @Override
    public String getMessage() {
        return "Non integer number";
    }
}