Reads two integers and display them. This is part of "1000 programming exercise by Chess"

ReadTwoNumbers.java

import java.util.*;
public class ReadTwoNumbers {

	//When reading in digit you need to account for invalid inputs
    public static int readNum(String promptMsg, boolean hasPrompt){
    	boolean isDig = true;  //Checks if the value just read in is an integer
    	int output = -1; //Stores the return value of the read in number
    	do{
    			isDig = true;
    	    	Scanner input= new Scanner (System.in); //Use to read in the data

    	    	//Prompt the user with a message if there is one
    	    	if(hasPrompt){System.out.println(promptMsg);}

    	    	try{
    	    		output = input.nextInt(); //Does the actual reading in of a integer
    	    	}catch(Exception ex){
    	    		isDig = false; //An error occur and the value is not an integer
    	    	}
    	}while(!isDig);//Keep trying to read an integer until we get valid integers
    	return output;
    }

    public static void main(String[] args) {

		int num1 = readNum("Enter first number:", true);
		int num2 = readNum("Enter second number:", true);
		System.out.println ("The first number " + num1 + ".");
		System.out.println ("The second number " + num2+ ".");

    }
}