In the chapter materials and the conference we saw and discussed the various Quotent programs that started with a fragile program design and made it more robust in implementation. It didn't finish the job, however. In this assignment, we take the same concept and make a robust Quotent program (to be named MyDivision.java). As before, we will ask for two integers and divide them to obtain the result; however, this time we will check for both division by zero and input type mismatch problems. Don't explicitly check the content of the input items, let Java's default handling manage the generation of the Exceptions (i.e., don't use the throw syntax, however you may use the throws syntax). Detect both of these conditlons and provide a mechanism for the user to make any necessary corrections before continuing the program to completion. Here is your starting code: /* Instructions: Don't test for zeros or non-numeric strings on your input. Let Java throw its built-in exceptions. Catch everything in the main method and allow the user to fix any bad data. */ import java.util.Scanner; public class MyDivision { public static int quotient(int number1, int number2) { return number1 / number2; } public static void main(String[] args) { Scanner input = new Scanner(System.in); // Prompt the user to enter two integers System.out.print("Enter two integers: "); int number1 = input.nextInt(); int number2 = input.nextInt(); int result = quotient(number1, number2); System.out.println(number1 + " / " + number2 + " is " + result); } }
In the chapter materials and the conference we saw and discussed the various Quotent programs that started with a fragile program design and made it more robust in implementation. It didn't finish the job, however. In this assignment, we take the same concept and make a robust Quotent program (to be named MyDivision.java). As before, we will ask for two integers and divide them to obtain the result; however, this time we will check for both division by zero and input type mismatch problems. Don't explicitly check the content of the input items, let Java's default handling manage the generation of the Exceptions (i.e., don't use the throw syntax, however you may use the throws syntax). Detect both of these conditlons and provide a
/* Instructions:
Don't test for zeros or non-numeric strings on your input.
Let Java throw its built-in exceptions. Catch everything
in the main method and allow the user to fix any bad data.
*/
import java.util.Scanner;
public class MyDivision
{
public static int quotient(int number1, int number2)
{
return number1 / number2;
}
public static void main(String[] args)
{
Scanner input = new Scanner(System.in);
// Prompt the user to enter two integers
System.out.print("Enter two integers: ");
int number1 = input.nextInt();
int number2 = input.nextInt();
int result = quotient(number1, number2);
System.out.println(number1 + " / " + number2 + " is " + result);
}
}
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