package exceptions12;
/**
* William Smolinski
* CISS 241
* Exercise 12-3 -> Program that takes in a grade and handles the exceptions if the input was invalid
*/
import javax.swing.JOptionPane;
public class ex123
{
public static void main(String[] args)
{
//Initializes the grade int
int grade = 0;
//Try catch to catch the exceptions
try
{
//Gets the input from the user and attempts to parse it to an int
grade = Integer.parseInt(JOptionPane.showInputDialog("Enter your grade (0 - 100):"));
//Checks if the grade is in the valid range: 0 - 100
if(grade < 0 || grade > 100)
{
//Not a valid number, throws a custom exception
throw new ArithmeticException(grade + " not in range 0 - 100");
}
else
{
//Valid number, adds a bonus point and prints out the new grade
grade += 1;
System.out.println("New Grade: " + grade);
}
}
catch(NumberFormatException e) //Catches the exception thrown when the parsing fails
{
System.out.println("A valid integar was not entered");
System.out.println(e.getMessage());
e.printStackTrace();
}
catch (ArithmeticException e) //Catches the exception thrown when the grade is not within the valid range
{
System.out.println("Number was not in the valid range");
System.out.println(e.getMessage());
e.printStackTrace();
}
}
}