diff options
Diffstat (limited to 'java/code/CustomExceptionExample.java')
-rw-r--r-- | java/code/CustomExceptionExample.java | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/java/code/CustomExceptionExample.java b/java/code/CustomExceptionExample.java new file mode 100644 index 0000000..9443c6e --- /dev/null +++ b/java/code/CustomExceptionExample.java @@ -0,0 +1,26 @@ +import java.util.InputMismatchException; +import java.util.Scanner; + +class NegativeNumberException extends Exception { + public NegativeNumberException(String message) { + super(message); + } +} + +public class CustomExceptionExample { + public static void main(String[] args) { + Scanner scanner = new Scanner(System.in); + try { + System.out.print("Enter an integer: "); + int userInput = scanner.nextInt(); + if (userInput < 0) { + throw new NegativeNumberException("Number cannot be less than zero"); + } + System.out.println("You entered: " + userInput); + } catch (InputMismatchException e) { + System.out.println("Input must be an integer."); + } catch (NegativeNumberException e) { + System.out.println(e.getMessage()); + } + } +} |