How do you use custom exceptions with a simple code example?

In Java, custom exceptions are user-defined exceptions that can be created to handle specific application errors. They provide a way to give a clearer and more meaningful message to users of the application, allowing for better error management. Here’s how to create and use a custom exception in a simple way.

Java, Custom Exceptions, Error Handling
This example demonstrates how to create and use a custom exception in Java for effective error handling.
// Custom Exception Class public class MyCustomException extends Exception { public MyCustomException(String message) { super(message); } } // Class that uses the custom exception public class Example { public static void main(String[] args) { try { throw new MyCustomException("This is a custom exception message."); } catch (MyCustomException e) { System.out.println("Caught the exception: " + e.getMessage()); } } }

Java Custom Exceptions Error Handling