Aug 14, 2025 · A custom exception in Java is an exception defined by the user to handle specific application requirements. These exceptions extend either the Exception class (for checked …

May 9, 2025 · In this tutorial, we will understand what is a user defined exception or custom exception in Java with the help of examples. As we have read about several predefined or built-in exceptions …

May 11, 2024 · In this tutorial, we’ll cover how to create a custom exception in Java. We’ll show how user-defined exceptions are implemented and used for both checked and unchecked exceptions.

May 29, 2025 · Basically, Java custom exceptions are used to customise the exception according to the user's requirement. This exception extends either the Exception class or the RuntimeException class …

Nov 8, 2024 · User Defined Exception or custom exception is creating your own exception class and throw that exception using ‘throw’ keyword. In this tutorial learn how to create User Defined …

How to create user defined exception? This example shows how to create user defined exception by extending Exception Class.

Learn about custom (user-defined) exceptions in Java with a step-by-step guide and examples. Explore their types, how to create and handle them, and more.

User-defined exceptions allow you to model and handle errors specific to your application's domain. This blog post will guide you through the process of creating and using user-defined exceptions in Java.

To create a user-defined exception, define a class that extends the Exception (for checked exceptions) or RuntimeException (for unchecked exceptions). InvalidAgeException is a user-defined checked …

Feb 2, 2024 · Other than pre-defined exceptions like NullPointerException or ArithmeticException, we can create our user-defined custom exceptions in Java. The Throw keyword and try-catch blocks …