Learn about the best practices for concurrency in Java to ensure your multi-threaded applications are efficient, synchronized, and error-free. Concurrency in Java is the ability of multiple threads to ...

When something goes wrong in production, your logs are often the only window into what happened. Good logging and exception handling can mean the difference between a five-minute fix and hours of ...

Java annotations were designed for metadata. Spring uses them for dependency injection. Lombok uses them for code generation. JPA uses them for ORM mapping. We use them to write entire programs. This ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Handling Java exceptions can be tricky. Which Java exceptions should you catch, and which ...

A custom exception in Java is a user-defined exception class created to handle specific application requirements. These exceptions can be either checked (extending ...

What is an exception handler? An exception handler is code that stipulates what a program will do when an anomalous or exceptional event occurs and disrupts the normal flow of that program's ...

A look at some of the best database and RDBMS tools for Java software developers. Learn more about Java and database programming. We may earn from vendors via ...

concentrate the business logic into e.g. the "Model", which "lives longer" (in years) than the often changing GUI technologies When you develop a Java Swing GUI in practice, you face the following ...

While working on a recent project, I found a piece of code that performed resource cleanup. Because it had many diverse calls, it could potentially throw six different exceptions. The original ...