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 ...

A fully-featured, console-based Cab Booking System built in Java that demonstrates 15 core Object-Oriented Programming concepts through a real-world ride-hailing simulation. The system covers ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Birgitta Böckeler, Distinguished Engineer at ...

Learn how to write and validate unit tests with JUnit 5. This article shows you how to configure a Maven project for JUnit, write basic and parameterized unit tests, and use JUnit 5’s built-in ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Birgitta Böckeler, Distinguished Engineer at ...

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 affiliate links or sponsorships. This ...

This library limits itself to config files. If you want to load config from a database or something, you would need to write some custom code. The library has nice support for merging configurations ...

Everyone who codes Java EE web applications needs to pay attention to exception handling. When a program encounters an error, developers can display friendly messages for end users, which increases ...