Apache Log4j

Apache Log4j is a popular logging utility used in software applications to record information about their operation. It helps developers track events, errors, and system behavior in real-time, making troubleshooting and monitoring easier. By generating logs, Log4j allows developers to see what’s happening inside an application, helping them optimize performance and identify issues. It's widely used in Java-based applications due to its flexibility and powerful features, enabling developers to customize how and where logs are recorded, such as in files or on consoles.