Description: Java application performance monitoring is a critical process that involves tracking performance metrics to identify bottlenecks and optimize the performance of applications developed in this popular programming language. This type of monitoring allows developers and system administrators to gain a clear view of their applications’ behavior in real-time, facilitating the detection of issues such as latency, execution errors, and inefficient resource usage. Monitoring tools collect data on response times, memory usage, CPU load, and other key performance indicators (KPIs). With this information, teams can make proactive adjustments to enhance efficiency and user experience. Observability has become particularly relevant in this context, as many Java applications are deployed in environments where scalability and availability are essential. Modern monitoring solutions not only provide real-time analytics but also allow integration with other development and operations tools, promoting a DevOps approach that enhances collaboration among teams. In summary, monitoring Java application performance is essential to ensure that applications run optimally, meeting user expectations and maximizing technology return on investment.