You use Java Virtual Machine (JVM) monitoring tools and commands to monitor and manage Java applications and the JVM. The following sections describe the JDK tools and commands used to …

The jconsole command starts a graphical console tool that lets you monitor and manage Java applications and virtual machines on a local or remote machine. On Windows, the jconsole command …

Discover how to utilize keytool, JDK Flight Recorder, JDK Mission Control and JFR Security Events to monitor the security of your Java application.

Let us deep dive in to the Reflection API, and see how you can use it to examine or modify the runtime behavior of applications running in the Java Virtual Machine.

The Watch Service API is designed for applications that need to be notified about file change events. It is well suited for any application, like an editor or IDE, that potentially has many open files and needs …

Monitoring Java Application Security with JDK tools and JFR Events Discover how to utilize keytool, JDK Flight Recorder, JDK Mission Control and JFR Security Events to monitor the security of your Java …

These applications handle the compilation of your source code automatically, they can help you to track errors in the syntax of your Java code and nail down bugs in its execution, among other things.

Administrators can examine the output from jcmd for packages of interest, such as com.example.foo.bar to establish whether a running Java application has loaded or instantiated classes from packages …

This article focuses on tasks that application programmers are likely to encounter, particularly in web applications, such as reading and writing text files, reading text, images, JSON from the web, and more.

The jps command lists the instrumented Java HotSpot VMs on the target system. The command is limited to reporting information on JVMs for which it has the access permissions.