Java® Development Kit Version 21 Tool Specifications
All Platforms
- jar - create an archive for classes and resources, and manipulate or restore individual classes or resources from an archive
- jarsigner - sign and verify Java Archive (JAR) files
- java - launch a Java application
- javac - read Java class and interface definitions and compile them into bytecode and class files
- javadoc - generate HTML pages of API documentation from Java source files
- javap - disassemble one or more class files
- jcmd - send diagnostic command requests to a running Java Virtual Machine (JVM)
- jconsole - start a graphical console to monitor and manage Java applications
- jdb - find and fix bugs in Java platform programs
- jdeprscan - static analysis tool that scans a jar file (or some other aggregation of class files) for uses of deprecated API elements
- jdeps - launch the Java class dependency analyzer
- jfr - parse and print Flight Recorder files
- jhsdb - attach to a Java process or launch a postmortem debugger to analyze the content of a core dump from a crashed Java Virtual Machine (JVM)
- jinfo - generate Java configuration information for a specified Java process
- jlink - assemble and optimize a set of modules and their dependencies into a custom runtime image
- jmap - print details of a specified process
- jmod - create JMOD files and list the content of existing JMOD files
- jpackage - package a self-contained Java application
- jps - list the instrumented JVMs on the target system
- jrunscript - run a command-line script shell that supports interactive and batch modes
- jshell - interactively evaluate declarations, statements, and expressions of the Java programming language in a read-eval-print loop (REPL)
- jstack - print Java stack traces of Java threads for a specified Java process
- jstat - monitor JVM statistics
- jstatd - monitor the creation and termination of instrumented Java HotSpot VMs
- jwebserver - launch the Java Simple Web Server
- keytool - manage a keystore (database) of cryptographic keys, X.509 certificate chains, and trusted certificates
- rmiregistry - create and start a remote object registry on the specified port on the current host
- serialver - return the `serialVersionUID` for one or more classes in a form suitable for copying into an evolving class
Windows Only
- jabswitch - enable or disable Java Access Bridge
- jaccessinspector - examine accessible information about the objects in the Java Virtual Machine using the Java Accessibility Utilities API
- jaccesswalker - navigate through the component trees in a particular Java Virtual Machine and present the hierarchy in a tree view
- javaw - launch a Java application without a console window
- kinit - obtain and cache Kerberos ticket-granting tickets
- klist - display the entries in the local credentials cache and key table
- ktab - manage the principal names and service keys stored in a local key table