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JDK Tools and Utilities |
Documentation Contents |
NOTE - The tools described in this section are unsupported and experimental in nature and should be used with that in mind. They might not be available in future JDK versions.
NOTE - Some tools have separate reference pages for Windows, Linux and Solaris to accommodate minor differences in configuration and usage -- for example, the character used to specify directory separators may be different.
The following documents contain important information you will need to know to get the most out of the SDK tools.
| JDK File Structure | [Solaris] [Linux] [Windows] |
| Setting the Classpath | [Solaris and Linux] [Windows] |
| How Classes are Found | [Solaris, Linux and Windows] |
| Tool Changes in Java 2 SDK, v1.4 | [Solaris, Linux and Windows] |
| Tool Name | Brief Description | Links to Reference Pages |
|---|---|---|
| javac | The compiler for the Java programming language. | [Solaris and Linux] [Windows] |
| java | The launcher for Java applications. In this
release, a single launcher is used both for development and deployment. The old deployment launcher, jre, is no longer provided. |
[Solaris and Linux] [Windows] |
| javadoc | API documentation generator. See Javadoc Tool page for doclet and taglet APIs. |
[Solaris and Linux] [Windows] |
| apt | Annotation processing tool. See Annotation Processing Tool for program annotation processing. |
[Solaris, Linux, and Windows] |
| appletviewer | Run and debug applets without a web browser. | [Solaris and Linux] [Windows] |
| jar | Create and manage Java Archive (JAR) files. See Java Archive Files page for the JAR specification. |
[Solaris and Linux] [Windows] |
| jdb | The Java Debugger. See JPDA for the debugger architecture specifications. | [Solaris and Linux] [Windows] |
| javah | C header and stub generator. Used to write native methods. | [Solaris and Linux] [Windows] |
| javap | Class file disassembler | [Solaris and Linux] [Windows] |
| extcheck | Utility to detect Jar conflicts. | [Solaris and Linux] [Windows] |
| Tool Name | Brief Description | Links to Reference Pages |
|---|---|---|
| keytool | Manage keystores and certificates. | [Solaris and Linux] [Windows] |
| jarsigner | Generate and verify JAR signatures. | [Solaris and Linux] [Windows] |
| policytool | GUI tool for managing policy files. | [Solaris and Linux] [Windows] |
These security tools help you obtain, list, and manage Kerberos tickets.
| Tool Name | Brief Description | Links to Reference Pages |
|---|---|---|
| kinit | Tool for obtaining Kerberos v5 tickets. Equivalent functionality is available on the Solaris operating environment via the kinit tool. For example, for Solaris 8, see the kinit reference page. | [Linux] [Windows] |
| klist | Command-line tool to list entries in credential cache and key tab. Equivalent functionality is available on the Solaris operating environment via the klist tool. For example, for Solaris 8, see the klist reference page. | [Linux] [Windows] |
| ktab | Command-line tool to help the user manage entires in the key table. Equivalent functionality is available on the Solaris operating environment via the kadmin tool. For example, for Solaris 8, see the kadmin reference page. | [Linux] [Windows] |
| Tool Name | Brief Description | Links to Reference Pages |
|---|---|---|
| native2ascii | Convert text to Unicode Latin-1. | [Solaris and Linux] [Windows] |
| Tool Name | Brief Description | Links to Reference Pages |
|---|---|---|
| rmic | Generate stubs and skeletons for remote objects. | [Solaris and Linux] [Windows] |
| rmiregistry | Remote object registry service. | [Solaris and Linux] [Windows] |
| rmid | RMI activation system daemon. | [Solaris and Linux] [Windows] |
| serialver | Return class serialVersionUID. | [Solaris and Linux] [Windows] |
| Tool Name | Brief Description |
|---|---|
| tnameserv | Provides access to the naming service. |
| idlj | Generates .java files that map an OMG IDL interface and enable an application written in the Java programming language to use CORBA functionality. |
| orbd | Provides support for clients to transparently locate and invoke persistent objects on servers in the CORBA environment. ORBD is used instead of the Transient Naming Service, tnameserv. ORBD includes both a Transient Naming Service and a Persistent Naming Service. The orbd tool incorporates the functionality of a Server Manager, an Interoperable Naming Service, and a Bootstrap Name Server. When used in conjunction with the servertool, the Server Manager locates, registers, and activates a server when a client wants to access the server. |
| servertool | Provides ease-of-use interface for the application programmers to register, unregister, startup, and shutdown a server. |
| Tool Name | Brief Description |
|---|---|
| pack200 | Transforms a JAR file into a compressed pack200 file
using the Java gzip compressor. The compressed packed files are highly
compressed JARs, which can be directly deployed, saving bandwidth and reducing
download time. |
| unpack200 | Transforms a packed file produced by pack200 into a
JAR file. |
| Tool Name | Brief Description with Links to Reference Pages |
|---|---|
| htmlconverter | Converts an HTML page (file) containing applets to the
OBJECT / EMBED tag format for Java Plug-in. |
| Tool Name | Brief Description |
|---|---|
| javaws | Command line tool for launching
Java Web Start and setting various options. See Java Web Start Guide for more information. |
You can use the following tools to monitor JVM performance and resource consumption. The tools described in this section are unsupported and experimental, and should be used with that in mind. They may not be available in future JDK versions.
Platform support:
For more information, see Monitoring and Management for the Java Platform.
| Tool Name | Brief Description |
|---|---|
| jconsole | Experimental: Java Monitoring and Management Console - JMX-compliant graphical tool for monitoring a Java virtual machine. It can monitor both local and remote JVMs. |
| jps | Experimental: JVM Process Status Tool - Lists instrumented HotSpot Java virtual machines on a target system. |
| jstat | Experimental: JVM Statistics Monitoring Tool - Attaches to an instrumented HotSpot Java virtual machine and collects and logs performance statistics as specified by the command line options. |
| jstatd | Experimental: JVM jstat Daemon - Launches an RMI server application that monitors for the creation and termination of instrumented HotSpot Java virtual machines and provides a interface to allow remote monitoring tools to attach to Java virtual machines running on the local system. |
These tools are not currently available on Windows platforms.
| Tool Name | Brief Description |
|---|---|
| jinfo | Experimental - Configuration Info for Java - Prints configuration information for for a given process or core file or a remote debug server. |
| jmap | Experimental - Memory Map for Java - Prints shared object memory maps or heap memory details of a given process or core file or a remote debug server. |
| jsadebugd | Experimental - Serviceability Agent Debug Daemon for Java - Attaches to a process or core file and acts as a debug server. |
| jstack | Experimental - Stack Trace for Java - Prints a stack trace of threads for a given process or core file or remote debug server. |
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Copyright © 2002-2004 Sun Microsystems, Inc. All Rights Reserved. |
Java Software |