JDK in JAVA

by | Apr 26, 2021 | Java

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JDK in JAVA

JDK in JAVA stands for Java Development Kit. As the name suggest, the JDK is one of the key components that foster a conducive runtime environment for JAVA programs and applets to run. In terms of components, the JDK is can be thought of a conglomerate of JRE (Java Runtime Environment) and development tools. The JDK is an implementation one of the following platforms in cooperation with Oracle:

  • Standard Edition Java Platform
  • Enterprise Edition Java Platform
  • Micro Edition Java Platform

Contents in a JDK

The JDK contains a private JVM (Java Virtual Machine) and a few other components namely an interpreter/loader (JAVA), a compiler (javac), an archiver (jar), a documentation generator (Javadoc) etc, to ensure proper execution of a Java application or applet.

Components of JDK

ComponentUse
appletviewer:If you are not using a web browser, this tool is primarily used to execute and debug Java applets.
apt:An annotation-processing tool.
extcheck:Used to detect conflicts in JAR files.
idlj:It is an IDL-to-Java compiler.
java:This is the main component that is required to load and interpret java class files.
javac:The compiler which converts source code into byte code.
javadoc:Source code document generator.
jar:Helps manage JAR files.
javafxpackager:Tool to package and sign JavaFX applications.
jarsigner:Signing and verification tool.
javah:For writing native methods.
javap:Class file diassembler.
javaws:Java Web Start Launcher.
JConsole:Java Monitoring and Management Console.
jdb:Debugger.
jhat:Java Heap Analysis Tool.
jinfo:Gets configuration information from current Java processes.
jmap:Oracle Memory Map.
jmc:Java Mission Control.
jps:Java Virtual Machine Process Status Tool.
jrunscript:Java command-line script shell.
jstack:Prints Java stack traces.
jstat:Java Virtual Machine statistics monitoring tool.
Jstatd:Jstat daemon.
keytool:For manipulating the keystore.
pack200:JAR compression tool.

 

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