Java Swing Tutorials - Herong's Tutorial Examples - Version 4.20, by Dr. Herong Yang
What Is JDK
This section describes what is JDK (Java Development Kit) - a development environment for building software applications and software components using the Java programming language.
What Is JDK (Java Development Kit)? JDK is short name for Java™ Platform, Standard Edition Development Kit (JDK™), developed and distributed by Oracle. It is a development environment for building software applications and software components using the Java programming language.
JDK includes the following components:
JRE (Java Runtime Environment) - JRE allows you to run Java applications. The JRE uses HotSpot as the JVM (Java Virtual Machine) implementing the JVM specification.
See "JVM Tutorials - Herong's Tutorial Examples" book at herongyang.com/JVM for more tutorials on JRE.
JCL (Java Class Library) - JCL is a set of dynamically loadable libraries that Java applications can call at run time. JCL is organized into Java packages. Some packages are wrappers to access native operating system APIs like java.io.*, java.net.*, java.awt, etc.
Tutorials on JCL are provided in this book.
Java Development Tools - Tools includes Java compiler, JAR tool, class file disassembler, debugger, JRE builder, etc.
See "Java Tools Tutorials - Herong's Tutorial Examples" book at herongyang.com/Java-Tools for more tutorials on Java tools.
JDK versions and release dates:
JDK (Java SE) 12 March 19, 2019 JDK (Java SE) 11 September, 2018 JDK (Java SE) 10 March 20, 2018 JDK (Java SE) 9 September 21, 2017 JDK (Java SE) 8 March 18, 2014 JDK (Java SE) 7 July 28, 2011 JDK (Java SE) 6 December 2006 JDK (J2SE) 5.0 September 2004 JDK (J2SE) 1.4 February 2002 JDK (J2SE) 1.3 May 2000 JDK (J2SE) 1.2 December 1998 JDK 1.1 February 1997 JDK 1.0 January 1996
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