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The Java Development Kit (JDK) is a distribution of Java technology by Oracle Corporation. It implements the Java Language Specification ( JLS ) and the Java Virtual Machine Specification ( JVMS ) and provides the Standard Edition ( SE ) of the Java Application Programming Interface ( API ).
OpenJDK (Open Java Development Kit) is a free and open-source implementation of the Java Platform, Standard Edition (Java SE). [2] It is the result of an effort Sun Microsystems began in 2006, four years before the company was acquired by Oracle Corporation.
The Java language has undergone several changes since JDK 1.0 as well as numerous additions of classes and packages to the standard library.Since J2SE 1.4, the evolution of the Java language has been governed by the Java Community Process (JCP), which uses Java Specification Requests (JSRs) to propose and specify additions and changes to the Java platform.
Download and install the latest Java Virtual Machine in Internet Explorer. 1. Go to www.java.com. 2. Click Free Java Download. 3. Click Agree and Start Free Download. 4.
The Java Runtime Environment (JRE) released by Oracle is a freely available software distribution containing a stand-alone JVM (HotSpot), the Java standard library (Java Class Library), a configuration tool, and—until its discontinuation in JDK 9—a browser plug-in.
GraalVM for JDK 20 2023-06-13 Oracle JDK 20.0.1 OpenJDK 20.0.1 GraalVM for JDK 21 2023-09-19 Oracle JDK 21 OpenJDK 21 This release brought all Java SE 21 features to GraalVM such as virtual threads from Project Loom. Performance improvements in this release made ahead-of-time compiled Java applications run at peak performance as on HotSpot.
The same version of the JVM can be used in OpenJDK 8 and later releases, which means that many features and improvements can be exploited by applications that run on different versions of Java. Compared to Oracle's HotSpot VM, OpenJ9 touts higher start-up performance and lower memory consumption at a similar overall throughput. [7]
JavaFX 2.2 adds new packaging option called Native Packaging, allowing packaging of an application as a "native bundle". This gives users a way to install and run an application without any external dependencies on a system JRE or FX SDK. As of Oracle Java SE 7 update 6 and JavaFX 2.2, JavaFX is bundled to be installed with Oracle Java SE platform.