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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.
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.
Free GPL version 2 or later, with the "libgcc exception" [3] GraalVM: Oracle: May 2019 GraalVM for JDK 22.0.1 [4] 16 April 2024; 8 months ago () Free GPL version 2 only HotSpot, OpenJDK edition Sun Microsystems, Oracle: 27 April 1999 jdk-16 16 March 2021 Free GPL version 2 only HotSpot, Oracle JDK edition Sun Microsystems, Oracle: 27 April 1999
Java Quick Starter reduces application start-up time by preloading part of JRE data at OS startup on disk cache. [27] Parts of the platform needed to execute an application accessed from the web when JRE is not installed are now downloaded first. The full JRE is 12 MB, a typical Swing application only needs to download 4 MB to start.
IcedTea-web provides a free-software Java Web browser plugin. It was the first to work in 64-bit browsers under 64-bit Linux, a feature Sun's proprietary JRE later addressed. [27] This makes it suitable to enable support for Java applets in 64-bit Mozilla Firefox, among others.
A Dalvik-powered phone. The relative merits of stack machines versus register-based approaches are a subject of ongoing debate. [16]Generally, stack-based machines must use instructions to load data on the stack and manipulate that data, and, thus, require more instructions than register machines to implement the same high-level code, but the instructions in a register machine must encode the ...
Released under the terms of the GNU General Public License and, optionally, the CDDL for most files of the source distribution, VirtualBox is free and open-source software, though the Extension Pack is proprietary software, free of charge only to personal users. The License to VirtualBox was relicensed to GPLv3 with linking exceptions to the ...
JRuby was originally created by Jan Arne Petersen, in 2001. At that time and for several years following, the code was a direct port of the Ruby 1.6 C code. With the release of Ruby 1.8.6, an effort began to update JRuby to 1.8.6 features and semantics.