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Java is a high-level, class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible. It is a general-purpose programming language intended to let programmers write once, run anywhere (), [17] meaning that compiled Java code can run on all platforms that support Java without the need to recompile. [18]
This is a list of the instructions that make up the Java bytecode, an abstract machine language that is ultimately executed by the Java virtual machine. [1] The Java bytecode is generated from languages running on the Java Platform, most notably the Java programming language. Note that any referenced "value" refers to a 32-bit int as per the ...
Apache Velocity first released in April 2001, is a Java -based template engine that provides a template language to reference objects defined in Java code. It aims to ensure clean separation between the presentation tier and business tiers in a Web application (the model–view–controller design pattern). Velocity is an open source software ...
Free Java implementations. Free Java implementations are software projects that implement Oracle's Java technologies and are distributed under free software licences, making them free software. Sun released most of its Java source code as free software in May 2007, so it can now almost be considered a free Java implementation. [1]
Java Platform, Standard Edition (Java SE) is a computing platform for development and deployment of portable code for desktop and server environments. [16] Java SE was formerly known as Java 2 Platform, Standard Edition (J2SE). The platform uses the Java programming language and is part of the Java software-platform family.
Write once, run anywhere. Write once, run anywhere (WORA), or sometimes Write once, run everywhere (WORE), was a 1995 [1] slogan created by Sun Microsystems to illustrate the cross-platform benefits of the Java language. [2][3] Ideally, this meant that a Java program could be developed on any device, compiled into standard bytecode, and be ...
Apache Tomcat (called "Tomcat" for short) is a free and open-source implementation of the Jakarta Servlet, Jakarta Expression Language, and WebSocket technologies. [2] It provides a "pure Java" HTTP web server environment in which Java code can also run. Thus it is a Java web application server, although not a full JEE application server.
Following their promise to release a Java Development Kit (JDK) based almost completely on free and open-source code in the first half of 2007, [11] Sun released the complete source code of the Java Class Library under the GPL on May 8, 2007, except for some limited parts that had been licensed to Sun by third parties and Sun was unable to re-license under the GPL. [12]