A Java virtual machine (JVM) is a virtual machine that enables a computer to run Java programs as well as programs written in other languages that are also compiled to Java bytecode. The JVM is detailed by a specification that formally describes what is required in a JVM implementation. Having a specification ensures interoperability of Java programs across different implementations so that program authors using the Java Development Kit (JDK) need not worry about idiosyncrasies of the underlying hardware platform.
ECMAScript is a standard for scripting languages, including JavaScript, JScript, and ActionScript. It is best known as a JavaScript standard intended to ensure the interoperability of web pages across different web browsers. It is standardized by Ecma International in the document ECMA-262.
The Object Constraint Language (OCL) is a declarative language describing rules applying to Unified Modeling Language (UML) models developed at IBM and is now part of the UML standard. Initially, OCL was merely a formal specification language extension for UML. OCL may now be used with any Meta-Object Facility (MOF) Object Management Group (OMG) meta-model, including UML. The Object Constraint Language is a precise text language that provides constraint and object query expressions on any MOF model or meta-model that cannot otherwise be expressed by diagrammatic notation. OCL is a key component of the new OMG standard recommendation for transforming models, the Queries/Views/Transformations (QVT) specification.
Modular programming is a software design technique that emphasizes separating the functionality of a program into independent, interchangeable modules, such that each contains everything necessary to execute only one aspect of the desired functionality.
JSON is an open standard file format and data interchange format that uses human-readable text to store and transmit data objects consisting of attribute–value pairs and arrays. It is a common data format with diverse uses in electronic data interchange, including that of web applications with servers.
javac is the primary Java compiler included in the Java Development Kit (JDK) from Oracle Corporation. Martin Odersky implemented the GJ compiler, and his implementation became the basis for javac.
Java is a set of computer software and specifications that provides a software platform for developing application software and deploying it in a cross-platform computing environment. Java is used in a wide variety of computing platforms from embedded devices and mobile phones to enterprise servers and supercomputers. Java applets, which are less common than standalone Java applications, were commonly run in secure, sandboxed environments to provide many features of native applications through being embedded in HTML pages.
Wayne Anthony Hector is a British songwriter who is best known for his work with pop artists such as Nicki Minaj, One Direction, the Wanted, Toše Proeski and Olly Murs. He co-wrote seven of Westlife's number one singles, including "World of Our Own" and "Flying Without Wings".
In software engineering, the initialization-on-demand holder idiom is a lazy-loaded singleton. In all versions of Java, the idiom enables a safe, highly concurrent lazy initialization of static fields with good performance.
Jakarta Persistence is a Jakarta EE application programming interface specification that describes the management of relational data in enterprise Java applications.
JLS are an English boyband consisting of members Aston Merrygold, Oritsé Williams, Marvin Humes, and JB Gill, originally formed by Williams. They initially signed to Tracklacers production company New Track City and then went on to become runners-up of the fifth series of the ITV reality talent show The X Factor in 2008, coming second to Alexandra Burke. Following their appearance on The X Factor, JLS signed to Epic Records. Their first two singles "Beat Again" and "Everybody in Love" both went to number one on the UK Singles Chart.
Aston Iain Merrygold is a British singer, songwriter, actor, dancer and television presenter. He is known for being a member of the British boy band JLS, who were the runners-up to Alexandra Burke in the fifth series of The X Factor. As part of the group he achieved five number one singles on the UK Singles Charts and a number one album on the UK Albums Charts. As of December 2013, JLS had sold over 10 million records before disbanding in 2013 and reuniting in 2020. In 2013, he became a judge on the British dance talent show Got to Dance.
Marvin Richard James Humes is an English singer songwriter disc jockey, radio host, television presenter, and former actor. Before rising to prominence as a member of the British boy band JLS, he had an acting role in Holby City. As part of JLS, he achieved five number-one singles on the UK Singles Charts and a number-one album on the UK Albums Charts. As of December 2013, they have sold over 10 million records worldwide.
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). It is derivative of the community driven OpenJDK which Oracle stewards. It provides software for working with Java applications. Examples of included software are the Java virtual machine, a compiler, performance monitoring tools, a debugger, and other utilities that Oracle considers useful for Java programmers.
Paul Michael Barry is a British songwriter and musician. Some of his best-known songs he has co-written include "Believe" by Cher, "Hero" and "Bailamos" by Enrique Iglesias and the 5-times platinum U.S. single "Let It Go" by James Bay. He has won three Ivor Novello Awards and ASCAP PRS writer of the year 2000. He has scored three US number-one singles, as well as other number-ones around the world.
Patrick Jordan-Patrikios, is a British record producer, songwriter and multi-instrumentalist musician.
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