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Java Technology

Java Technology

Java is a set of computer software and specifications developed by Sun Microsystems, which was later acquired by the Oracle Corporation, that provides a system 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 Platform, Standard Edition (Java SE) enables you to develop secure, portable, high-performance applications for the widest range of computing platforms possible. Java Platform, Enterprise Edition (Java EE) is the industry standard for enterprise Java computing.

Java is the foundation for virtually every type of networked application and is the global standard for developing and delivering embedded applications, games, Web content, and enterprise software. With more than 9 million developers worldwide, Java enables you to efficiently develop and deploy exciting applications and services.

A specific functionality provided by the library is known as service. Let us consider an example to describe in detail, we can have different libraries providing a number check service , which can check whether the given number is valid or not , odd or even , etc., Applications and library providing an implementations for a service are called as service providers. Applications using this service are called as service consumers or clients. In Java, a service is defined by a set of interfaces and classes. The service contains an interface or an abstract class that defines the functionality provided by the service.