Learn java programming

         JAVA PROGRAMMING

  Java is a general-purpose computer programming language that is concurrent, class-based, object-oriented, and specifically designed to have as few implementation dependencies as possible. It is intended to let application developers "write once, run anywhere" (WORA), meaning that compiled Java code can run on all platforms that support Java without the need for recompilation.

 USES

The Java Class Library is the standard library, developed to support application development in Java. It is controlled by Sun Microsystems in cooperation with others through the Java Community Process program. Companies or individuals participating in this process can influence the design and development of the APIs. This process has been a subject of controversy.^[when?] The class library contains features such as:

• The core libraries, which include:
  • IO/NIO
  • Networking
  • Reflection
  • Concurrency
  • Generics
  • Scripting/Compiler
  • Functional Programming (Lambda, Streaming)
  • Collection libraries that implement data structures such as lists, dictionaries, trees, sets, queues and double-ended queue, or stacks^[56]
  • XML Processing (Parsing, Transforming, Validating) libraries
  • Security^[57]
  • Internationalization and localization libraries^[58]
• The integration libraries, which allow the application writer to communicate with external systems. These libraries include:
  • The Java Database Connectivity (JDBC) API for database access
  • Java Naming and Directory Interface (JNDI) for lookup and discovery
  • RMI and CORBA for distributed application development
  • JMX for managing and monitoring applications
• User interface libraries, which include:
  • The (heavyweight, or native) Abstract Window Toolkit (AWT), which provides GUI components, the means for laying out those components and the means for handling events from those components
  • The (lightweight) Swing libraries, which are built on AWT but provide (non-native) implementations of the AWT widgetry
  • APIs for audio capture, processing, and playback
  • JavaFX
• A platform dependent implementation of the Java virtual machine that is the means by which the bytecodes of the Java libraries and third party applications are executed
• Plugins, which enable applets to be run in web browsers
• Java Web Start, which allows Java applications to be efficiently distributed to end users across the Internet
• Licensing and documentation

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