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Java API

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'Gurumukhi' Vaishnav
'Gurumukhi' Vaishnav

This document discusses Java application programming interfaces (APIs). It begins by explaining that there are three types of Java APIs: 1) the core Java API contained in the JDK, 2) optional APIs that can be downloaded separately, and 3) unofficial APIs developed by third parties. It then provides examples of popular Java APIs, grouping them into categories like the official APIs for Java SE, EE, and ME platforms, as well as unofficial APIs released by third parties. The document serves to outline the different types and categories of Java APIs and provide illustrative examples.

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Ritika Gupta (205111007) Ram Dayal Vaishnav (205111027) 1
An application programming interface (API) is a protocol intended to be used as an interface by software components to communicate with each other. An API is a library that may include specification for routines, data structures, object classes, and What is an API? 2
There are 3 types of Java Programming Language Application Programming Interfaces (APIs) : • the official core Java API, contained in the JDK or JRE, of one of the editions of the Java Platform. • optional official APIs that can be downloaded separately. The specification of these APIs are defined according to a Java Specification Request (JSR). • unofficial APIs, developed by third parties, but not related to any JSRs. Third-parties can freely implement any JSR 3
Packages There are two types of packages:  Java API packages  User defined packages Java API Packages: A large number of classes grouped into different packages based on functionality. Examples: 1. java.lang 2. java.util 3. java.io 4. java.awt 5. java.net etc. 4
Name Description Java Advanced Imaging A set of interfaces that support a high- level programming model allowing to manipulate images easily. Java Data Objects A specification of Java object persistence. JavaHelp A full-featured, extensible help system that enables you to incorporate online help in applets, components, applications, operating systems, and devices. Java Media Framework An API that enables audio, video and other time-based media to be added to 5 Official APIs- Standard Edition (Java SE)
6 Name Description Java Naming and Directory Interface An API for directory services. Java 3D A scene graph-based 3D API. Java OpenGL A wrapper library for OpenGL. Java Mail A framework to build mail and messaging applications Java USB for Windows A USB communication of Java applications
7 Official APIs- Enterprise Edition (Java EE)Bundled APIs: • Java Message Service • JavaServer Faces
8 Optional APIs (for SE): • Java API for XML based RPC (JAX-RPC) • Xquery API for Java Official APIs- Micro Edition (Java ME) • Connected Limited Device Configuration • Java Telephony API
9 Unofficial APIs- Released by third partiesRich Client Platforms Eclipse Rich Client Platform (RCP) NetBeans Platform Office_compliant libraries Apache POI Compression LZMA SDK, the Java implementation of the SDK used by the popular 7-Zip file archive software Game engines Slick jMonkey Engine JPCT Engine LWJGL Real-time libraries Javolution Windowing libraries Standard Widget Toolkit (SWT) Physics Libraries JBox2D
10 Full-Screen Exclusive Mode API To use high-performance graphics in the Java development environment, to make the images move fast enough, to have a control over the user's display resolution. It enables you to suspend the windowing system so that drawing can be done directly to the screen.JDBC Database Access The JDBC API was designed to keep simple things simple. This means that the JDBC makes everyday database tasks easy The Java Remote Method Invocation (RMI) system allows an object running in one Java virtual machine to invoke methods on an object running in another Java virtual machine. RMI provides for remote communication between programs written in the RMI
Reflection is commonly used by programs which require the ability to examine or modify the runtime behavior of applications running in the Java virtual machine. This is a relatively advanced feature and should be used only by developers who have a strong grasp of the fundamentals of the language. With that caveat in mind, reflection is a powerful technique and can enable applications to perform operations which would otherwise be impossible. 11 The Reflection API The Java Sound API is a low-level API for effecting and controlling the input and output of sound media, including both audio and Musical Instrument Digital Interface (MIDI) data. The Java Sound API provides explicit control over the capabilities normally required for sound input and output, in a The Sound API
12 Abstract Window Toolkit AspectWerkz BatooJPA Flying Saucer (library) Internet Foundation Classes Java 2D Java Authentication and Authorization Service Java Bindings for OpenGL Java Cryptography Extension Java Data Objects Java Management Extensions Java Media Framework Java Naming and Directory Interface Java OpenAL Java Secure Socket Extension Java: View Technologies and Frameworks JavApi Javolution JConsole Jess (programming language) Jreality JSBML Location API for Java ME ObjectWeb ASM Pluggable look and feel Qt Jambi QuickTime for Java Standard Widget Toolkit Swing (Java) SwingLabs Synth Look and Feel Some more API
13 Summary: • Purpose • Java Platforms: • SE • EE • ME • Java APIs categories: • Official • Optional • Unofficial(Released by third parties) • Examples
14 References • http://en.wikipedia.org/wiki/List_of_J ava_APIs • http://docs.oracle.com/javase/tutorial / • http://en.wikipedia.org/wiki/Category: Java_APIs • www.roseindia.net › Java › Javaapi
Thank You! 15

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Java API

  • 1. Ritika Gupta (205111007) Ram Dayal Vaishnav (205111027) 1
  • 2. An application programming interface (API) is a protocol intended to be used as an interface by software components to communicate with each other. An API is a library that may include specification for routines, data structures, object classes, and What is an API? 2
  • 3. There are 3 types of Java Programming Language Application Programming Interfaces (APIs) : • the official core Java API, contained in the JDK or JRE, of one of the editions of the Java Platform. • optional official APIs that can be downloaded separately. The specification of these APIs are defined according to a Java Specification Request (JSR). • unofficial APIs, developed by third parties, but not related to any JSRs. Third-parties can freely implement any JSR 3
  • 4. Packages There are two types of packages:  Java API packages  User defined packages Java API Packages: A large number of classes grouped into different packages based on functionality. Examples: 1. java.lang 2. java.util 3. java.io 4. java.awt 5. java.net etc. 4
  • 5. Name Description Java Advanced Imaging A set of interfaces that support a high- level programming model allowing to manipulate images easily. Java Data Objects A specification of Java object persistence. JavaHelp A full-featured, extensible help system that enables you to incorporate online help in applets, components, applications, operating systems, and devices. Java Media Framework An API that enables audio, video and other time-based media to be added to 5 Official APIs- Standard Edition (Java SE)
  • 6. 6 Name Description Java Naming and Directory Interface An API for directory services. Java 3D A scene graph-based 3D API. Java OpenGL A wrapper library for OpenGL. Java Mail A framework to build mail and messaging applications Java USB for Windows A USB communication of Java applications
  • 7. 7 Official APIs- Enterprise Edition (Java EE)Bundled APIs: • Java Message Service • JavaServer Faces
  • 8. 8 Optional APIs (for SE): • Java API for XML based RPC (JAX-RPC) • Xquery API for Java Official APIs- Micro Edition (Java ME) • Connected Limited Device Configuration • Java Telephony API
  • 9. 9 Unofficial APIs- Released by third partiesRich Client Platforms Eclipse Rich Client Platform (RCP) NetBeans Platform Office_compliant libraries Apache POI Compression LZMA SDK, the Java implementation of the SDK used by the popular 7-Zip file archive software Game engines Slick jMonkey Engine JPCT Engine LWJGL Real-time libraries Javolution Windowing libraries Standard Widget Toolkit (SWT) Physics Libraries JBox2D
  • 10. 10 Full-Screen Exclusive Mode API To use high-performance graphics in the Java development environment, to make the images move fast enough, to have a control over the user's display resolution. It enables you to suspend the windowing system so that drawing can be done directly to the screen.JDBC Database Access The JDBC API was designed to keep simple things simple. This means that the JDBC makes everyday database tasks easy The Java Remote Method Invocation (RMI) system allows an object running in one Java virtual machine to invoke methods on an object running in another Java virtual machine. RMI provides for remote communication between programs written in the RMI
  • 11. Reflection is commonly used by programs which require the ability to examine or modify the runtime behavior of applications running in the Java virtual machine. This is a relatively advanced feature and should be used only by developers who have a strong grasp of the fundamentals of the language. With that caveat in mind, reflection is a powerful technique and can enable applications to perform operations which would otherwise be impossible. 11 The Reflection API The Java Sound API is a low-level API for effecting and controlling the input and output of sound media, including both audio and Musical Instrument Digital Interface (MIDI) data. The Java Sound API provides explicit control over the capabilities normally required for sound input and output, in a The Sound API
  • 12. 12 Abstract Window Toolkit AspectWerkz BatooJPA Flying Saucer (library) Internet Foundation Classes Java 2D Java Authentication and Authorization Service Java Bindings for OpenGL Java Cryptography Extension Java Data Objects Java Management Extensions Java Media Framework Java Naming and Directory Interface Java OpenAL Java Secure Socket Extension Java: View Technologies and Frameworks JavApi Javolution JConsole Jess (programming language) Jreality JSBML Location API for Java ME ObjectWeb ASM Pluggable look and feel Qt Jambi QuickTime for Java Standard Widget Toolkit Swing (Java) SwingLabs Synth Look and Feel Some more API
  • 13. 13 Summary: • Purpose • Java Platforms: • SE • EE • ME • Java APIs categories: • Official • Optional • Unofficial(Released by third parties) • Examples
  • 14. 14 References • http://en.wikipedia.org/wiki/List_of_J ava_APIs • http://docs.oracle.com/javase/tutorial / • http://en.wikipedia.org/wiki/Category: Java_APIs • www.roseindia.net › Java › Javaapi

Editor's Notes

  1. OpenGL (Open Graphics Library)[3] is a cross-language, multi-platformAPI for rendering 2D and 3D computer graphics. The API is typically used to interact with a GPU, to achieve hardware-accelerated rendering.
  2. The Java Message Service (JMS) API is a JavaMessage Oriented Middleware (MOM) API[1] for sending messages between two or more clients. JavaAPI for XML-based RPC (JAX-RPC) allows a Java application to invoke a Java-based Web Service with a known description while still being consistent with its WSDL description.JavaServer Faces (JSF) is a Java specification for building component-based user interfaces for web applications.[1]The Connected Limited Device Configuration (CLDC) is a specification of a framework for Java ME applications describing the basic set of libraries and virtual-machine features that must be present in an implementation.
  3. In computer science, reflection is the ability of a computer program to examine (see type introspection) and modify the structure and behavior (specifically the values, meta-data, properties and functions) of an object at runtime.[1]