Introduction of Java | Type of Application | Java Platforms | Java Tutorials in Hindi |#01
Java is a general-purpose computer programming language and a platform. that is concurrent, class-based, object-oriented. 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.
Platform: Any hardware or software environment in which a program runs, is known as a platform. Since Java has a runtime environment (JRE) and API, it is called a platform.
For example, you can write and compile a Java program on UNIX and run it on Microsoft Windows, Macintosh, or UNIX machine without any modifications to the source code. WORA is achieved by compiling a Java program into an intermediate language called bytecode. The format of bytecode is platform-independent. A virtual machine, called the Java Virtual Machine (JVM), is used to run the bytecode on each platform.
According to Sun, 3 billion devices run Java. There are many devices where Java is currently used. Some of them are as follows:
Desktop Applications such as media player, antivirus, etc.
Web Applications such as irctc.co.in.,
Enterprise Applications such as banking applications.,
Mobile,
Embedded System,
Smart Card,
Robotics,
Games.,
Standalone Application,
Web Application,
Enterprise Application,
Mobile Application,
Java SE (Java Standard Edition),
Java EE (Java Enterprise Edition),
Java ME (Java Micro Edition),
JavaFX,
JavaFX is a Java library that is used to develop Desktop applications as well as Rich Internet Applications (RIA).,
Introduction of Java | Type of Application | Java Platforms | Core Java Tutorials in Hindi
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