Java is a class-based general-purpose programming language. It is a high-level programming language and designed to have as few implementation dependencies as possible. It is intended to let users write once, run anywhere (WORA). It can run on Microsoft Windows, Mac OS and the various versions of Unix. Java was originally developed by James Gosling at Sun Microsystems and released in 1995. It was initially called Oak after an oak tree that stood outside Gosling's office. Later it was renamed Java, from Java coffee, the coffee from Indonesia. The latest version is Java 13, released in September 2019.

Scope of Java:

Java is one of the hottest programming languages. Java is now managed by Oracle which means there is a lot of scope for Java in terms of growth as a platform and its core APIs. Java’s latest major release is Platform Standard Edition 8. The Android operating system in our mobile devices also uses Java APIs. Most of the enterprises use Java for programming as this can be used both in software and web development.

Job opportunities in Java:

There are lots of job opportunities in the field of Java, such as ‘Java-UI Developers’, ’Android Developers’ and many others. There are numerous job opportunities available in Java, J2EE combining with other new technologies. With descent experience, these technologies can be among the highest paid jobs in the IT industry. Companies like Infosys, TCS, Wipro, Cognizant, etc are looking for Java professionals, who can manage multiple projects in J2EE and are ready to provide them up to 10lpa as salary.

Applications of Java:

Java is being widely used in the industry. It is having n number of applications.
1) Mobile Applications: Android is one of the most popular mobile operating systems and android applications are usually scripted in Java using the Android Software Development Kit (SDK).
2) Desktop Applications: The desktop applications can be easily developed by Java through the means of Abstract Window Toolkit (AWT), Swing and Java FX.
3) Web-based Applications: Java can be used to develop web-based applications. With technologies like Servelets, Struts or JSPs, you can develop any kind of web application.
4) Scientific Applications: Java can be used to design highly secure programs that are highly portable in nature. The applications like MATLAB are developed using Java.

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