Is a popular programming language, created in 1995.

It is owned by Oracle, and more than 3 billion devices run Java.

Java works on different platforms (Windows, Mac, Linux, Raspberry Pi, etc.).

It is used for:

  • Mobile applications (Android apps)
  • Desktop applications
  • Web applications
  • Web servers and application servers
  • Games
  • Database connection

Is one of the most popular programming languages in the world. It has a large demand in the current job market. It is open-source and free. It is secure, fast and powerful. It has huge community support (tens of millions of developers). As Java is close to C++ and C#, it makes it easy for programmers to switch to Java or vice versa.

Is an object oriented language which gives a clear structure to programs and allows code to be reused, lowering development costs. In Java, everything is an object. Java can be easily extended since it is based on the object model.

Is platform pndependent. Unlike many other programming languages, including C and C++, when Java is compiled, it is not compiled into a platform-specific machine but rather into platform-independent byte code. This byte code is distributed over the web and interpreted by the virtual machine (JVM) on whichever platform it is being run on.

Is designed to be easy to learn. If you understand the basic concept of OOP Java, it would be easy to master.

Is secure. With Java’s secure feature, it enables the development of virus-free, tamper-free systems. Authentication techniques are based on public-key encryption.

Is architecture-neutral. The Java compiler generates an architecture-neutral object file format, which makes the compiled code executable on many processors with the presence of the Java runtime system.

Is portable. Being architecture-neutral and having no implementation-dependent aspects of the specification makes Java portable. Compiler in Java is written in ANSI C with a clean portability boundary, which is a POSIX subset.

Is robust. Java makes an effort to eliminate error-prone situations by emphasizing mainly compile-time error checking and runtime checking.

With Java’s multithreaded feature, it is possible to write programs that can perform many tasks simultaneously. This design feature allows the developers to construct interactive applications that can run smoothly.

Is interpreted. Java byte code is translated on the fly to native machine instructions and is not stored anywhere. The development process is more rapid and analytical since the linking is an incremental and light-weight process.