The Java Language was earlier titled the OAK in its initial days. It was originally developed to handle set-top boxes and portable devices. It was later modified to Java programming language to take advantage of the world wide web development business. With time, it witnessed a lot of changes in its features as well as components. As of now, the Java language includes the following components:
1. Java Development Kit (JDK): It is a software development platform that is used to make Java applications and applets. Java developers use the Java Development Kit (JDK) on Linux, Solaris, Windows, and macOS. It helps in the coding and running of various Java programs. Moreover, developers can install more than one version of JDK on their computers. The main reasons for choosing JDK are listed below: It includes tools that are required to write Java programs. It also includes Appletviewer, Java Application Launcher, and a compiler. The compiler is responsible for converting the Java code into bytecode.
2. Java Virtual Machine (JVM): It is another essential component of the Java language. This engine is responsible for providing a runtime environment. In return, the environment drives the Java code or application. The main task of JVM is to convert the Java bytecode into the machine language. It is also a part of the Java Runtime Environment (JRE). The codes for Java Virtual Machine (JVM) are produced by the Java compiler. Here is why it is important to use JVM in the Java language: It provides an independent platform to execute the Java source code. It includes multiple tools, libraries, and frameworks. Once a developer runs a Java program, that can be later run on any platform. It also includes the Just-in-Time (JIT) compiler that is responsible for converting the Java source code to low-level machine language.
3. Java Runtime Environment (JRE): This software is designed to run other types of software. It includes the loader class, Java Virtual Machine (JVM), and class libraries. A developer needs a JRE to run a Java program. That is why it is one of the most important components of the
. Following are the main reasons behind JRE’s importance: It includes JVM, class libraries, and other supporting files. It also uses essential package classes such as swing, match, lang, util, and other runtime libraries.
A developer should install JRE in the system to run Java applets. Here is a look into the main features of the Java language: The Java programming language is one of the most easy-to-use languages. Once a code is written in Java, it can be run on any platform. The Java language is a platform-independent language. It can always be executed in other machines. It is designed to build object-oriented applications. The Java programming language is a multithreaded language that also has automatic memory management. It is created for the internet’s distributive environment. The Java language includes facilities for distributing network-centric computing.