Java application is an independent Java program that operates on a client or a server. The Java Virtual Machine executes the commands, and Java programs have complete access to the computer’s resources, just like any other programming language running in its native environment. The four main types of Java applications are standalone, web, enterprise, and mobile.
Java applications can be classified into a couple of major types listed below:
Java is an open-source, cross-platform application used to develop apps that can run across mobile devices including smartphones, tablets, etc. It is the second most widely used language in the app development industry. Some examples of mobile apps developed using Java are Netflix, Spotify, Twitter, and more.
Real-world mobile apps developed using Java:
Using Java, developers can create flawless and highly competitive desktop applications. Java offers an extensive library of responsive APIs such as JavaFX, Abstract Windowing Toolkit (AWT), and Swing that enables the development of modern GUI tools. Visual feedback and display of multiple instances simultaneously make Java ideal for desktop GUI apps.
Real-world desktop programs developed using Java:
- Adobe Acrobat Reader
Java can be used for developing web applications because of its ability to interact with a variety of systems. It enables dynamic web app development that allows interaction with interfaces. The presence of wide API, excellent IDEs, reusable tools, and enhanced security features makes Java appropriate for web applications.
Real-world web apps developed using Java:
A program that uses Hypertext Transfer Protocol (HTTP) along with other protocols for storing, processing, and responding to client requests via the World-Wide Web (WWW) is known as a web server application. On the other hand, an application server is a framework that stores business logic and handles tasks between the client end and the back end.
Real-world web server apps using Java:
- Apache Tomcat
- Project Jigsaw
Real-world application server apps developed using Java:
Since Java allows developers to build apps that can be accessed on cross-platform including iOS, Android, Windows, macOS, and more, it is used widely for building enterprise apps. Strong memory management capabilities of Java ensure the high performance of apps. Java applications run on all platforms, so app owners can earn more money.
Real-world enterprise apps developed using Java:
- ERP (Enterprise Resource Planning) systems
- CRM (Customer Relationship Management) systems
With enhanced security features, Java allows for the development of high-end scientific applications by coding complex mathematical operations. Java is considered powerful for developing scientific reasoning, numeric analysis, and mathematical computation applications. Java runs inside the JVM, it possesses the capability to verify bytecodes coming from outside.
Real-world scientific apps developed using Java:
- MATLAB (Mathematical Laboratory)
Whether you want to build a 2D or 3D gaming app, Java is a powerful programming language as it includes a wide range of open-source frameworks. It is nearly impossible to build Android gaming apps without Java. jMonkeyEngine and Dalvik Virtual Machine are top-notch tools that allow the building of high-end gaming apps in Java.
Real-world gaming programs developed using Java:
- Mission Impossible III
- Asphalt 6
Java allows building big data applications that possess the ability to store a large volume of data. Apache’s HBase and Elastisearch utilize Java to enable companies to take benefit of data-based app development. Hadoop, a popular big-data platform is built using Java programming language.
Real-world big data programs developed using Java:
Java is an open-source, object-oriented language that is growing rapidly and fulfilling the ever-rising demand of business owners. Flexible integration, cross-platform compatibility, and powerful performance are some of the aspects that make Java ideal for business apps. Developers use Eclipse, NetBeans, JBoss, etc. tools for creating business programs in Java.
Real-world business apps developed using Java:
Applications that run over multiple computers and networks simultaneously are distributed apps. Java uses Common Object Request Broker Architecture and Remote Procedure Invocation APIs to build distributed applications. JavaSpaces enable programmers to distribute and migrate objects across the Java ecosystem.
Real-world distributed apps developed using Java:
Cloud apps provide users with on-demand access to content without the need to manage hardware and software resources. Java has become a popular platform for the development of cloud applications at affordable cost. Since Java is a robust programming language, it offers a vast platform for developing cloud server apps.
Real-world Cloud apps developed using Java:
A software tool is a set of programs that are used by developers to create, analyse, maintain, debug, test, or support old computer applications and programs. Programmers across the globe use Java to build powerful, highly competitive, and easy-to-manage software tools keeping the scalability factor in mind.
Real-world software tools developed using Java:
The code is reusable which means after coding a Java program, coders can use it anytime which saves time and effort. Java can be used for developing programs that run on a single computer or in a distributed environment.
Once the developer becomes familiar with JDK installation, PATH setup and understands how the CLASSPATH works, the complex tasks to write a code turns easy. Due to the wide popularity of Java, there are many resources and guides you can learn from. It is a universally known language used widely for almost all kinds of app development projects.
Examples of Well-known Java Applications
Some of the popular Java applications are:
- NetBeans IDE
- Google Android API
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