The popularity of Java has never been questioned because it has always been one of those languages that is always in demand. If you go by statistics, Java has been backing up multiple applications by providing a variety of tools, enhancements and consistent support from the software development community. Thus, there is no hesitance in using Java for real-world applications. Since Java has been structured in a way that it can be used by anyone and anywhere, in the market there are many examples of using Java for real-world applications. In this blog, we will be seeing how Java has been acting impactful for all other applications.

1. Uses of Java in the Real World!

Java language is a game-changing language for multiple businesses and has been a part of the success of many leading enterprises. Businesses know that Java has been a backbone during the process of development of  Macintosh, Windows, and even UNIX-based systems. Also, from a commercial point of view, everything from e-commerce websites to android apps, from scientific applications to financial applications like electronic trading systems- Java is everywhere. From games like Minecraft to desktop applications like Eclipse, Netbeans, and IntelliJ. From an open-source library to J2ME apps, Java programming language is used in many places in the real world. Let’s take a closer look at each of them.

Applications of Java

1.1 Android Apps

Android currently holds roughly 87% of the worldwide market share for mobile devices.- Statista

When it comes to mobile phones, Android, which is based on Java, is the most popular.

how is java useful for android app development?

 When it comes to mobile app development, almost every popular software is using Java, Whether it’s productivity applications or payment applications or travel applications or banking apps has an Android version. There’s also the gaming world, which includes anything from adventure video games to board game adaptations.

Java language has been the most obvious choice for android app development and it is a versatile choice for businesses. One of the popular reasons for choosing Android is its simplicity and user-friendliness which has brought so many users.

1.2 POS Systems

Although Google has begun to use Kotlin as the primary language for Android, Java is still widely used. Java as a programming language is ideal for developing applications for retail POS terminals. Android is the most common operating system for terminals. Java is one of the most popular programming languages for this platform. It’s also simple to upscale the terminal system owing to its phenomenon of operating – Write Once, Run Anywhere. Java Developers can write the code just once and can run it on multiple systems.

1.3 Web-Based Applications

can i use java in web apps?

Java programming language is capable of building all types of web-based applications with multi functionalities. It is because of the variety of java features its libraries hold and are capable of offering. The multi variance of java includes frameworks such as Servlets, struts, JSP (Java Server Pages) and JSF (Java Server Faces), Spring, Hibernate, and web-servers such as Apache Tomcat, Apache HTTP web-server, Resin, Adobe JRun, and others. These Java-based functions facilitate the creation of web applications in Java.

Java’s simple coding and excellent security make it possible to create a wide range of applications in the fields of health, social security, education, and insurance.

1.4 Enterprise Applications

why is java frequently used for enterprise applications?

The comprehensive capabilities of Java fulfil the criteria for all types of enterprise applications. Thus Java programming language has become the primary choice for their development. Most corporate firms in today’s world rely on Java-based applications because it is the most secure, powerful, and scalable language available. The Java Enterprise Edition is an API that gives software developers the tools they need to build enterprise-scale, multi-tiered, scalable, dependable, distributed, including web services and secure network applications. Because Java supports robust memory management, it increases the efficiency of these programs by automatically deleting unnecessary memory.

1.5 Big Data Technologies

is java import for big data?

Have you heard of Hadoop– an open-source framework for big data? The utilization of Java created the Hadoop open-source framework, which is connected with big data. Many well-known big data technologies, such as Apache Hadoop, Apache Spark, and Apache Mahout, are Java sub-projects.

Java technology is also the foundation for some of the most sophisticated programming languages, or a pure object-oriented language.  Java developers can readily convert programs into other codes and can be used in a variety of applications.

1.6 Java Cloud-Based Applications

Java has not surprised us by integrating one more system into it. Cloud-based computing is a method of processing, management, and storage of data utilizing off-site servers connected to the internet. The Java cloud-based app is a pay-as-you-go model that allows you to replace all in-house local networks with cloud-based links. For distributed computer systems, you can employ cloud computing quite frequently. There are many Java Cloud development tools available such as the Oracle Java Cloud Service, including Oracle Java and other platforms serving as developing platforms for cloud-based applications. You can easily use Oracle WebLogic servers to create apps with full-featured java applications for a specific environment.

1.7 Distributed Applications

When the distribution of applications is dynamic in nature, they provide a different way of implementation. The nature of the systems and platforms on which they operate, distributed applications have certain common needs. Java being one of the leading provides a number of alternatives for implementing these apps. Java-powered JINI -Java Intelligent Networking Infrastructure is a specification-based infrastructure for providing, registering, and finding distributed services. JavaSpaces is a technique that facilitates the distribution and migration of apps in a network. The key to distributed networks is an important feature of Jini.

1.8 Programs in Finance Industry

In the financial sector, Java has long been the go-to software development option, and many successful banking applications and solutions are still used it. Java has a significant advantage over competing technologies in that it can run on any device. Java runs in a virtual environment that can launch the software from any location and uses the same code.

why is java so popular in banking industry?

It has been a long time since the banking, finance, and insurance firms have utilized Java to develop their computing platforms. Since Java as a programming language is well-structured, and allows good data processing, with built-in security measures, making it ideal for both traditional banking enterprise applications and new-edge FinTech firms.

1.9 Desktop GUI Applications

We can produce Desktop GUI applications utilising Java. Java renders Abstract Windowing Toolkit, JavaFX, and Swing for generating the GUI based desktop application. The tools include the pre-assembled components such as the list, menu, and button.

1.10 Java Mobile Applications

Android OS is almost based on Java, and Android mobile consistently earns a market share of 87%. It is considered as the fact that most mobile app developers describe Java as their official programming language. Java is harmonious with app designing software like Kotlin and Android Studio. Java Platform, Micro Edition (also known as Java ME or J2ME) operates as a cross-platform framework for building mobile applications that run over every Java-support device.

1.11 Java Web Servers and Application Servers

The strong Core Java ecosystem has provided growth to various Java web application servers. Web server space is a place for servlets such as Apache Tomcat, Project Jigsaw, and Rimfaxe Web Server (RWS). Meanwhile, servlets such as WebLogic, WebSphere, and JBoss EAP have a strong niche in the commercial application server space.

2. Why Java?

Java is an object-oriented programming language, it separates everything down into objects with specific amounts and capabilities, making it easier to handle the complexity of real-world applications.

Java will almost certainly not perish since it just works. It is currently an essential component of many important IT infrastructure systems, and switching to another language for minor gains is not worth it.

It runs on practically any current hardware and has a very low technological dependence. This means less money spent on installing and maintaining Java software. As well as the flexibility to connect all devices and operating systems often used in businesses, such as Windows, Mac, and mobile devices.

Libraries are created expressly to fulfil the demands of businesses and to overcome the challenges. Those challenges that the Java developers confront while creating business applications. These libraries are also free, open-source, and business-friendly, so you can get started utilizing them right now.

3. Conclusion

Finally, we have reached the end of the blog which gave us insights on Java and how it is present in the real world for developing web applications. Java is a completely portable language. You can use the Java environment for your application for majorly all apps and not just the launched ones. It supports not only smartphones but also any other computer because the language runs on a virtual machine JVM. You can install JVM on any device, regardless of the operating system. JVM also supports other programming languages, including Scala, Kotlin, and Groovy,  Java has been working regardless of the domain, and industries of company size. It’s one quality that makes Java a global preference is Scalability and adaptiveness which drives many businesses to opt for Java.

Itesh Sharma

Itesh Sharma is core member of Sales Department at TatvaSoft. He has got more than 6 years of experience in handling the task related to Customer Management and Project Management. Apart from his profession he also has keen interest in sharing the insight on different methodologies of software development.


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    1. kaily

      Thank you for sharing this detailed insight on use cases of Java. After reading this article, I got to know how Java can be useful in different applications, including web-based applications, Java mobile applications, Android apps, POS systems, desktop GUI applications, etc. Scalability and adaptability are two features that increase Java's popularity.

    2. Chloe

      This blog highlights Java's popularity as a programming language and how it is used in the real world, like in e-commerce websites, Android apps, scientific applications, and financial applications. Thanks for sharing.