What Is A Jav

What Is A Jav
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What is Java?

How Java works

Why Java matters

Technical benefits

Business benefits

Java and IBM

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What is Java?
How Java works
Why Java matters
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Java and IBM

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Learn why Java remains such a popular develpment platform, and how it accelerates projects and supports a wide range of emerging technologies.

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Java is a widely used object-oriented programming language and software platform that runs on billions of devices, including notebook computers, mobile devices, gaming consoles, medical devices and many others. The rules and syntax of Java are based on the C and C++ languages.
One major advantage of developing software with Java is its portability. Once you have written code for a Java program on a notebook computer, it is very easy to move the code to a mobile device. When the language was invented in 1991 by James Gosling of Sun Microsystems (later acquired by Oracle), the primary goal was to be able to "write once, run anywhere."
It's also important to understand that Java is much different from JavaScript. Javascript does not need to be compiled, while Java code does need to be compiled. Also, Javascript only runs on web browsers while Java can be run anywhere.
New and improved software development tools are coming to market at a remarkable pace, displacing incumbent products once thought to be indispensable. In light of this continual turnover, Java’s longevity is impressive; more than two decades after its creation, Java is still the most popular language for application software development—developers continue to choose it over languages such as Python, Ruby, PHP, Swift, C++, and others. As a result, Java remains an important requirement for competing in the job market.
Before exploring the reasons for Java’s enduring popularity, let’s review what Java is in more detail and its importance for enterprise application development.
Java is a technology consisting of both a programming language and a software platform. To create an application using Java, you need to download the Java Development Kit (JDK), which is available for Windows, macOS, and Linux. You write the program in the Java programming language, then a compiler turns the program into Java bytecode—the instruction set for the Java Virtual Machine (JVM) that is a part of the Java runtime environment (JRE). Java bytecode runs without modification on any system that supports JVMs, allowing your Java code to be run anywhere.
The Java software platform consists of the JVM, the Java API, and a complete development environment. The JVM parses and runs (interprets) the Java bytecode. The Java API consists of an extensive set of libraries including basic objects, networking and security functions; Extensible Markup Language (XML) generation; and web services. Taken together, the Java language and the Java software platform create a powerful, proven technology for enterprise software development.
If you are an enterprise application developer, you already know what Java is, and it’s likely that your organization already has thousands, even millions, of lines of production code written in Java. You will likely need some level of Java expertise to allow you to troubleshoot, maintain, and upgrade your existing codebase.
However, it would be a mistake to view Java only in terms of legacy applications. The Java language forms the heart of the Android operating system , which powers by far the largest share of the world’s smartphones. Java is also among the most popular languages for machine learning and data science applications. Its robustness, ease of use, cross-platform capabilities and security make Java the language of choice for internet solutions in many enterprise shops.
In particular, Java technology is an ideal framework for developing web applications, the foundation for a digital business in any industry. Java application servers are web containers for Java components, XML, and web services, which interact with databases and provide dynamic web content. Java application servers form a stable deployment environment for enterprise applications with capabilities such as transaction management, security, clustering, performance, availability, connectivity, and scalability.
When it comes to choosing a programming language and environment for your next enterprise application, there are solid technical reasons to consider Java, including interoperability, scalability, and adaptability.
The core philosophy behind its creation—interoperability across disparate devices—remains the strongest argument for favoring Java for new enterprise applications. Java’s object-oriented architecture allows you to create modular programs and reusable code, shortening development cycles and extending the longevity of enterprise applications.
Platform scalability is a key attribute of Java. With Java, you can use one single system across a broad range of use cases. Existing desktop applications can be easily adapted to run on smaller devices that have limited resources. You can also migrate applications from mobile to desktop, developing business apps for the Android platform and then integrating them into your current desktop software, bypassing lengthy and expensive development cycles.
Java also wins points with strategic planners for its ability to adapt to new use cases. For example, Java is widely considered to be an ideal platform for the Internet of Things (IoT). The typical IoT application interconnects a large number of disparate devices, a task that is greatly simplified by the fact that billions of devices run Java. Furthermore, Java’s extensive ecosystem of developers is constantly developing and sharing new libraries with functionality specifically targeted at IoT application development.
An architecture for developing and deploying a Java-based web application on a Kubernetes cluster
The technical arguments for Java are compelling, but the business reasons to choose Java are equally strong: a large talent pool, a short learning curve, and a wide range of integrated development environments (IDEs).
As more companies use connected devices, machine learning algorithms, and cloud solutions, the demand for skilled developers continues to grow. Many analysts foresee a scarcity of senior-level programmers in the near future, making it difficult to staff new software initiatives. Demand for mobile app developers could soon easily exceed the available supply.
The large talent pool of Java developers constitutes a compelling reason to base major software initiatives on Java. When staffing managers post job openings for Java developers, they can expect to receive many qualified resumes and fill those positions relatively quickly. Managers can also draw on contract resources to supplement in-house staff for specific tasks without adding headcount.
In addition to senior-level developers, major software initiatives also require large numbers of junior contributors. While Java remains a popular introductory programming language in university computer science curriculums, many graduates lack the proficiency to be productive on day one. Java is easier to learn and master than many other programming languages, leading to a shorter learning curve and faster ramp-up to productivity. Java’s extensive online community of developer forums, tutorials, and user groups helps beginners get up to speed rapidly and provides seasoned programmers with effective, proven problem-solving tools.
In the area of programming tools, Java offers a range of IDEs. Experienced Java developers can quickly ramp up on a new environment, which frees development managers to choose the IDE that best fits the type of project, budget, development methodology and programmer skill level. Many seasoned Java programmers think of NetBeans, Eclipse, and IntelliJ IDEA as the top three IDEs for enterprise application development. But there are cases where a more lightweight IDE such as DrJava, BlueJ, JCreator, or Eclipse Che is the best choice.
Fortune 500 companies answer the question "What is Java?" by saying that it is a staple in the world of enterprise application development. The vast majority of these companies depend on Java for production applications. Many of these applications are migrating to mobile platforms, a process made much easier because of Java’s portability and scalability.
Despite the ever-widening choice of software technologies, Java remains popular with software managers due to the ease of learning and its ubiquity. Seasoned developers take advantage of extensive Java online resources and communities to streamline application development and simplify troubleshooting, reducing time to market and increasing quality. For both business and technical reasons, Java will continue to be an essential technology in software groups developing enterprise applications.
Java will remain part of application modernization as the demands for better customer experiences and more applications impacts business and IT operations. When it comes to meeting such demands, a move toward greater automation also helps. Ideally, it would start with small, measurably successful projects, which you can then scale and optimize for other processes and in other parts of your organization.
Working with IBM, you’ll have access to AI-powered automation capabilities , including prebuilt workflows, to help accelerate innovation by making every process more intelligent.
Get started with an IBM Cloud account today.

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Last updated on Sep 30,2021 157.7K Views
Aayushi Johari A technophile who likes writing about different technologies and spreading knowledge. A technophile who likes writing about different technologies and spreading knowledge.
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What is Java? Java is a cross-platform object-oriented programming language that was released by Sun Microsystems in the year 1995. Today, Java is needed to run various applications such as games, social media applications, audio and video applications, etc.
In this blog, I would be covering following topics:
Before I go ahead with this, let me brief you about why you should choose Java. It is highly popular and has dominated this field from early 2000’s till the present 2018.
Some of the applications are listed below:
Let’s see how some of the technologies make use of Java as an essential core of their functionalities.
Let’s see how some of the technologies make use of Java as an essential core of their functionalities.
You can see in the above image, Java is an ocean of opportunities .
Let us see a brief history of Java.
Java is a programming language developed by James Gosling with other team members named Mike Sheridan and Patrick Naughton also called as Green Team in 1995 for Sun Microsystems for digital devices such as set-top boxes, televisions etc. Now, let us explore the language in detail.
It is an object-oriented language similar to C++, but with advanced and simplified features.This language is free to access and can run on all platform
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