10 Full-Stack Java Programmer Skills You’ll Want To Know
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Java is considered the 2nd most preferred programming language according to the TIOBE and Popularity of Programming Language (PYPL) Index.
Java is a secured and distributed programming language making it feasible for simple to complex application development. A Full-Stack Java Developer is an end-to-end developer specializing in Java and other related technologies and is responsible for developing end-to-end products. If you are looking for significant career growth, becoming a Java developer is an excellent choice. A Java programmer has strong knowledge and experience with full-stack tools and frameworks. They should be able to work with Core Java, servlets, REST API, frameworks, and other tools in the Java suite for efficient web app development.
There are 45 billion active Java virtual machines globally.
Google frequently removes low-quality material from its app store, so the actual number of applications keeps fluctuating. If you want to make a mark with your Android app, then you need to have a brilliant mobile app idea and access to the team that can provide life to that idea. Developing an Android app means entering into a new world of tough competition. One mistake can cost you the game.
Your app may be innovative in terms of concept, but if there isn’t a market demand for it, you’ll struggle to attract downloads. Your journey of launching a successful business app starts when you hire an Android coder. The right app development team can help you expand your foot in the market. If you choose to hire an Android developer from India, you’ll be provided with world-class Android app development services.
As per Stack Overflow’s developers’ survey 2021, Java is the 5th most popular language among developers.
This is because Java is simple and even supports multi-threading and APIs for app development. In fact, Java is the most-used programming language as compared to others. That’s why learning the core requirements of Java can boost up your career as a Java developer.
Let’s check out what are the top 10 skills you should learn to become a full-stack Java developer:
Java is an all-around programming language used to develop software applications.
According to PYPL, Java has a share of 18.12% globally, making it among the top three developmental languages.
Java is open-source, allowing it to run on all platforms. Therefore, it’s relatively easy to build scalable products using this wide-scope programming language. In order to become a master in full-stack Java development, a Java programmer needs to be well-versed in certain skills. From the basic principles of Java to knowledge about APIs and the vast frameworks, a Java developer needs to learn a variety of skills to keep up with the competitive industry.
1. Core Java
One of the basic requirements to become a Full-stack Java programmer is to have expertise in core Java.
This popular programming language is used by 9 million developers all over the world and is one of the most influential object-oriented languages.
This signifies the diversity of this language resulting in its significant popularity over the decades. You need to be equipped with the major Java fundamentals to become a successful Java programmer.
A full-stack Java developer must possess strong knowledge of different Java versions, especially 5, 8, and 9, because of their innovative features. You need to be comfortable working with Unix or Linux operating systems, have ample understanding of web frameworks like JSP, Spring, Ratpack, Servlets, etc., and the intricacies of relational and non-relational databases. When a company hire Java developer, they look for someone with this principle knowledge.
In the 21st century, the digital wave has created a ripple in application development services. Various companies worldwide are changing their course from monolithic applications to microservices. Microservices is an architectural style in which a single application is developed as a collection of separate services, with each service having its workflow. The workflow is communicated to the client via lightweight protocols, such as messages or HTTP, in multiple cases.
Java is considered the number 1 development language for microservices.
Therefore, having an adequate understanding of microservices architecture components can be of added advantage. The main areas are authentication, authorization, data security, network security, and deployment. Therefore, one of the most integral skills a Java programmer requires is to develop applications as a collection of smaller services rather than a single large app.
A business prefers to hire Java programmer having adept expertise in microservices. This is because a full-stack Java developer can build compelling applications in different environments adhering to the DURS principle. They can execute the domain-driven design, isolate failure factors, implement continuous delivery plans, cater to decentralization and DevOps to craft a feasible application. You need to understand microservices patterns and incorporate the best practices to increase your chances of employment as a Java developer.
3. DevOps Tools
The knowledge of DevOps is indispensable for a modern full-stack Java developer. They must be familiar with continuous integration and deployment to bring a company’s vision to life. Java is the number 1 language for DevOps, Big Data, Artificial Intelligence (AI), Virtual Reality (VR), Mobile, Chatbots, Analytics, Continuation Integration, and Social.
Therefore, a Java programmer must garner essential DevOps tools and technology skills.
A full-stack Java developer needs to implement best practices for programming, know how to set up an infrastructure environment, and create scripts and standards. These can be done when a Java developer can use popular tools like Jenkins, Docker, Git, Kubernetes, and Splunk. Possessing adequate DevOps knowledge can be beneficial for a developer since it aids in streamlining the process of agile operation of app development.
When you hire Java developer for your business, you want your application to be crafted systematically to eliminate developmental issues. Using the DevOps model, a Java programmer can unify the development and operations team. It would enhance quality assurance along with seamless testing and deployment.
4. HTTP & REST
A capable Java programmer can utilize HTTP and REST to enable server communication with the client. In this respect, HTTP (HyperText Transmit Protocol) allows the server to connect with the client. Whereas REST (Representational State Transfer) is an interface between systems that uses HTTP to retrieve data and perform operations in any format. Therefore, REST API acts as a translator that aids the back-end to understand the front-end for easy implementation.
As a full-stack developer, it is crucial for you to gain expertise in these technologies. Companies tend to hire Java developers who are skilled in these APIs to ensure developers can build software adhering to their business objectives. Garner knowledge regarding these interfaces to become a skillful Java programmer to craft innovative web applications.
5. Software & Web Architecture
According to Stack Overflow’s developers’ survey 2021, 35.35% of respondents preferred Java over other programming languages for extensive application development.
Therefore, as a full-stack developer, you’re required to be proficient in front-end and back-end development. You also need to be adept in software design and architecture since they are among the most important aspects of software development.
If you want to become a resourceful Java programmer, you must gain knowledge of software application architecture. The three primary layers of this architecture consist of the database, application, and presentation layer. Level up your programming skills by learning the process of storing and retrieving data by using systems like MySQL, Oracle, MongoDB. A full-stack Java developer needs knowledge of applications core capabilities, web technologies, and development framework.
You must know how to structure code and separate files besides front-end and back-end development. When you divide files, you must maintain track of their whereabouts while organizing data in databases and performing computational activities. Hire Java developer seasoned in designing and building software and web architecture. Identifying the right architecture and technology can help you execute your app as desired.
6. Java Server Pages
Java Server Pages or JSP is a server-side programming technology. This back-end technology enables the development of platform-agnostic web applications where you can handle dynamic content and access all of the Java APIs. As a Java programmer, you must learn how to use JSP as it helps to build efficient web applications. JSP is a core requirement of Java Servet specification. Both of these technologies are required for developing dynamic web applications. You need to develop your base from the basic principles of Java to become a skilled developer.
JSP is a must-learn technology for a full-stack Java developer. A JSP page consists of HTML as well as JSP tags that are easy to maintain, design, and develop. It also provides additional features like custom tags and expression language. A company seeks to hire Java programmer who has competency in JSP when looking to build a platform-independent application. So, develop the necessary skills to increase your chances of getting hired as a capable Java programmer.
Full-Stack Developers must have an adequate understanding of using HTML (HyperText Markup Language) and CSS (Cascading Style Sheets). HTML is a markup language that is used to develop basic web architectures. For the efficient presentation of HTML elements, developers must know how to implement CSS. A Java programmer is required to be an expert in both. When a business hire Java programmer, they expect you to have these skills to develop user-friendly and visually rich applications.
8. Database & Related Frameworks
Java is among the fastest programming languages used in the present decade with high scalability. A Java programmer needs to possess the basic knowledge of SQL and related topics to build comprehensive databases. You need to acquire knowledge of relational and non-relational databases along with working knowledge of query languages like SQL and NoSQL. They are required for data repositories to store data for future access. Knowing how to structure, maintain and link databases are key functions of a full-stack Java developer.
To ensure your database, along with Java applications, lives up to its full potential, you should have significant knowledge of Java frameworks. Frameworks based on Java like Spring, Spring Boot, Hibernate will also help understand the application while handling data. Apache Spark, React.js, Node.js, Angular, and Bootstrap are also some of the popular frameworks. Get familiar with these frameworks if you want to excel as a Java programmer.
9. Spring Framework
As per Stack Overflow’s Developers’ survey, 14.56% of developers have engaged in crafting web applications and software using the Spring framework in 2021.
Therefore, learning the Spring framework is almost mandatory for a Java developer. In the present decade, most companies construct web applications, REST APIs, and microservices utilizing Spring frameworks such as Spring MVC, Spring Boot, and Spring Cloud. Its extensive feature-set helps to manage an entire ecosystem into one single framework.
Hire Java developer having the essential knowledge on implementing the Spring framework. In this way, you reduce the turnaround time and elevate the quality of your application. Adequate knowledge of the Spring framework encourages best practices such as dependency injection and makes your application more testable. A full-stack Java programmer should also possess knowledge regarding the Spring Boot framework that helps the setting up, configure, and run web-based applications faster and easier.
Implementation of the Spring module is a must for present-day software development. It provides the scope for the application to be testable, eliminating the scope of errors. As a Java programmer, you need to learn this key skill that can assist in rapid application development, impacting productivity positively.
10. Junit & Mockito
If you want to become a professional in Java, you have to learn about different frameworks besides the Spring framework. Two of the key frameworks you should know as a full-stack Java programmer are Junit and Mockito. Junit is a Java framework used for unit testing the Java code. This open-source framework aids in checking the functionality of a program or test case. On the other hand, Mockito is a framework used to isolate parts of your code for testing. It is essentially a framework based on mocking.
Having a significant understanding of both these tools helps you conduct seamless unit testing, integration, and automation testing. You need to level up your skills by learning about these frameworks and their practical implementation. JUnit is one of the best libraries to build up your skills.
Full-Stack Java developers are currently in demand, and this popularity is expected to increase in the future. A Java programmer can build mobile and cloud applications, chatbots, games, enterprise, and scientific applications, among others. Therefore, becoming a Java developer provides you with abundant career opportunities and the scope to further scale-up. To efficiently craft various software applications, you need to possess full-fledged knowledge regarding Java developmental services.
You need to learn the core skills of Java, ranging from but not limited to Core Java, microservices, databases, frameworks, and APIs. This high-level programming language that can run on any platform is also used to develop application servers. Companies hire Java developer having relevant knowledge about Java and its practical implementation. Learn the skills mentioned above and gain valuable experience for a fulfilling career as a Java Full-Stack Developer.
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