What Java Skills Are In Demand? – Skills For Java Developers

Java has been a principal programming language since its introduction in 1995. It’s a compiled language whose object code isn’t limited to any one processor or computer, presenting it as an outstanding choice for cross-platform applications, including web applications and server-side code. Today, Java is the most conventional choice for writing Android apps. It’s also extensively used in cloud applications, machine-learning environments, and Internet of Things technology

Java developers need a wide range of skills, from a thorough knowledge of the basics to an understanding of the latest developments. Java developers also require knowledge surpassing the language itself, including how the development process operates and how to steer the environments in which the code runs.

In 2020, Java rejoiced its 15th anniversary. Despite its age and legacy, Java isn’t going to go away quickly. Statista reports that as many as 40% of developers all over the globe code in Java. With these statistics, Java lands in fifth place in the global rating of programming languages. Therefore, developers seeking a career as a Java developer, need to achieve aggressive advantage. Here we’ll share the top Java developer skills if you want to become an ondemand professional.

Top Java Developer Skills That Will Skyrocket Your Career

#1. Basic Java skills:

What does a Java developer create? They make various software: from desktop and web applications to cloud systems and mobile apps. Java’s abilities stretch to Big Data apps along with Python. If you want to accomplish in your career as a Java developer, examine our Java technologies list:

  • Object-oriented programming (OOP) principles as Java is an OOP language.
  • Relational databases, such as MySQL, PostgreSQL, and MariaDB. Writing MySQL queries will come in helpful as well.
  • Running with an integrated development environment (IDE) like IntelliJ IDEA.
  • Modern version control systems like Git and BitBucket.
  • Web frontend technologies like HTML, CSS, and JQuery.

#2. Additional language or technology

Various frameworks and languages determine different programming tasks. That’s why being a programming language polyglot is required. DevSkiller, a developer screening platform, published an annual IT skills report that shows additional technologies Java developers study along with their main language. As high as 26.28% of companies are seeking for developers with the Java and SQL skill set. Meantime, 6.86% of employers need professionals with a Java + JavaScript stack.

In addition to the language itself, developers operate in a specific environment. Thus, the most common Java skills include Selenium, Android, Spring/Spring Boot, and JPA/Hibernate.

#3. Spring framework 5

In 2020, more than 2,500 websites are using the Spring framework to develop Java applications. This framework is somewhat related to a library, with a little exception. Using a library, you solely create objects of the classes, call the methods, and get the wanted result. Spring tries to differ from tight connectivity (when classes directly depend on other classes and interfaces from this framework), and use annotations for this plan.

Currently, Spring is based on the Model-View-Controller (MVC) framework that divides operations, business, and representation layers. Developers recognize Spring for its excellent object injection capabilities, elegant syntax, simplicity, automation testing tools like JUnit 5, and low barrier to entry even for Java newbies.

#4. Android + Kotlin

Many developers begin developing mobile apps, eliminating the web development phase. Knowledge of Kotlin to build Android applications will assist you to stand out of the competition. The Android platform is gradually moving to Kotlin which is a revised Java language.

#5. Unit testing

As your App progresses, it becomes more difficult to support it and write automated tests that involve unit and integration tests that need launching an application. In Java, the deployment and assembly of an application aren’t quick. That’s when unit testing tools like JUnit and TestNg come into action. These frameworks speed up the writing of automated tests, give a simple syntax, and equip you with instant feedback on passed tests.

Tools like JUnit JUnit supports the idea of a “testing first” strategy that enhances the productivity of the programmer and the stability of the codebase, which in turn diminishes the load on the programmer and the time consumed on debugging.

Advanced Skills For Java Developers

As both a development language and an ecosystem, Java pulls more and more people every day. Because learning Java has never been so convenient—thanks to books, articles, tutorials, classes at all levels, conference talks, and more than 550 Java User Groups across the world for networking—the 14 million developers who promote Java savvy are poised to get lots of new company, and soon.

Here are few advanced skills a top candidate should have

  • AI & MAchine learning
  • Blockchain
  • Python
  • Hadoop/Bigdata
  • Springboot/Microservices
  • Amazon Webservices
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