Top 10 Libraries Every Java Developer Should Know

Even if your team has business analysts who write the specifications, the better you can communicate with your business users, the better the applications you’ll create. For instance, the developer should know what are the most common errors that create a memory leak. Also, the developer has to know about what is the best moment to implement different kinds of software patterns. Great Java developers are masters at tackling a question head-on with thorough research, thoughtful questions, and immense patience. Many developers will tell you that Java is one of the most difficult languages to learn, making a strong work ethic and great research skills essential to success.

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Along with JUnit, you should also learn Mockito, a leading Java library for creating mock objects. It has many applications like searching and analyzing log files like the way Splunk does. If you want to learn https://remotemode.net/ more, this Complete Guide to ElasticSearch course on Udemy is a good one to join. It’s a search engine based on the Lucene library and allows you to reliably search, analyze, and visualize your data.

Jobs

I generally found many complex projects are better to work in IntelliJ IDEA, their Java 8 support is also much better than Eclipse. Anyway, if you are serious about learning this IDE in 2023, then I suggest you go through IntelliJ IDEA Tricks to Boost Productivity for Java Devs to further increase your productivity. After Git, I think JIRA is the second most important tool for any Java developer or say any programmer out there. It has quickly become the #1 Planning and bug tracking tool for many organizations.

what every java developer should know

Once you’ve mastered Java and built a few small applications, you’re ready to redesign your resume and apply for a position as a junior Java developer. If you’re interested in becoming a Java developer, you can take six simple steps to build your skills and become a Java expert. As developers must update programs to ensure they’re functional and secure, you need to develop regular updates.

Essential Java Skills for Every Developer’s Career

They support a variety of test activities, including planning, requirements, building a build, testing, defect tracking, and analysis. Java knowledge from university is hardly ever useful for business coding. So unless you recruit for an entry, junior position you can skip assessing Java skills based solely on university education and degree.

  • There are also a couple of tools to help you detect memory leaks in your code.
  • GitHub has been available around the world for years, and many developers use it with Eclipse, but most of them struggle to master Git on the command line.
  • A recent survey has shown that developers are interested in Architecture, Microservices, DevOps Tools, Junit & Mockito, and Spring Boot.
  • If you’re making major changes or running a risky experiment, you can set a restore point on your machine with the Checkpoint-Computer cmdlet.
  • Java developers are often expected to be skilled at conducting unit tests.

Spring Boot has support for deploying web applications as jar files. Web applications can be deployed on Tomcat, Jetty, and Embedded HTTP Servers. It also has features related to providing metrics, health checks, and externalized configuration. CLI tool is provided in the framework for creating and executing the https://remotemode.net/become-a-java-developer-se-9/ web application. It helps in cutting down the project cost, development time, and improves efficiency and quality. This list is by no means comprehensive but it’s a decent list and you can learn these skills to not only become a better Java developer but also get job-ready or give your career a boost in 2023.

Docker and Kubernetes

It supports both synchronous and asynchronous programming models. The Java developer can use it to make multiple requests and gain configuration information and resources for each one of the requests. Good communication skills aid in the development of greater understanding and beliefs among individuals, inspiring them to adhere to the concepts and ideals instilled in them by their leader. Learning Big Data technologies aids developers in analyzing and extracting data from large datasets. Hadoop and Spark are two of the most powerful Big Data technologies.

  • Some of you might be surprised with Java EE or Jakarta EE is one of the most in-demand skills for Java developers.
  • Java is a high-level, object-oriented programming language and computing platform.
  • Continuous integration has significantly improved both the quality and process of software development, and most organizations now have CI and CD.
  • Java has a large and active community of developers, and numerous resources are available for learning and using the language, including books, online courses, and developer tools.
  • IntelliJ Idea is a popular IDE with intelligent contextual capabilities.

The responsibilities of a Java developer differ based on the company requirements. Hence, reading the Java software developer job description with a focused mind is important before applying. Java developers have to address numerous requirements depending on the targeted company’s products and services. Moreover, the expectations from a Java developer differ as per the experience level too. Java is the fifth most used programming language globally, says Statista. As a result, millions of individuals are fascinated with Java and are willing to become Java developers in 2022.