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Java, not to be confused with JavaScript, is an object-oriented programming language (OOP) developed by Sun Microsystems. It is similar in syntax to languages such as C++, and it was designed to be widely supported and compiled.
Having been around since 1995, the latest stable version is Java SE 19. One of Java’s best features is its portability, meaning that it can run on many types of operating systems, and it achieves this in part through its implementation of Java virtual machines (JVMs).
Java is useful in many areas across software development. From web applications and game development to IoT programming and even artificial intelligence, it remains one of the top choices and in high demand today.
Java is a great choice for your programming project if you like the idea of “Write once, run anywhere” (WORA), one of Java’s most popular slogans. With a massive community for support and virtually limitless development tools at your disposal, it certainly is a safe option that won’t become obsolete anytime soon.
The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance Java project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance Java request on Codementor, check out our article.
We don’t charge anything when you post a freelance hiring request for Java developers! You’ll have the chance to determine what the budget for your project is when you post the request. You’ll only need to pay the developer if you’re 100% satisfied with their work. Please know that Codementor charges a small service fee when a developer completes the job.
For technical skills, dig into their knowledge of Java and the entire ecosystem. Have they used it only for smaller projects, or do they have expertise with it on an enterprise level? Start out on the easier end, testing their knowledge of JVM, bytecode, syntax, and applications. From there, move into more intermediate and advanced territory, such as applets and servlets, memory management, functional programming, and distribution.
But, don’t neglect inquiring about their soft skills! Any freelance developer you hire should be skilled in problem solving, critical thinking, analytical thinking, and able to adapt to changing tasks. Get a sense for how organized they are, as well, both in their coding and in their day-to-day tasks.
We do a comprehensive technical and communications screen of all Java developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing Java developers’ user satisfaction rates.
To get a sense of their Java knowledge, start with some basic interview questions around how much experience they have. How long have they been working with Java? Do they primarily work in Java? Do they have a portfolio with some Java software projects you can check out?
Aside from testing their technical skills, you’ll want to use your interview to understand their remote readiness, as well. A contract Java developer should be a good manager of their own time, able to work autonomously without much supervision, and a great communicator, among other things.
For more answers to frequently asked questions, see here.