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What should junior Java developer know?

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What should junior Java developer know?

Java concepts an entry-level junior should know: Basic OOP principles — abstraction, encapsulation, inheritance, polymorphism, and others. SOLID principles and the way they apply to Java. Knowing how to manage interfaces, classes, and objects, understand the difference between these elements.

Where can I practice Java programs?

So, here is a list of 10 Best and popular coding websites for programmers to practice Java coding.

  • TopCoder. TopCoder is the first website on our list of 10 Best websites for practicing coding.
  • Coderbyte.
  • HackerRank.
  • CodeChef.
  • Project Euler.
  • Codewars.
  • CodinGame.
  • CodeEval.

What should a junior developer know?

7 Things Every Junior Developer Should Know

  • Should you focus on being a Generalist, Specialist, or Hybrid developer?
  • Build your career advisory board.
  • Putting the ‘fun’ in programming fundamentals.
  • Learn how to ask for help.
  • Keep an eye on tech trends.
  • Find the right tools for the job.
  • Make time for personal projects.
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How can I help a junior developer?

15 Tips on How to Improve as a Junior Developer

  1. Official docs over Stack Overflow.
  2. Zoom out.
  3. Do your own quality assurance (QA)
  4. Don’t ignore the world around your work.
  5. Separate your concerns.
  6. Write short methods.
  7. Seek constructive criticism.
  8. Find a mentor.

Where can I find Java developers?

Here are the top 15 places to find a Java developer:

  • Toptal. Toptal is a professional talent matching service, initially created with tech talent in mind.
  • Hired.
  • GitHub Jobs.
  • Stack Overflow.
  • Upwork.
  • Gigster.
  • People Per Hour.
  • Dice.

What are the best sites to learn Java?

  1. Codecademy. Codecademy is probably one of the best places to learn Java online.
  2. Udemy. Udemy offers Java tutorials from complete beginner to expert level.
  3. Coursera.
  4. Java Code Geeks.
  5. Learn Java.
  6. Oracle Java Tutorials.
  7. edX.
  8. SoloLearn.

Which is best course for Java?

Best Java Courses

  1. Object-Oriented Programming in Java Specialization by Coursera.
  2. The Complete Java Masterclass by Udemy.
  3. Java Programming: Solving Problems with Software by Coursera.
  4. Java Fundamentals by Pluralsight.
  5. Java Programming for Complete Beginners by Udemy.
  6. Java In-Depth by Udemy.
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What do you need to hire a junior Java developer?

Hiring a developer for a network or distributed application If you want to hire a junior Java developer for a network or distributed application, the candidate should have knowledge of protocols such as IP, HTTP, FTP, etc., and sockets such as RMI and RPC. Hiring a developer for Java-based web applications

What are the coding challenges in a junior developer interview?

Coding Challenges are a very common stage in Junior developer interviews. Some will involve coming up with the appropriate algorithm to solve a problem, others will focus more on object-oriented concepts and designing a system. Either way, there are a few really simple things you can do to leapfrog 90\% of applicants.

Is it normal for a junior developer to make mistakes?

As a Junior developer working in a team, you’re expected to occasionally make mistakes, and to receive constructive criticism on your work. In general, it’s fine to make mistakes and take the wrong approach now and again, as long as you respond positively and are open to the feedback.

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What is problem solving skills in Java?

Java Problem Solving Questions This skill corresponds to the developer’s ability to evaluate and resolve a problem by writing an efficient algorithm in Java. Any developers should be able to solve simple problems but advanced analytical skills and logical reasoning are essential when your are hiring Java R&D developers.