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Interview Preparation for Java Developers

Explore key Java questions and answers to gain the knowledge and confidence to succeed in a Java interview.

Over the shoulder view of businesswoman interviewing two java developers, which a laptop with charts on it

Interview Preparation for Java Developers

  • 3 weeks

  • 2 hours per week

  • Digital certificate when eligible

  • Introductory level

Find out more about how to join this course

  • Duration

    3 weeks
  • Weekly study

    2 hours
  • 100% online

    How it works
  • Unlimited subscription

    $244.99 for a whole yearLearn more

Unpack the interview questions for a Java developer

Preparing for a Java interview is tricky. You need to have a good understanding of the new features and concepts, as well as non-theoretical knowledge as many questions are based on practical work.

This three-week course will help you prepare for Java interviews as you delve into over 200 interview questions covering a varied range of topics. Using hands-on examples, you’ll take a step-by-step approach to ensure you can give confident answers in an interview.

Understand wrapper classes

You’ll be introduced to Java Classloaders and explore wrapper classes to help you answer questions on the use of primitive data as objects.

Next, you’ll explore questions based on practical work such as creating and manipulating Strings and the differences between a StringBuffer and StringBuilder.

Cover the basics of object-oriented programming

You’ll gain a solid foundation of knowledge of object-oriented programming as you explore the basic concepts such as method overloading and polymorphism.

Next, you’ll cover static variables, conditions, loops, and exception handling to build your understanding of Java.

The course will also cover miscellaneous topics to ensure you can answer questions on arrays, variable arguments, enum, and more.

Delve into multithreading

Finally, you’ll explore more advanced topics such as multithreading, collections, and generics.

You’ll finish by looking at functional programming and the new features in Java to ensure your knowledge is up to date.

By the end of the course, you’ll have a comprehensive understanding of Java. You’ll finish feeling confident and prepared for a Java interview.

Skip to 0 minutes and 1 second SPEAKER: Ace your interview for your dream job a job with this interview preparation course. Learn all you need to know in just three weeks. Ranga Karanam, founder of In28minutes, is the expert that will help you get interview smart. Throughout this course, you learn how to explore the Java platform, describe wrapper classes and strings, practise the basics of Object Oriented Programming, OOP, identify modifiers, conditions, and loops, explain exception handling, collections, and concurrent collections, discuss generics and multithreading, describe Lambda expressions and streams, and explore some new features in Java. If this sounds like the interview help for you, then get prepping today from anywhere at any pace. Step into your future with Interview Preparation for Java Developers from Packt and FutureLearn.

Syllabus

  • Week 1

    The Java platform, wrapper classes, strings, and the basics of OOP

    • The word Welcome written in white text on a light pink background with a white stairs icon to the left.

      Introduction to the course

      Welcome to Interview Preparation for Java Developers and the start of your learning journey, brought to you by Packt.

    • The word One written in white text on a light pink background with a white stairs icon to the left.

      Java platform

      In this activity, we will explore the Java platform.

    • The word Two written in white text on a light pink background with a white stairs icon to the left.

      Wrapper classes and Strings

      In this activity, we will describe wrapper classes and Strings.

    • The word Three written in white text on a pink background with a white stairs icon to the left.

      The basics of object-oriented programming (OOP)

      In this activity, we will discuss the basics of object-oriented programming.

    • The words Wrap up written in white text on a dark pink background with a white stairs icon to the left.

      Wrap up

      You have reached the end of Week 1. In this activity, you'll reflect on what you have learned.

  • Week 2

    OOP concepts, modifiers, conditions and loops, and exception handling

    • The word Welcome written in white text on a light Yellow background with a white stairs icon to the left.

      Introduction to Week 2

      Welcome to Week 2. In this activity we'll highlight the main topics that will be covered this week.

    • The word One written in white text on a light Yellow background with a white stairs icon to the left.

      Advanced object-oriented programming concepts

      In this activity, we will discuss object-oriented programming concepts.

    • The word Two written in white text on a light Yellow background with a white stairs icon to the left.

      Modifiers

      In this activity, we will discuss modifiers.

    • The word Three written in white text on a Yellow background with a white stairs icon to the left.

      Conditions and loops

      In this activity, we will describe conditions and loops.

    • The word Four written in white text on a Yellow background with a white stairs icon to the left.

      Exception handling

      In this activity, we will discuss exception handling.

    • The word Five written in white text on a dark Yellow background with a white stairs icon to the left.

      Miscellaneous topics

      In this activity, we will discuss a variety of different topics in Java.

    • The words Wrap up written in white text on a dark Yellow background with a white stairs icon to the left.

      Wrap up

      You have reached the end of Week 2. In this activity, you'll reflect on what you have learned.

  • Week 3

    Collections, generics, multithreading, functional programming, and new features

    • The word Welcome written in white text on a light Purple background with a white stairs icon to the left.

      Introduction to Week 3

      Welcome to Week 3. In this activity we'll highlight the main topics that will be covered this week.

    • The word One written in white text on a light Purple background with a white stairs icon to the left.

      Collections

      In this activity, we will discuss collections.

    • The word Two written in white text on a light Purple background with a white stairs icon to the left.

      Concurrent collections

      In this activity, we will discuss concurrent collections.

    • The word Three written in white text on a Purple background with a white stairs icon to the left.

      Generics

      In this activity, we will discuss generics.

    • The word Four written in white text on a Purple background with a white stairs icon to the left.

      Multithreading

      In this activity, we will describe multithreading.

    • The word Five written in white text on a dark Purple background with a white stairs icon to the left.

      Functional programming – Lambda expressions and streams

      In this activity, we will discuss functional programming, including Lambda expressions and streams.

    • The word Six written in white text on a dark Purple background with a white stairs icon to the left.

      New features

      In this activity, we will describe new features in Java.

    • The words Wrap up written in white text on a dark Purple background with a white stairs icon to the left.

      Final week wrap up

      You have reached the end of this course. In this activity, you will reflect on what you have learned.

When would you like to start?

Start straight away and join a global classroom of learners. If the course hasn’t started yet you’ll see the future date listed below.

  • Available now

Learning on this course

On every step of the course you can meet other learners, share your ideas and join in with active discussions in the comments.

What will you achieve?

By the end of the course, you‘ll be able to...

  • Explore the Java platform.
  • Describe wrapper classes and strings.
  • Practice the basics of object orientated programming (OOP).
  • Identify modifiers, conditions and loops.
  • Explain exception handling, collections and concurrent collections.
  • Describe Lambda expressions and streams.
  • Explore new features in Java.

Who is the course for?

This course is designed for anyone who wants to prepare for a Java interview.

It will be most beneficial for those interested in working as a Java developer.

What software or tools do you need?

We assume that you have some experience as a Java developer, a working knowledge of Java, and access to an IDE for Java.

Who developed the course?

Packt logo

Packt

Founded in 2004 in Birmingham, UK, Packt’s mission is to help the world put software to work in new ways, through the delivery of effective learning and information services to IT professionals.

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FutureLearn

FutureLearn is a leading social learning platform and has been providing high quality online courses for learners around the world over the last ten years.

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Ways to learn

Choose the best way to learn for you!

Subscribe & save

$244.99 for a whole year

Automatically renews

Develop skills to further your career

  • Access to this course
  • Access to 1,000+ courses
  • Learn at your own pace
  • Discuss your learning in comments
  • Digital certificate when you're eligible

Cancel for free anytime

Buy this course

$54/one-off payment

Fulfill your current learning need

  • Access to this course
  • Learn at your own pace
  • Discuss your learning in comments
  • Printed and digital certificate when you’re eligible

Limited access

Free

Sample the course materials

  • Access expires 26 Feb 2025

Find out more about certificates, Unlimited or buying a course (Upgrades)

Sale price available until 3 March 2025 at 23:59 (UTC). T&Cs apply.

Find out more about certificates, Unlimited or buying a course (Upgrades)

Sale price available until 3 March 2025 at 23:59 (UTC). T&Cs apply.

Learning on FutureLearn

Your learning, your rules

  • Courses are split into weeks, activities, and steps to help you keep track of your learning
  • Learn through a mix of bite-sized videos, long- and short-form articles, audio, and practical activities
  • Stay motivated by using the Progress page to keep track of your step completion and assessment scores

Join a global classroom

  • Experience the power of social learning, and get inspired by an international network of learners
  • Share ideas with your peers and course educators on every step of the course
  • Join the conversation by reading, @ing, liking, bookmarking, and replying to comments from others

Map your progress

  • As you work through the course, use notifications and the Progress page to guide your learning
  • Whenever you’re ready, mark each step as complete, you’re in control
  • Complete 90% of course steps and all of the assessments to earn your certificate

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