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Java - Practice Challenges

Expand your coding and algorithm designing skills.

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dot30 days of Money-back guarantee
dotGet help at the every stage of learning
dotRegular updates
Unlimited accessUnlimited access
exercises33 exercises
Support from Codenga TeamSupport from Codenga Team
Works on mobile devicesWorks on mobile devices
Instant feedbackInstant feedback
Certificate of completionCertificate of completion
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Support for this course is provided by:
Tomasz – JAVA Curriculum Manager
Description
How it works
Syllabus
Reviews
FAQ

This course will allow you to practice your Java programming skills. It will help you to increase your efficiency and build confidence in your coding abilities. The course is intended for people who have basic knowledge of Java, and want to expand their abilities and knowledge of the language.

What you will find in the course

The course includes 16 practical tasks that require you to implement various Java algorithms. Each task begins with a description of an algorithm that you must convert into working Java code on your own.

Thanks to this course you can develop your programming skills. You can learn how to solve real, programming problems using code.

Tasks in the course can be solved in multiple ways. The only thing that matters is the result of the algorithm you are supposed to create. It's an excellent opportunity to develop analytical thinking skills and creativity in problem solving.

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How it works

The course uses the TrueCode technology developed by Codenga. It's a completely new type of task that verifies the results of your code. It doesn't matter how you write your solution - the only thing that matters is the correct output of the algorithm.

At the beginning of each task, you will receive a description of the algorithm. Your task will be to implement the correct solution. You will write the code using an online code editor on the Codenga platform.

AI Enhanced Learning

This course comes with an AI Assistant that is ready to provide you the help, every time you need it. If the code you wrote has any kind of bugs, or it simply doesn’t work as expected, the Assistant will guide you towards the correct solution. The AI Assistant enables you to fully utilize your cognitive abilities and optimize your valuable time.

What you need to start the course

The course is intended for people who have mastered the basics of Java. You will need to have a good understanding of concepts such as classes, methods, functions, operators etc.

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Why you should keep working on your Java skills

Java is a versatile and very common language. It provides you with great career opportunities. There are multiple industries that rely on Java: from banking to gaming. From web development to Android apps. Java is here to stay.

There are numerous job opportunities for developers working with Java. The demand is still very high and that won’t change in the foreseeable future. So start learning now and expand your career possibilities.

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Codenga - an experience you will enjoy

Learn interactively
We teach with graphics, repetition and short explanations. All in the comfort of your own browser.
Enjoy the learning
We strive to make every course enjoyable. In the words of a Codenga user: "it doesn't get boring."
Learn fast
"Love the lessons and the interactive methods. Learning will be very fast compared to other study methods."
Complete every course easily
We have come up with some things that should help you to complete every course. Try them and see if they work for you.
Got stuck? There is a support!
Every Codenga course has its curriculum manager that looks after the learning material and is ready to help you if you have any questions.
30 days of Money-back guarantee
You have a generous 30-day return period. No questions asked.

Check the course curriculum

Ch. 1
Introduction. How will this course work?
(3 exercises)
Hello and welcome! Ahead of you lies the world of Java and algorithms. This course will allow you to gain independence while solving various programming problems. Good luck!
Introduction. How will this course work?
Introduction - TrueCode
Ch. 2
Square the numbers
(2 exercises)
Another challenge awaits. Your job here will be to implement a program that will perform the operation of raising every number in the collection to the power of 2.
Square the numbers
Square the numbers - TrueCode
Ch. 3
Get rid of odd numbers
(2 exercises)
Another challenge approaching! Your task will be to implement an application that will remove odd numbers from a collection. Let’s get into it.
Get rid of odd numbers
Get rid of odd numbers - TrueCode
Ch. 4
Turn text strings into numbers
(2 exercises)
Another stage, another challenge. Here, your job will be to implement a function that will turn the text strings into numbers.
Turn text strings into numbers
Turn text strings into numbers - TrueCode

Have any questions?

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How does the course work?
Every Codenga course is full of structured knowledge and practical exercises. You start with the basics and you incrementally learn new skills.
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How much time do i need to complete the course?
Buying this course you get the lifetime access. You can learn the new skills at your own pace. You can also review the material as many times as you want
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Can i still use the course having completed it?
Yes! You get unlimited, lifetime access to the course.
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Do i need any prior experience to start the course?
Codenga course are great for beginner programmers. Start with the Level 1 course if it's your fist contact with programming.
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Do i need any software to use the course?
The only thing you need is a device with an internet access. No other tools or software necessary.
$4.99
dot30 days of Money-back guarantee
dotGet help at the every stage of learning
dotRegular updates
Unlimited accessUnlimited access
exercises33 exercises
Support from Codenga TeamSupport from Codenga Team
Works on mobile devicesWorks on mobile devices
Instant feedbackInstant feedback
Certificate of completionCertificate of completion
guardian photo
Support for this course is provided by:
Tomasz – JAVA Curriculum Manager
$4.99