Set sail on your interstellar journey as a Computer Programmer with a robust foundation in one of the world's most widely used languages - Java. This beginner-friendly path provides a thorough understanding of Java syntax and fundamental programming concepts.
Set sail on your interstellar journey as a Computer Programmer with a robust foundation in one of the world's most widely used languages - Java. This course introduces Java syntax, crafting simple scripts, and addresses mathematical problems for beginners.
Be a part of our community of 1M+ users who develop and demonstrate their skills on CodeSignal
From our community
Hear what our customers have to say about CodeSignal Learn
I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!
Francisco Aguilar Meléndez
Data Scientist
+11
I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.
Faith Yim
Software Engineer
+14
It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.
Alex Bush
Full Stack Engineer
+9
I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.
Abbey Helterbran
Tech consultant
+8
I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.
Jonathan Miller
Senior Machine Learning Engineer
+12
I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!
Francisco Aguilar Meléndez
Data Scientist
+11
26 practices
Explore Java's native data structures like arrays, ArrayLists, and HashMaps. This course strengthens your skills to handle varying data sizes and complexities in coding.
Plunge into the realm of Java's loop structures. Discover the power of 'for', 'while' and 'do-while' loops, along with using conditional statements within loops.
Debug your journey through Java's universe by understanding and fixing coding errors. By the end of this course, you'll be writing robust, fail-safe Java programs.
Enhance your string manipulation and textual data handling skills with this course. You'll explore the intricacies of string operations, text data processing, and formatting and parsing text to information.
Delve into the cosmos of Java functions. This course introduces the syntax to create your own Java functions and how to use built-in functions effectively.
This course progresses from foundational programming concepts to a thorough grasp of Object-Oriented Programming (OOP) in Java. Learn to create, manipulate objects, and leverage inheritance and encapsulation for improved coding efficiency. Ideal for beginners familiar with Java syntax, loops, functions, and basic data structures.
