Foundations of Java: Inheritance and Data Structures โ€” WalkSelf

Foundations of Java: Inheritance and Data Structures

Go beyond the basics to organize code with object-oriented principles and manage data effectively using the Java Collections Framework.

โ˜… 4.6 (106) โฑ 1h 50m ๐Ÿ“š 11 lessons ๐ŸŽง Audio version

About this course

Ready to move past basic Java syntax? To build truly powerful applications, you need to structure your code logically and handle data efficiently. This course provides the foundational knowledge to do just that. This text-based guide walks you through the core principles of object-oriented programming (OOP) and data management in Java. You'll learn to create flexible class hierarchies with inheritance and use the right data structures from the Java Collections Framework to store, access, and manipulate information in your programs. What you'll learn: - Understand core OOP concepts like inheritance, polymorphism, and abstract classes. - Implement type-safe collections using Java Generics to prevent common runtime errors. - Master the use of essential data structures, including Lists, Sets, and Maps. - Process collections efficiently using the modern Java Streams API for filtering and transformation. - Practice reading from and writing to files for persistent data storage. - Learn to handle program errors gracefully with Java's exception handling model. - Apply fundamental debugging principles to find and fix issues in your code. The course starts with the fundamentals of object-oriented design before progressing to practical applications of collections, file handling, and error management, all explained through clear text and code examples. This course is designed for beginners who have a basic grasp of Java syntax and want to learn how to write more structured and robust code. No prior experience with advanced OOP or data structures is required. Start learning to build more sophisticated Java applications today.

What you'll get

  • ๐Ÿ“œ Certificate of completion
    Add it to your LinkedIn profile
  • ๐ŸŽง Audio version included
    Learn on the go โ€” no screen needed
  • โ™พ๏ธ Lifetime access
    Come back anytime, no expiry
  • ๐Ÿ“ฑ Phone or computer
    Works anywhere, any device
  • ๐Ÿ’ธ 14-day refund
    No questions asked
  • โšก Short & focused
    1h 50m of practical content

Reviews (4)

Grace Hall NZ
โ˜… 3 ยท 2026-02-09T13:29:04+00:00

Hmm, I'm not sure this is for absolute beginners. It assumes a bit of prior knowledge that wasn't explicitly taught. Some examples were confusing.

Agnes Monica ID Verified learner
โ˜… 4 ยท 2025-03-15T13:54:04+00:00

It's a good course if you have some prior knowledge. For absolute beginners, some concepts might be a bit challenging. The structure is logical, though.

Sofรญa Garcรญa ES
โ˜… 4 ยท 2025-01-26T05:37:04+00:00

Good foundational material. I appreciated the structured approach, although I wish there had been a few more real-world case studies.

Aung Than MM Verified learner
โ˜… 4 ยท 2025-01-19T01:37:04+00:00

Pretty good overall. The structure was logical, and many of the examples were helpful. A few areas could have used a bit more depth, but it's solid.

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Just a phone or computer with internet. No installs, no special hardware.

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