Java Class Library: Generics, Collections, and I/O โ€” LearnFlat
โ˜… 3.7 (3) โฑ 2h 30m ๐Ÿ“š 25 lessons

Java Class Library: Generics, Collections, and I/O

Learn to use the Java standard library to build type-safe applications, manage complex data collections, and interact with the file system.

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About this course

Once you understand basic Java syntax, the next step is mastering the built-in libraries that make professional software development possible. This course provides a clear path through the essential components of the Java Class Library, ensuring you can handle data and external resources like a professional. You will transform your coding ability by learning how to organize information efficiently and write code that works across different data types without sacrificing safety. The course covers everything from basic data structures to modern functional programming patterns used in the industry today. What you'll learn: - Master Java Generics to write flexible, reusable, and type-safe code - Implement the Collections Framework to manage lists, sets, and maps effectively - Utilize the Stream API for modern, functional-style data processing - Perform robust file operations including reading, writing, and managing file systems - Apply modern Date and Time APIs to handle temporal data accurately - Understand the fundamentals of the Optional class to write cleaner, null-safe code Starting with foundational definitions and the logic behind generics, the material moves into the practical application of data structures and concludes with modern stream and file management techniques. You will read through detailed explanations and analyze code snippets to build a deep understanding of how these libraries function. This course is designed for beginners who have a basic grasp of Java syntax and are ready to expand their functional capabilities. No advanced prerequisites are required. Start building more robust and professional Java applications today.

What you'll get

  • ๐Ÿ“œ Certificate of completion
    Add it to your LinkedIn profile
  • ๐Ÿ’ฌ Personal AI tutor
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  • โ™พ๏ธ Lifetime access
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  • ๐Ÿ“ฑ Phone or computer
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  • ๐Ÿ’ธ 14-day refund
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  • โšก Short & focused
    2h 30m of practical content

Reviews (3)

เธ˜เธตเธฃเธฐเธจเธฑเธเธ”เธดเนŒ เธกเธฑเนˆเธ™เธ„เธ‡ TH Verified learner
โ˜… 4 ยท August 17, 2026

It's a decent introduction. Could benefit from more diverse examples and a slightly better flow between modules.

เน€เธชเธเธชเธฃเธฃเธ„เนŒ เธ—เธงเธตเธ—เธฃเธฑเธžเธขเนŒ TH
โ˜… 4 ยท June 23, 2026

Good introduction. I appreciated the clear steps, although some of the later modules could have used more examples.

ุณุงุฑุฉ DZ Verified learner
โ˜… 3 ยท May 26, 2026

It's a decent introduction. Could use a few more real-world examples to solidify the concepts, though.

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What do I need to take this course? +

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

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By card via Stripe. We donโ€™t store card details โ€” Stripe handles them securely.

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Yes โ€” full refund within 14 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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