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Learning path

Java Developer

Learn Java end to end — the language behind most enterprise backends, Android apps, big-data tools, and high-frequency trading systems.

mixed3 courses33 lessons~8 hoursFree
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Course sequence

  1. 01

    Java Fundamentals

    Not started

    Learn Java: the language behind countless Android apps, enterprise services, and high-frequency trading systems. Strong static types, classes from day one, and a vast standard library. Every lesson is hands-on with real javac execution.

    beginnerjava15 lessons~4h
  2. 02

    Java Intermediate

    Not started

    Level up from Java Fundamentals. Generics, collections, streams, lambdas, optionals, exceptions, threads. The features you reach for every day in real Java code.

    intermediatejava11 lessons~3h
  3. 03

    Java Advanced

    Not started

    Beyond Java Intermediate. Concurrency primitives, executors, parallel streams, reflection + annotations, JVM internals (memory model, GC). The features that make Java production code pay off.

    advancedjava7 lessons~2h

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Java Developer