Java Programming Language

Master the thread-safe and intuitive java.time API introduced in Java 8. Learn how to handle dates, times, and time zones correctly.

Stop chasing NullPointerExceptions. Learn how to use Java 8's Optional class to build safer, more resilient applications.

Learn how to process data declaratively with the Java 8 Streams API. Master filter, map, and collect to write cleaner loops.

Deep dive into Java 8's interface enhancements. Learn about Default Methods, Functional Interfaces, and the foundational built-in functions like Predicate, Consumer, Supplier, and Function.

Master Lambda Expressions in Java 8. Learn how to write concise, functional code and eliminate anonymous inner class boilerplate.

Revisit the revolutionary changes introduced in Java 8, the release that brought functional programming to Java with Lambdas, Streams, and the Optional API.

Explore the smaller but impactful features of Java 11, including Predicate.not(), simpler Collection to Array conversion, and single-file execution.

Understand how to use the 'var' keyword in lambda expressions in Java 11 and why it's useful for annotations.

Discover the new utility methods in String and Files classes introduced in Java 11. Write cleaner code for common text and I/O tasks.

Master the modern HTTP Client in Java 11. Learn how to perform synchronous and asynchronous requests with support for HTTP/2.

Explore the landmark features introduced in Java 11 LTS, including the new HTTP Client, Local-Variable Syntax for Lambda Parameters, and key String and File API enhancements.

Explore Java 17's new random number generator interfaces and algorithms for better performance and flexibility.

Eliminate boilerplate with Records in Java 17 - the perfect solution for immutable data carrier classes.

Write cleaner multi-line strings in Java 17 with Text Blocks, perfect for JSON, SQL, HTML, and more.

Simplify type checking and casting in Java 17 with Pattern Matching for instanceof, eliminating boilerplate code.

Master Sealed Classes in Java 17 to control inheritance hierarchies and build more maintainable, secure domain models.

Explore the powerful features introduced in Java 17 LTS, including Sealed Classes, Pattern Matching, Text Blocks, Records, and enhanced random number generators.

Java 25 extends pattern matching to primitive types like int and long, unifying the type system.

Say goodbye to import clutter with Module Import Declarations in Java 25.

Flexible Constructor Bodies in Java 25 allow statements before super(), giving you more control over object initialization.

Java 25 introduces Compact Source Files to reduce boilerplate and make the language more beginner-friendly.

A comprehensive overview of the new features in Java 25, including Compact Source Files, Flexible Constructors, and Primitive Patterns.

Discover how Unnamed Patterns (_) in Java 21 help you write cleaner code by ignoring unused variables.

Explore Structured Concurrency in Java 21 for more robust, readable, and maintainable concurrent code.

Simplify your Java learning layout with Unnamed Classes and Instance Main Methods in Java 21.

Pattern Matching for switch in Java 21 revolutionizes control flow with type testing and complex case logic.

Learn how Record Patterns in Java 21 allow for powerful and concise data navigation and processing.

Sequenced Collections introduced in Java 21

Virtual Threads NOTE: This is a preview feature NOT enabled by-default in JDK-21.

String Templates introduced in Java 21

All new features introduced in Java 21