Introduction to Java
Learn Java from the ground up with this beginner-friendly course, mastering essential programming concepts and skills.
Follow short videos led by expert instructors and then practice what you’ve learned with interactive exercises in your browser.
or
By continuing, you accept our Terms of Use, our Privacy Policy and that your data is stored in the USA.Learn Java from the ground up with this beginner-friendly course, mastering essential programming concepts and skills.
Learn to write cleaner, smarter Java code with methods, control flow, and loops.
Learn key object-oriented programming concepts, from basic classes and objects to advanced topics like inheritance and polymorphism.
Learn to work with Plain Old Java Objects, master the Collections Framework, and handle exceptions like a pro, with logging to back it all up!
Advance your Java skills by learning to handle files, process data, and build clean, reusable code using real-world techniques.
Learn key techniques to optimize Java performance, from algorithm efficiency to JVM tuning and multithreading.
Learn how to write effective tests in Java using JUnit and Mockito to build robust, reliable applications with confidence.
Master data cleaning in Java using statistical methods, transformations, and validation for reliable apps.