JAVA 25 SELF
Ready for the future of Java? This 65-level quest will introduce you to the latest features of Java 25! You will learn the modern syntax of the language, master Record classes and Pattern Matching, and learn to work with Virtual Threads for revolutionary multithreading. Then, you will dive into advanced technologies: Sealed Classes for a secure architecture, Structured Concurrency for managing parallel tasks, modern collections, and the Stream API. You will master working with modules, the latest reflection capabilities, and all the features of Java 25 that are not yet available in other courses. An AI mentor analyzes your every solution and gives you personalized recommendations for improving your code. You will master IntelliJ IDEA with JDK 25 and learn to write code like a true Java developer of the future. The real skills of tomorrow are here today!
- Level 1
Locked Commands and the First Program - Level 2
Locked Introduction to int and String types. Keyboard Input - Level 3
Locked Conditional Operator - Level 4
Locked Loops - Level 5
Locked Installing the IDE and the CodeGym Plugin - Level 6
Locked Real Numbers and char - Level 7
Locked Arrays - Level 8
Locked Methods - Level 9
Locked Working with Strings - Level 10
Locked Constants, enum, and switch - Level 11
Locked Exceptions - Level 12
Locked Bonus Level - Level 13
Locked Dates, Time, and Timezones - Level 14
Locked Classes and Constructors - Level 15
Locked Encapsulation - Level 16
Locked Nested and Inner Classes - Level 17
Locked Inheritance and Hierarchy - Level 18
Locked Polymorphism and Overloading - Level 19
Locked Abstraction and Abstract Classes - Level 20
Locked Interfaces - Level 21
Locked Advanced Interfaces and Functional Interfaces - Level 22
Locked Record Classes - Level 23
Locked OOP — Common Mistakes and Best Practices - Level 24
Locked Advanced Exception Handling - Level 25
Locked Version Control: Working with Git and GitHub - Level 26
Locked Collections and Generics - Level 27
Locked Collection Interfaces - Level 28
Locked Working with Collections - Level 29
Locked Comparators and Object Comparison - Level 30
Locked Stream API Basics - Level 31
Locked Stream API: Grouping and Aggregation - Level 32
Locked Stream API: Combining and Projections - Level 33
Locked Optimizing Work with Collections - Level 34
Locked Modern Collections and Immutability - Level 35
Locked Working with Files: The Basics - Level 36
Locked Reading and Writing Files (Details) - Level 37
Locked Working with Encodings - Level 38
Locked Errors in File Handling - Level 39
Locked Working with the File System - Level 40
Locked File and Directory Operations - Level 41
Locked IO Optimization - Level 42
Locked Serialization - Level 43
Locked Configuring Serialization - Level 44
Locked Serializing Complex Structures - Level 45
Locked Compatibility, Generics, and Binary Serialization Optimization - Level 46
Locked JSON Serialization - Level 47
Locked XML Serialization - Level 48
Locked Lambda Expressions - Level 49
Locked Functional Programming - Level 50
Locked Events and Event Handling - Level 51
Locked Multithreading: Basics - Level 52
Locked Thread Synchronization - Level 53
Locked Multithreading Problems - Level 54
Locked Parallelism and Fork/Join Framework - Level 55
Locked Asynchronous Programming - Level 56
Locked Asynchronous File Operations - Level 57
Locked Virtual Threads (Project Loom, Java 21+) - Level 58
Locked Diving Deeper into Multithreading - Level 59
Locked Parallel File Processing - Level 60
Locked Modules and Project Structure - Level 61
Locked Working with Processes and the Command Line - Level 62
Locked Reflection and Dynamic Capabilities - Level 63
Locked Logging, Monitoring, and Profiling - Level 64
Locked Memory and Garbage Collection - Level 65
Locked Advanced Pattern Matching and New Language Features - Level 66
Locked Final Project