What topics in Java have you studied during your training?

The following topics are usually studied during Java training:

• Syntax basics: variables, data types, operators
• Control structures: conditions (if, switch), loops (for, while)
• Classes and objects: creating classes, constructors, methods
• Inheritance and polymorphism
• Interfaces and abstract classes
• Exception handling (try-catch)
• Collections (List, Set, Map)
• Working with input-output streams
• Basics of multithreading
• Working with files
• Basics of working with Java API and standard libraries

This is a basic set of topics that helps understand object-oriented programming and write simple applications in Java.