Learn how to harness the power of Python context managers to make your programs more efficient and secure.

Learn how to create more dynamic and efficient programs with specialized Python collections and set operations.

Learn how to use enumerations, optionals, closures, and access control to build robust and powerful Swift programs.

Dive into intermediate TypeScript concepts including class types, type narrowing, and generics.

Master TypeScript types in object-oriented patterns. Learn how to utilize keywords to control when class properties and methods are used.

Learn how to set up TypeScript for use in VSCode on your local computer — including global and project-specific installations.

Unlock the power of TypeScript generics. Learn how to use generics with classes, type parameter defaults and constraints, and the `keyof` type parameter.

Learn advanced techniques to narrow complex types in TypeScript. Discover TypeScript’s power inference through type guards and type narrowing.

Learn to code in Java — a robust programming language used to create software, web and mobile apps, and more.

This course demystifies the foundations of Java procedural programming, helping absolute beginners learn Java from scratch.

This course demystifies the foundations of Java procedural programming, helping absolute beginners learn Java from scratch.

Take a deeper look into Java classes and methods and learn the basics of encapsulation.