C#

C#

Pick a topic to practice.

Printing

Console.WriteLine, interpolation, and output

Variables

Types, var, const, and conversions

User Input

Console.ReadLine and parsing input

If Statements

Conditional logic, switch, boolean logic

Loops

for, while, do-while, and foreach

Methods

Parameters, returns, overloading, recursion

Arrays

Arrays and List<T> collections

Strings

String methods and manipulation

Classes

Classes, objects, constructors, ToString

Encapsulation

Access modifiers and properties

Inheritance

Base classes, base(), protected members

Polymorphism

virtual, override, and abstract classes

Interfaces

Define and implement interfaces

Exceptions

try/catch/finally and custom exceptions

Code Walkthrough

Guess the output — practice code tracing

Multiple Choice Quiz

Test your knowledge with multiple choice questions