Basic Syntax

Java Cheat Sheet

Core Java syntax, data types, collections, generics, and streams for writing robust object-oriented JVM applications.

C++ Cheat Sheet

Modern C++ syntax covering pointers, references, STL containers, templates, smart pointers, and RAII memory management.

C Cheat Sheet

Fundamental C syntax including pointers, arrays, structs, memory allocation, and standard library functions for systems programming.

C# Cheat Sheet

Core C# syntax, LINQ queries, generic collections, async/await patterns, and object-oriented features for building .NET applications.

Go Cheat Sheet

Go syntax, goroutines, channels, error handling, and package structure for writing concurrent, statically typed programs.

Rust Cheat Sheet

Rust ownership, borrowing, pattern matching, error handling with Result, and core syntax for memory-safe systems code.

Kotlin Cheat Sheet

Kotlin syntax, null safety, data classes, coroutines, and extension functions for concise, safe JVM development.

Swift Cheat Sheet

Swift syntax, optional handling, structs versus classes, protocols, and closures for building type-safe iOS and macOS applications.

Ruby Cheat Sheet

Ruby syntax, blocks, symbols, mixins, and enumerable methods for expressive, object-oriented scripting and web development.

PHP Cheat Sheet

PHP syntax, associative arrays, superglobals, and object-oriented features for server-side web development and dynamic scripting.

Scala Cheat Sheet

Scala syntax, case classes, pattern matching, immutable collections, and functional programming features that run on the JVM.

R Cheat Sheet

R syntax, vectors, data frames, and core statistical functions for data analysis, wrangling, and visualization.

Perl Cheat Sheet

Perl syntax, regular expressions, arrays, hashes, and text-processing idioms for scripting and command-line pattern-matching tasks.

Dart Cheat Sheet

Dart syntax, sound null safety, async programming, and collection methods used to build Flutter applications.

Lua Cheat Sheet

Lua syntax, tables, metatables, closures, and coroutines for lightweight embedded scripting and game engine development.

Haskell Cheat Sheet

Haskell syntax, pure functions, algebraic data types, and lazy evaluation for statically typed functional programming.

Elixir Cheat Sheet

Elixir syntax, pattern matching, pipe operators, and OTP concurrency primitives for building fault-tolerant BEAM applications.

Clojure Cheat Sheet

Clojure syntax, immutable data structures, persistent collections, and functional idioms for modern concurrent JVM programming.

Make & Makefiles Cheat Sheet

GNU Make syntax for defining build targets, dependencies, variables, and phony tasks used to automate builds and workflows.