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The examples below illustrate some of this tool's visualization capabilities but are not meant as standalone programming lessons. For effective learning, people often use this tool as a supplement to textbooks, lecture notes, and online programming tutorials.

Python Examples

Basic: hello | happy | intro | filter | tokenize | insertion sort | for-else | user input

Math: factorial | fibonacci | memoized fibonacci | square root | gcd | towers of hanoi

Objects: OOP 1 | OOP 2 | OOP 3 | inheritance

Linked Lists: LL 1 | LL 2 | LL sum

Pointer Aliasing:
aliasing1 | aliasing2 | aliasing3 | aliasing4 | aliasing5 | aliasing6 | aliasing7 | aliasing8 | sumList

Higher-Order Functions:
closure1 | closure2 | closure3 | closure4 | closure5 | list map | summation | lambda param

Advanced:
list comp | list/set/dict comp | decorator | generator | genexpr | varargs | exception | metaclass

Python 3 only: student torture | nonlocal

Java Examples

Basic: Variables | ControlFlow | Sqrt | ExecLimit | Strings

Methods: PassByValue | Recursion | StackOverflow

OOP: Rolex | Person | Complex | Casting

Data structures: LinkedList | StackQueue | Postfix | SymbolTable

Java features: ToString | Reflect | Exception | ExceptionFlow | TwoClasses

Misc: Forest | Knapsack | StaticInitializer | Synthetic

(All Java examples created by David Pritchard)

JavaScript Examples

factorial | data types | exception | closure | shadowing | constructor | inheritance

TypeScript Examples

hello | classes | inheritance | generics

Ruby Examples

Containers | Globals | Constants | Blocks | Block scoping | More block scoping

Proc & Lambda | Proc scoping | Proc return | Lambda scoping | Inheritance | Symbols

Protected & private | Class & instance vars | Toplevel defs | Megagreeter

C Examples

Thesis | Globals | Structs | Nested structs | Array overflow | Array param

String reverse | Pointer levels | Pointer chain | Pointers wild | Typedef

C++ Examples

Basic | Pass by ref | Class | Class pointer | Date class | Inheritance | Virtual method