repl.it
linkFull ToC
Introduction
[W10.3a] Design → Design Patterns → Introduction → What
[W10.3b] Design → Design Patterns → Introduction → Format
Singleton pattern
[W10.3c] Design → Design Patterns → Singleton → What
[W10.3d] Design → Design Patterns → Singleton → Implementation
[W10.3e] Design → Design Patterns → Singleton → Evaluation
Facade pattern
Admin:
tP: