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Design Principles and Patterns

SOLID principles and design patterns. 18 problems · Advanced level.

18 problems

Behavioral

creational patterns

structural patterns

Decorator: Coffee with Extrasmedium

state

State Pattern: Order Workflowmedium

iterator

Iterator Pattern: Every k-th Elementmedium

chain of responsibility

Chain of Responsibility: Expense Approvalmedium

proxy

Proxy Pattern: Caching Proxymedium

template method

Template Method: Report Generatormedium

memento

Memento: Editor Snapshotsmedium

mediator

Mediator: Chat Roommedium

adapter

Adapter: Temperature Sensorsmedium

flyweight

Flyweight: Shared Glyph Objectsmedium

behavioral patterns

Command Pattern: Undo and Redo Editorhard

composite

Composite Pattern: Folder Sizeshard

visitor

Visitor: Expression Treehard