Composition Quote by Michael Jesse Chonoles
““With composition, parts can’t be shared with other objects. The life of the part is completely within the life span of the whole.””
About This Quote
Source Book: Object-Oriented Design Principles, 2015
Composition tightly couples a part’s existence to its container, preventing reuse elsewhere.
In simple terms: Parts live only as long as the whole.
Key Takeaway
Prefer composition when exclusive ownership is needed.
Themes
software design
encapsulation
ownership
Mood
analytical
practical
Type
technical
educational
When to use this quote
- designing APIs
- building modular systems
- refactoring legacy code
Key Concepts
Object-oriented programming
dependency management
Questions to Reflect On
- Can you design a system where parts are reusable?
- When is exclusive ownership beneficial?
A Different Perspective
If a part must be shared, composition limits flexibility.
