In a UML Class diagram, which relationship indicates a strong whole–part lifecycle ownership?

Problem Statement

Explanation

Composition means the part cannot live without the whole. Destroying the whole destroys its parts. Aggregation is a weaker “has-a” relationship where parts can exist independently.

Code Solution

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Order ◼─ contains ─► OrderItem

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This question appears in the following practice sets:

UML Essentials for System Design

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In a UML Class diagram, which relationship indicates a strong whole–part lifecycle ownership?

Problem Statement

Explanation

Code Solution

Practice Sets

Related Questions

Which statement best describes the Single Responsibility Principle?

Open–Closed Principle encourages what practice when adding features?

High-Level Design (HLD) typically focuses on which artifacts?

Which UML diagram best captures interactions over time between components?

Which pairing describes a healthy design goal?

More from System Design

Master Interviews Anywhere, Anytime

In a UML Class diagram, which relationship indicates a strong whole–part lifecycle ownership?

Problem Statement

Explanation

Code Solution

Practice Sets

Related Questions

Which statement best describes the Single Responsibility Principle?

Open–Closed Principle encourages what practice when adding features?

High-Level Design (HLD) typically focuses on which artifacts?

Which UML diagram best captures interactions over time between components?

Which pairing describes a healthy design goal?

More from System Design

Master Interviews
Anywhere, Anytime