Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
Definition
A mutable object is an object whose state can be modified after it is created. In other words, you can change the values of its attributes or properties.
Related terms
Immutable Object: An immutable object is the opposite of a mutable object. Once an immutable object is created, its state cannot be changed.
Attribute: An attribute refers to a characteristic or property of an object. It represents the data associated with the object.