XXI Mutation

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	Preface
I	Basic Design with Objects
2	Objects = Data + Function
3	Classes of Objects: Data Definitions
4	Classes of Objects: Interface Definitions
5	Parameterized Data and Interfaces
6	Solidifying what we’ve done
VII	Schemes of a Larger Design
8	Larger system design: Snakes on a plane
9	Universe
10	Guess my number
XI	Abstraction with Objects
12	Abstraction via Delegation
13	Abstraction via Inheritance
14	Abstraction via Functions
15	Overriding
16	Extensional Equality
17	Visitors and Folds
XVIII	Invariants
19	Invariants, Testing, and Abstraction Barriers
20	Constructors
XXI	Mutation
22	Ch-Ch-Ch-Ch-Changes
23	Circular Data
24	Back-channels
25	Intensional equality
XXVI	Java
27	Java
28	???
29	Extensional Equality in Java
XXX	A Class of Your Own
31	Under the Hood: Implementing OO
XXXII	Solutions
33	Solutions
	Index