Difference between Mutable objects and Immutable objects
37692
What is meant by immutable?
13992
Immutability of Strings in Java
120830
How to create immutable objects in Java?
133332
What is the difference between JSON and Object Literal Notation?
43716
Difference between string object and string literal
78238
Nullable type is not a nullable type?
85462
Difference between [NSMutableArray array] vs [[NSMutableArray alloc] init]
7571
What are the differences between struct and class in C++?
103099
Python, subclassing immutable types
94610
Avoiding copy of objects with the "return" statement
4434
"Least Astonishment" and the Mutable Default Argument
92240
Why are strings immutable in many programming languages?
142694
What happens if NSMutableArray is modified by multiple threads at the same time? (if the objects it contains are retained elsewhere)
79879
Understanding Object.clone() in Java
149735
Are objects in PHP passed by value or reference?
17716
What's the difference between primitive and reference types?
80807
Is a Java string really immutable?