Sets and ConcurrentModificationException
63909
Adding elements to a collection during iteration
78300
Showing a set is closed other than giving a counterexample?
68247
Concurrent Modification Exception : adding to an ArrayList
48535
Obtaining a powerset of a set in Java
112290
Weird behavior of & function in Set
106414
Classifying whether a collection of objects is a set
93501
Order of precedence of set operators
134177
Using setminus notation with set elements
100601
How can I mix the Concurrency Runtime with .NET code?
148399
Two sets which contain each other as elements
4442
What is the { get; set; } syntax in C#?
133522
How to change a set element?
109442
How to deal with cross-thread access exceptions?
123380
Built in support for sets in PHP?
140329
HashSet vs. List performance
158177
How do I sort a Set to a List in Java?
150692
What's the difference between set and map in C++?