New posts in Hashset

Is there an AddRange equivalent for a HashSet in C#

Java HashSet with a custom equality criteria?

Find the Biggest number in HashSet/HashMap java

These Sets allow null. Why can't I add null elements?

Why doesn't java.util.HashSet have a get(Object o) method?

Moving data from a HashSet to ArrayList in Java

What happens to the lookup in a Hashmap or Hashset when the objects Hashcode changes

Does adding a duplicate value to a HashSet/HashMap replace the previous value

HashSet Collisions in Java

Way to check if two Collections contain the same elements, independent of order?