Java Program to Implement CopyOnWriteArraySet API

CopyOnWriteArraySet is a member of the Java Collections Framework. It is a Set that uses an internal CopyOnWriteArrayList for all of its operations. It was introduced in JDK 1.5, we can say that it is a thread-safe version of Set. To use this class, we need to import it from java.util.concurrent package.

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Implementation:

Example

Output:

Element 12 added to Set
Element 13 added to Set
Element 14 added to Set
Element 15 added to Set
The size of copyOnWriteArraySet is 4
The copyOnWriteArraySet contains 14
Element 13 removed
The element of copyOnWriteArraySet are
12 14 15 
The elements after removing
12 
copyOnWriteArraySet Elements are completely removed
copyOnWriteArraySet is empty