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CopyOnWriteArraySet clear() method in Java

Last Updated : 11 Jul, 2025
The clear() method of CopyOnWriteArraySet erases all the elements in the Set. The size of the Set becomes zero after the function is called. Syntax: 
public void clear()
Return Value: The function does not returns anything. Below programs illustrate the above function: Program 1:
Output: 
CopyOnWriteArraySet: [32, 67, 98]

CopyOnWriteArraySet cleared

Updated CopyOnWriteArraySet: []
Program 2:
Output: 
CopyOnWriteArraySet: [gopal, gfg, jgec]

CopyOnWriteArraySet cleared

Updated CopyOnWriteArraySet: []
Reference: https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/CopyOnWriteArraySet.html#clear--
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