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CopyOnWriteArrayList iterator() method in Java

Last Updated : 11 Jul, 2025
The iterator() method of CopyOnWriteArrayList returns an iterator over the elements in this list in proper sequence. The iterator does NOT support the remove method. Syntax:
public Iterator iterator()
Parameters: The function does not accept any parameters. Return Value: The function returns an iterator over the elements in the list. Below programs illustrate the above function: Program 1:
Output:
CopyOnWriteArrayList: [32, 67, 67, 100]
The iterator values of CopyOnWriteArrayList are:
32
67
67
100
Program 2:
Output:
CopyOnWriteArrayList: [gopal, gfg, jgec, sudo]
The iterator values of CopyOnWriteArrayList are:
gopal
gfg
jgec
sudo
Reference: https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/CopyOnWriteArrayList.html#iterator--
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