The
contains(E e) method of
CopyOnWriteArraySet checks if a given element is present in the Set or not.
Syntax:
public boolean contains(Object o)
Parameters: The function accepts a single mandatory parameter
o which specifies the element whose appearance is to be checked in the Set.
Return Value: The function returns
true if the element is present else it returns false.
Below programs illustrate the above function:
Program 1:
Output:
CopyOnWriteArraySet: [32, 67, 100]
100 is present in the Set
20 is not present in the Set
Program 2:
