The
contains(E e) method of
CopyOnWriteArrayList checks if a given element is present in the list or not. If the element atleast occurs one time, then the function returns true, else it returns false.
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 list.
Return Value: The function returns
true if the element is present atleast one time in the list, else it returns false.
Below programs illustrate the above function:
Program 1:
Output:
CopyOnWriteArrayList: [32, 67, 98, 100]
100 is present in the list
20 is not present in the list
Program 2:
