The contains() method of Java AbstractSequentialList is used to check whether an element is present in a Collection or not. It takes the element as a parameter and returns True if the element is present in the collection.
public boolean contains(Object element)
Parameters: The parameter element is of type Collection. This parameter refers to the element whose occurrence is needed to be checked in the collection.
Return Value: The method returns a boolean value. It returns True if the element is present in the Collection otherwise it returns False.
Below programs illustrate the AbstractSequentialList.contains() method:
AbstractSequentialList: [Geeks, for, Geeks, 10, 20] Does the Collection contains 'Hello': false Does the collection contains '20': true Does the Collection contains 'Geeks': true
AbstractSequentialList:[10, 20, 30, 40, 50] Does the Collection contains '10': true Does the Collection contains '50': true Does the collection contains '100': false
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