Set containsAll() method in Java with Examples
The containsAll() method of Java Set is used to check whether two sets contain the same elements or not. It takes one set as a parameter and returns True if all of the elements of this set is present in the other set.
public boolean containsAll(Collection C)
Parameters: The parameter C is a Collection. This parameter refers to the set whose elements occurrence is needed to be checked in this set.
Return Value: The method returns True if this set contains all the elements of other set otherwise it returns False.
Below programs illustrate the Set.containsAll() method:
Set 1: [Geeks, for, 20, 10] Set 2: [Geeks, for, 20, 10] Does set 1 contains set 2?: true
Set 1: [Geeks, for] Set 2: [20, 10] Does set 1 contains set 2: false
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