Write a method in the HashIntSet class called containsAll that accepts another hash set as a parameter and returns true if your set contains every element from the other set. For example, if the set stores [−2, 3, 5, 6, 8] and the method is passed [3, 6, 8], your method would return true. If the method were passed [3, 6, 7, 8], your method would return false because your set does not contain the value 7.
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