Write a method in the HashIntSet class called toString that returns a string representation of the elements in the set, such as "[−2, 3, 5, 6, 8]". The order of the elements in the string does not matter as long as they are all present in the proper format. Do not list any empty or meaningless indexes in the string.
We need at least 10 more requests to produce the solution.
0 / 10 have requested this problem solution
The more requests, the faster the answer.