Question: Provide an explanation of hash tables, including a description of a realistic scenario that could be solved with the application of a hash table. Then, compare the purpose and usage of hash tables to JTrees as well as one of the following additional data structures: Arraylist, array, or JList. In your comparison, be sure to include an explanation of one way hash tables are similar to your selected data structure and one way in which they are different.
Can you provide the answer as soon as possible and there is no word limit?