... storing data in such a way that the data can be inserted and retrieved very quickly Hashing uses a data structure called a hash table Although hash tables provide fast insertion, deletion, and retrieval, ... high-level program into machine code data, information in a form a computer can use database,a structured set of data Here’s how the program looks when it runs: 2 26 HASHING AND THE HASHTABLE CLASS If a ... an Add method to add new data, an Item method to retrieve a value, a Remove method to remove a key–value pair, and a Clear method to clear the data structure of all data Let’s begin the discussion...