The advantage of self-balancing bst is, we get the worst case (when every key maps to the same slot) search time is O(Log n). Java has two hash table classes: HashTable and HashMap. In general, you ...

Hashmap provides put method to insert some value on given key but this a hashCode() function internally works on that key to calculate a hash that is used to find a matched bucket with that hash value ...

It keeps track of the hashCode of the key. And then it actually holds a reference to another node, which we'll get to in just a moment. Now, when you actually start adding objects into your HashMap, ...

Java collection classes allow a developer to keep track of contained items in one of two ways, either by an indexed count or a key. This creates an obvious limitation where multiple values can’t be ...