String Tokenizer Class This class is useful to break a string into pieces called Tokens.These tokens are then stored in the...

Hashtable Class Hashtable is similar to HashMap which can store elements in the form of key-value pairs.But Hashtable is synchronized...

Hash Map Class HashMap is a collection that stores elements in the form of key-value pairs.If key is provided,its corresponding value can...

Vector Class A vector also stores elements similar to ArrayList, but Vector is synchronized.It means if several threads act on same...

LinkedList Class A Linked list contains a group of elements in the form of nodes.Each node will have three fields---the data field...