Data structure is  a technique which is used to arrange the data using different data pattern ,it is mostly used to manage internal memory management of program,each and every programming language use data structure concept to implement data storage. Type of Data Structure:- 1 Linear Data Structure:-   1) Array  :-       1,.1)  Array implementation to Add,Edit ,Delete Items from beginning,specific position and last       1.2)  Array With Stack      1.3)   Array With Queue   2) LinkedList:-      2.1)  LinkedList implementation to Add,Edit,Delete Items from begining,specific position and last.     2.2)  LinkedList to Stack     2.3)  Linked to Queue         2 Non-Linear Data Structure  2.1) Tree 2.2) Graph ............................................................................