The Importance of Data Structure in Various Engineering Field, The Book Provides Various Logical Methods of Explaining Various Complicated Concepts, and in this book we have covers the Array, Stacks, Queues, Linked List, Trees, Heaps and Graphs.Data Structures are necessary for designing efficient algorithms. It provides re usability and abstraction. Using appropriate data structures can help programmers save a good amount of time while performing operations such as storage, retrieval, or processing of data.