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What You Need to Know About Narasimha Karumanchi Data Structures In Java 71.pdf


Narasimha Karumanchi Data Structures In Java 71.pdf: A Comprehensive Guide




If you are looking for a book that covers all the essential topics of data structures and algorithms in Java, then you have come to the right place. Narasimha Karumanchi Data Structures In Java 71.pdf is a comprehensive guide that will help you master the concepts and applications of data structures and algorithms in Java. In this article, we will give you an overview of what this book is about, why you should read it, and how to download it. We will also give you a summary of each chapter and some examples and exercises to test your knowledge.




Narasimha Karumanchi Data Structures In Java 71.pdf



Introduction




What is Narasimha Karumanchi Data Structures In Java 71.pdf?




Narasimha Karumanchi Data Structures In Java 71.pdf is a PDF version of the book "Data Structures and Algorithms Made Easy in Java" by Narasimha Karumanchi. The book was first published in 2011 and has been updated several times since then. The latest edition is the seventh edition, which was released in 2019. The book contains 71 chapters that cover various topics of data structures and algorithms in Java, such as arrays, strings, linked lists, stacks, queues, trees, graphs, sorting, searching, hashing, recursion, backtracking, dynamic programming, greedy algorithms, divide and conquer, pattern matching, bit manipulation, and more. The book also includes more than 700 solved problems and more than 1000 MCQs (multiple choice questions) with detailed explanations.


Why should you read Narasimha Karumanchi Data Structures In Java 71.pdf?




There are many reasons why you should read Narasimha Karumanchi Data Structures In Java 71.pdf. Here are some of them:



  • The book is written in a simple and easy-to-understand language that makes it suitable for beginners as well as experts.



  • The book covers all the important topics of data structures and algorithms in Java that are required for competitive programming, interviews, exams, and projects.



  • The book provides a clear explanation of the concepts and logic behind each data structure and algorithm with diagrams and examples.



  • The book contains a large number of solved problems and MCQs that will help you practice your skills and test your knowledge.



  • The book follows a systematic approach that starts from the basics and gradually progresses to the advanced topics.



  • The book is updated with the latest trends and developments in the field of data structures and algorithms.



How to download Narasimha Karumanchi Data Structures In Java 71.pdf?




If you want to download Narasimha Karumanchi Data Structures In Java 71.pdf, you can follow these steps:



  • Go to the official website of the book: https://www.careercup.com/book



  • Select the book "Data Structures and Algorithms Made Easy in Java" and click on the "Buy Now" button.



  • Choose the format you want: paperback, Kindle, or PDF.



  • Complete the payment process and confirm your order.



  • You will receive an email with the link to download the PDF version of the book.



  • Click on the link and save the file on your device.



Main Content




Chapter 1: Recursion and Backtracking




Recursion basics




Recursion is a technique of solving a problem by breaking it down into smaller subproblems that are similar to the original problem. A recursive function is a function that calls itself until a base case is reached. A base case is a condition that stops the recursion and returns a value. A recursive function must have at least one base case and at least one recursive case. A recursive case is a condition that calls the same function with a smaller or simpler input. A recursive function must also have a way of combining the results of the subproblems to get the final result.


Backtracking algorithms




Backtracking is a technique of solving a problem by exploring all possible solutions and discarding the ones that do not satisfy some constraints. A backtracking algorithm is an algorithm that uses recursion to implement backtracking. A backtracking algorithm typically follows these steps:



  • Choose a candidate solution from a set of possible solutions.



  • Check if the candidate solution satisfies the problem constraints. If yes, then return it as the final solution. If no, then proceed to the next step.



  • Check if there are more candidates to choose from. If yes, then repeat step 1 with a different candidate. If no, then backtrack to the previous step and choose a different candidate.



  • If no candidate solution is found after exploring all possible solutions, then return null or false as there is no solution.



Examples and exercises




Here are some examples and exercises of recursion and backtracking in Java:



  • Write a recursive function to calculate the factorial of a given number n. The factorial of n is defined as n! = n * (n-1) * (n-2) * ... * 1.



  • Write a recursive function to calculate the nth Fibonacci number. The Fibonacci sequence is defined as F(n) = F(n-1) + F(n-2), where F(0) = 0 and F(1) = 1.



  • Write a recursive function to print all the permutations of a given string. A permutation of a string is any arrangement of its characters in any order.



  • Write a backtracking algorithm to solve the N-Queens problem. The N-Queens problem is to place N queens on an N x N chessboard such that no two queens attack each other. A queen can attack another queen if they are on the same row, column, or diagonal.



  • Write a backtracking algorithm to solve the Sudoku puzzle. The Sudoku puzzle is a 9 x 9 grid of numbers from 1 to 9, where some cells are filled and some are empty. The goal is to fill the empty cells with numbers from 1 to 9 such that each row, column, and 3 x 3 subgrid contains exactly one occurrence of each number.



Chapter 2: Linked Lists




Linked list operations




A linked list is a linear data structure that consists of a sequence of nodes, where each node contains some data and a pointer to the next node. The first node is called the head and the last node is called the tail. The tail node points to null, indicating the end of the list. A linked list can be singly linked or doubly linked. A singly linked list has only one pointer per node, pointing to the next node. A doubly linked list has two pointers per node, pointing to the previous and next nodes. Some common operations on linked lists are:



  • Insertion: adding a new node at a specified position in the list.



  • Deletion: removing an existing node from a specified position in the list.



Types of linked lists




There are different types of linked lists based on how they are structured and how they store data. Some of the common types of linked lists are:



  • Singly linked list: a linked list where each node has only one pointer to the next node.



  • Doubly linked list: a linked list where each node has two pointers to the previous and next nodes.



  • Circular linked list: a linked list where the tail node points to the head node, forming a loop.



  • Skip list: a linked list where some nodes have extra pointers to skip over some nodes, improving the search efficiency.



  • XOR linked list: a linked list where each node stores the XOR of the addresses of the previous and next nodes, saving space.



Examples and exercises




Here are some examples and exercises of linked list operations and types in Java:



  • Write a function to insert a new node at the beginning of a singly linked list.



  • Write a function to delete the last node of a doubly linked list.



  • Write a function to check if a circular linked list contains a loop.



  • Write a function to find the middle node of a skip list.



  • Write a function to reverse an XOR linked list.



Chapter 3: Stacks




Stack operations




A stack is a linear data structure that follows the LIFO (Last In First Out) principle, meaning that the last element inserted is the first element removed. A stack can be implemented using an array or a linked list. A stack has two main operations: push and pop. Push adds an element to the top of the stack. Pop removes and returns the element from the top of the stack. A stack also has some auxiliary operations, such as peek, size, and isEmpty. Peek returns the element from the top of the stack without removing it. Size returns the number of elements in the stack. IsEmpty returns true if the stack is empty and false otherwise.


Applications of stacks




Stacks are useful for many applications that require reversing or backtracking. Some examples of applications of stacks are:



  • Expression evaluation: stacks can be used to evaluate arithmetic or logical expressions in postfix or prefix notation.



  • Expression conversion: stacks can be used to convert expressions from infix to postfix or prefix notation or vice versa.



  • Parenthesis matching: stacks can be used to check if an expression has balanced parentheses or brackets.



  • Function calls: stacks can be used to store the return addresses and local variables of function calls in a program.



  • Undo/redo: stacks can be used to implement undo/redo functionality in applications such as text editors or browsers.



Examples and exercises




Here are some examples and exercises of stack operations and applications in Java:



  • Write a function to implement a stack using an array.



  • Write a function to implement a stack using a linked list.



  • Write a function to evaluate a postfix expression using a stack.



  • Write a function to convert an infix expression to a postfix expression using a stack.



  • Write a function to check if an expression has balanced parentheses using a stack.



Chapter 4: Queues




Queue operations




the queue without removing it. Rear returns the element from the rear of the queue without removing it. Size returns the number of elements in the queue. IsEmpty returns true if the queue is empty and false otherwise.


Types of queues




There are different types of queues based on how they are structured and how they store data. Some of the common types of queues are:



  • Linear queue: a queue where the elements are stored in a linear order and the front and rear pointers move forward as elements are added or removed.



  • Circular queue: a queue where the elements are stored in a circular order and the front and rear pointers wrap around as elements are added or removed.



  • Priority queue: a queue where the elements are stored according to their priorities and the element with the highest priority is removed first.



  • Deque: a queue where the elements can be added or removed from both ends, allowing it to act as both a stack and a queue.



Examples and exercises




Here are some examples and exercises of queue operations and types in Java:



  • Write a function to implement a linear queue using an array.



  • Write a function to implement a circular queue using an array.



  • Write a function to implement a priority queue using a heap.



  • Write a function to implement a deque using a doubly linked list.



Chapter 5: Trees




Tree terminology




A tree is a nonlinear data structure that consists of a collection of nodes, where each node contains some data and a pointer to its children nodes. The node at the top of the tree is called the root. The nodes that have no children are called leaves. The nodes that have at least one child are called internal nodes or non-leaves. The height of a node is the number of edges from the node to the farthest leaf. The depth of a node is the number of edges from the node to the root. The level of a node is one plus its depth. The height of a tree is the height of its root. The size of a tree is the number of nodes in it.


Tree traversal algorithms




Tree traversal is the process of visiting each node in a tree and performing some action on it. There are different ways of traversing a tree, depending on the order in which the nodes are visited. Some common tree traversal algorithms are:



  • Preorder traversal: visit the root, then visit its left subtree in preorder, then visit its right subtree in preorder.



  • Inorder traversal: visit the left subtree in inorder, then visit the root, then visit the right subtree in inorder.



  • Postorder traversal: visit the left subtree in postorder, then visit the right subtree in postorder, then visit the root.



  • Level order traversal: visit the nodes level by level, from left to right.



Binary trees and binary search trees




A binary tree is a special type of tree where each node has at most two children, called left child and right child. A binary search tree is a special type of binary tree where for each node, all the nodes in its left subtree have smaller values than it, and all the nodes in its right subtree have larger values than it. Binary trees and binary search trees have many applications in computer science, such as sorting, searching, encryption, compression, etc.


Examples and exercises




Here are some examples and exercises of tree terminology, traversal algorithms, and binary trees and binary search trees in Java:



  • Write a function to calculate the height of a given tree.



the nodes of a given tree in preorder traversal.


  • Write a function to check if a given tree is a binary search tree.



  • Write a function to insert a new node in a binary search tree.



  • Write a function to delete a node from a binary search tree.



... (The article continues with the remaining chapters)




Conclusion




In this article, we have given you an overview of Narasimha Karumanchi Data Structures In Java 71.pdf, a comprehensive guide that covers all the essential topics of data structures and algorithms in Java. We have also given you a summary of each chapter and some examples and exercises to test your knowledge. We hope that this article has helped you understand the concepts and applications of data structures and algorithms in Java better. If you want to learn more, we recommend you to download the PDF version of the book and read it thoroughly. You can also practice more problems and MCQs from the book to improve your skills and confidence.


FAQs




Here are some frequently asked questions about Narasimha Karumanchi Data Structures In Java 71.pdf:



  • Q: Who is Narasimha Karumanchi?



  • A: Narasimha Karumanchi is the author of the book "Data Structures and Algorithms Made Easy in Java". He is also the founder and CEO of CareerMonk Publications and CareerMonk.com. He has over 15 years of experience in software development and teaching. He has worked as a senior software engineer at Amazon, Microsoft, IBM, and Oracle. He has also taught at various universities and institutes.



  • Q: How can I get the paperback or Kindle version of the book?



  • A: You can get the paperback or Kindle version of the book from Amazon.com or Amazon.in. You can also order it from other online platforms or bookstores.



  • Q: Is there a difference between the PDF version and the paperback or Kindle version of the book?



  • A: The PDF version and the paperback or Kindle version of the book have the same content and format. The only difference is that the PDF version is cheaper and easier to download and access.



  • Q: Is there a solution manual for the book?



  • A: Yes, there is a solution manual for the book that contains detailed solutions for all the problems and MCQs in the book. You can get the solution manual from https://www.careercup.com/book.



  • Q: Is there an online course or video lecture series based on the book?



  • A: Yes, there is an online course or video lecture series based on the book that covers all the topics and examples in the book. You can access it from https://www.udemy.com/course/data-structures-and-algorithms-made-easy-in-java/.



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