Top Java Challenges: Cracking the Coding Interview

Book excerpt: This book covers the most frequent challenge codes included in the final stage of your job interview. The interviewer is looking to evaluate your Problem-solving skills, how you react when faced with unknown problem e.g design an algorithm to solve a problem you haven't seen before. This book is an additional reference so that you can be as prepared as possible.Data structures organize data that algorithms work upon. We follow the following steps to develop a usable algorithm:- Model the problem, identifying the elements of the problem, ending in an abstract data type.- Find an algorithm to solve it, defining the data structures, data types and a sequence of steps algorithms need to do.- Is the algorithm enough fast and fit in memory? Here we must refactor the algorithm possibly changing the data structures and the sequence of steps.- Iterating until we are satisfied.By the end of reading this book, you'll be able to:- understand the basics of common data structures and algorithms and apply them to real questions.- understand the importance of modules, readable variables, hashing, recursion, queues, stacks, and much more.- face with unknown problems better than other candidates.