Elements of Programming Interviews in Java: The Insiders’ Guide

Take great care to buy the latest version bit.ly/buyingEPI

EPI includes a framework for writing your solutions, as well as testing them against a comprehensive set of test-cases. Head over to judge.elementsofprogramminginterviews.com for details.

Before you buy this book, please first head over to our sample page – elementsofprogramminginterviews.com/sample

The sampler should give you a very good idea of the quality and style of our book. In particular, be sure you are comfortable with the level and with our Java coding style.

Since different candidates have different time constraints, EPI includes a study guide with several scenarios, ranging from weekend Hackathon to semester long preparation with a recommended a subset of problems for each scenario. 
All problems are classified in terms of their difficulty level and include many variants to help you apply what you have learned more widely.

All problems includes hints for readers who get stuck. This simulates what you will face in the real interview.

The version being sold by Amazon itself is always current. Some resellers may have older versions, especially if they sell used copies.


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  1. 9 of 9 people found the following review helpful
    5.0 out of 5 stars
    Don’t look for another books this is “The One” … for coding interviews, September 21, 2017
    Marcos (São Bernardo do Campo, São Paulo Brazil)

    Verified Purchase(What’s this?)
    This review is from: Elements of Programming Interviews in Java: The Insiders’ Guide (Paperback)
    Being a veteran software developer and a rusty graduate (17+ yrs) I started to study using well known books such as Narasimha Karumanchi’s “Algorithms Made Easy in Java” and the latest edition of Cracking the Coding Interview (green cover). I bought both books and in my opinion they have a good set of questions and nice explanations … (CTCI has better explanations but the other has more questions). After some time studying I decided to apply for some job opportunities and I faced a codility online test and failed miserably … Back to the real world I started to think about my learning method and I came to the conclusion that I had two main weaknesses: (1) The questions at codility were much more ellaborated than the ones that I faced in these books. (2) I had huge knowledge gaps and not a strong foundation (I was mistakenly rushing to clear all the possible questions).
    I decided to work harder on these two weaknesses and I remember that I enrolled myself as a reviewer of a recent edition of “Elements of Programming Interviews”, I recognize that I didn’t have the needed expertise to review the book but I was curious to see more of the book since it had an excellent reputation…
    At that time I was impressed by the quality of the material … the problems are at the same level that I found at codility or even harder. I am still reading the book and I was surprised that the authors are very acessible guys and really care about the reader’s experience. The source code solutions available at their website has a high quality and there are even test cases that I simply were not aware of! I would say that if this book source code was a painting it would be something at the level of a monalisa.
    Each chapter starts with a brief explanation and I generally need to use CTCI and/or google to understand some concepts but this is not a problem at all. Once I have the needed foundation I give myself enough time to think about the question and I try as hard as I can to solve the question even using a naive approach but with the right amount of time some sort of “framework” starts to emerge in your mind and things will make more sense. I know that I still have a long road ahead but now the questions are not my major concern, nowadays my main concern is to have my resumé selected and participate in the interview process because this is definitely the only material that you need to make your dreams come true. (Sorry for possible english mistakes)
    Marcos (brazilian reader)
  2. 27 of 27 people found the following review helpful
    5.0 out of 5 stars
    Great resource for taking your theory knowledge and applying it to problem solving, February 14, 2016

    Verified Purchase(What’s this?)
    Background: I bought the previous version of this book (the C++ one titled Elements of Programming Interviews: The Insiders’ Guide) and posted a review that I found it very useful, but the print was too small for me and I was more versed in Java than C++. I was then contacted by the authors and they graciously offered a free advance copy of this book, the Java version with bigger font.

    The book is essentially the same as the previous one, but the larger type makes it a lot easier on my eyes (I’m at that age where I’m finding that I have to get fine print *away* from my eyes to focus properly), and the Java is much more familiar to me, although since the problems are algorithmic by nature you don’t see much difference in the code (which is a good thing – these books are not about specific turns and tricks of C++ or Java, it’s about solving problems with a good algorithm, and then it’s implemented in C++ or Java). So if you prefer C++ and don’t have problems with small type, go with the original one. If you must have the more comfortable type and/or Java, this is the one. (See pictures for size and code comparison)

    As for the content, I found it extremely useful. Mind you, it assumes you have knowledge of the basics and not so basics of data structures, sorting, dynamic programming, recursion, etc. If you do not have this knowledge, this book won’t be of much use. The value of this book is showing a ton of questions where these foundation topics are applied to problem solving. I found that even reading through the problems (without trying to solve) and their solutions gave insight, and certain tricks and problem solving strategies and patterns emerge. This step is the crucial one, as just the raw knowledge won’t get you through that interview. You will need to apply it to the scenario that the interviewer presents you with. This book will help you with that part. I, for one, am very glad that I bought this book.

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