Cracking the Coding Interview, 4 Edition - 150 Programming Interview Questions and Solutions

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Interview Questions How This Book is Organized We have grouped interview questions into categories, with a page preceding each category offering advice and other information. Note that many questions may fall into multiple categories. Within each category, the questions are sorted by approximate level of difficulty. Solutions for all questions are at the back. Special Advice for Software Design Engineers in Test (SDETs) Not only must SDETs master testing, but they also have to be great coders. Thus, we recommend the follow preparation process: »» Prepare the Core Testing Problems: For example, how would you test a light bulb? A pen? A cash register? Microsoft Word? The Testing Chapter will give you more background on these problems. »» Practice the Coding Questions: The #1 thing that SDETs get rejected for is coding skills. Make sure that you prepare for all the same coding and algorithm questions that a regular developer would get. »» Practice Testing the Coding Questions: A very popular format for SDET question is “Write code to do X,” followed up by “OK, now test it.” So, even when the question doesn’t specifically ask for this, you should ask yourself, “how would you test this?” Remember: any problem can be an SDET problem! Full, Compilable Solutions For your convenience, you can download the full solutions to the problems at http://www. careercup.com/careercup_book_solutions. This file provides executable code for all the Java solutions. The solutions can be opened and run with Eclipse. Suggestions and Corrections While we do our best to ensure that all the solutions are correct, mistakes will be made. Moreover, sometimes there is no “right” answer. If you'd like to offer a suggestion or correction, please submit it at http://xrl.us/ccbook. 4 3 Cracking the Coding Interview
Interview Questions
Page 1 and 2: CRACKING THE FOURTH EDITION C O D I
Page 3 and 4: Table of Contents Chapter 7 | Objec
Page 5 and 6: Introduction Something’s Wrong We
Page 7 and 8: Behind the Scenes For many candidat
Page 9 and 10: Behind the Scenes | The Amazon Inte
Page 11 and 12: Behind the Scenes | The Apple Inter
Page 13 and 14: Interview War Stories The View from
Page 15 and 16: Interview War Stories | Pop Divas P
Page 17 and 18: Interview War Stories | You Can (Ma
Page 19 and 20: Interview War Stories | Spider Sens
Page 21 and 22: Before the Interview | Resume Advic
Page 23 and 24: Before the Interview | Behavioral P
Page 25 and 26: Before the Interview | Technical Pr
Page 27 and 28: The Interview and Beyond
Page 29 and 30: At the Interview | Handling Behavio
Page 31 and 32: At the Interview | Handling Technic
Page 33 and 34: At the Interview | Five Algorithm A
Page 35 and 36: At the Interview | Five Algorithm A
Page 37 and 38: At the Interview | The Offer and Be
Page 39 and 40: At the Interview | Top Ten Mistakes
Page 41: At the Interview | Frequently Asked
Page 45 and 46: Chapter 1 | Arrays and Strings Hash
Page 47 and 48: Chapter 2 | Linked Lists How to App
Page 49 and 50: Chapter 3 | Stacks and Queues How t
Page 51 and 52: Chapter 4 | Trees and Graphs How to
Page 53 and 54: Part 2 Concepts and Algorithms
Page 55 and 56: Chapter 5 | Bit Manipulation 5.1 Yo
Page 57 and 58: Chapter 6 | Brain Teasers 6.1 Add a
Page 59 and 60: Chapter 7 | Object Oriented Design
Page 61 and 62: Chapter 8 | Recursion 8.1 Write a m
Page 63 and 64: Chapter 9 | Sorting and Searching 9
Page 65 and 66: Chapter 10 | Mathematical 10.1 You
Page 67 and 68: Chapter 11 | Testing 11.1 Find the
Page 69 and 70: Chapter 12 | System Design and Memo
Page 71 and 72: Chapter 13 | C++ How To Approach: A
Page 73 and 74: Chapter 14 | Java How to Approach:
Page 75 and 76: Chapter 15 | Databases How to Appro
Page 77 and 78: Chapter 16 | Low Level How to Appro
Page 79 and 80: Chapter 17 | Networking How to Appr
Page 81 and 82: Chapter 18 | Threads and Locks How
Page 83 and 84: Part 4 Additional Review Problems
Page 85 and 86: Chapter 19 | Moderate _____________
Page 87 and 88: Chapter 20 | Hard Input: DAMP, LIKE
Page 89 and 90: Solutions
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Solutions to Chapter 15 | Databases
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Index A arithmetic 108, 131, 143, 1
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Mock Interviews Mock Interviews Stu
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