Java Puzzlers

Preface xiChapter 1: Introduction 1Chapter 2: Expressive Puzzlers 5 Puzzle 1: Oddity 5 Puzzle 2: Time for a Change 7 Puzzle 3: Long Division 9 Puzzle 4: It's Elementary 11 Puzzle 5: The Joy of Hex 13 Puzzle 6: Multicast 15 Puzzle 7: Swap Meat 17 Puzzle 8: Dos Equis 19 Puzzle 9: Tweedledum 21 Puzzle 10: Tweedledee 23 Chapter 3: Puzzlers with Character 25 Puzzle 11: The Last Laugh 25 Puzzle 12: ABC 27 Puzzle 13: Animal Farm 29 Puzzle 14: Escape Rout 31 Puzzle 15: Hello Whirled 33 Puzzle 16: Line Printer 35 Puzzle 17: Huh? 37 Puzzle 18: String Cheese 39 Puzzle 19: Classy Fire 41 Puzzle 20: What's My Class? 43 Puzzle 21: What's My Class, Take 2 45 Puzzle 22: Dupe of URL 47 Puzzle 23: No Pain, No Gain 49 Chapter 4: Loopy Puzzlers 53 Puzzle 24: A Big Delight in Every Byte 53 Puzzle 25: Inclement Increment 55 Puzzle 26: In the Loop 57 Puzzle 27: Shifty i's 59 Puzzle 28: Looper 61 Puzzle 29: Bride of Looper 63 Puzzle 30: Son of Looper 65 Puzzle 31: Ghost of Looper 67 Puzzle 32: Curse of Looper 69 Puzzle 33: Looper Meets the Wolfman 71 Puzzle 34: Down for the Count 73 Puzzle 35: Minute by Minute 75 Chapter 5: Exceptional Puzzlers 77 Puzzle 36: Indecision 77 Puzzle 37: Exceptionally Arcane 79 Puzzle 38: The Unwelcome Guest 81 Puzzle 39: Hello, Goodbye 83 Puzzle 40: The Reluctant Constructor 85 Puzzle 41: Field and Stream 87 Puzzle 42: Thrown for a Loop 89 Puzzle 43: Exceptionally Unsafe 93 Puzzle 44: Cutting Class 97 Puzzle 45: Exhausting Workout 101 Chapter 6: Classy Puzzlers 105 Puzzle 46: The Case of the Confusing Constructor 105 Puzzle 47: Well, Dog My Cats! 107 Puzzle 48: All I Get Is Static 109 Puzzle 49: Larger Than Life 111 Puzzle 50: Not Your Type 113 Puzzle 51: What's the Point? 115 Puzzle 52: Sum Fun 119 Puzzle 53: Do Your Thing 123 Puzzle 54: Null and Void 125 Puzzle 55: Creationism 127 Chapter 7: Library Puzzlers 131 Puzzle 56: Big Problem 131 Puzzle 57: What's in a Name? 133 Puzzle 58: Making a Hash of It 137 Puzzle 59: What's the Difference? 139 Puzzle 60:

Joshua Bloch is a principal engineer at Google and a Jolt Award-winner. He was previously a distinguished engineer at Sun Microsystems and a senior systems designer at Transarc. Josh led the design and implementation of numerous Java platform features, including JDK 5.0 language enhancements and the award-winning Java Collections Framework. He holds a Ph.D. in computer science from Carnegie Mellon University. Neal Gafter is a software engineer and Java evangelist at Google. He was previously a senior staff engineer at Sun Microsystems, where he led the development of the Java compiler and implemented the Java language features in releases 1.4 through 5.0. Neal was a member of the C++ Standards Committee and led the development of C and C++ compilers at Sun Microsystems, Microtec Research, and Texas Instruments. He holds a Ph.D. in computer science from the University of Rochester.