Learn Java the Hard Way, 2nd Edition

Table of Contents......Page 4
Acknowledgements......Page 7
Preface: Learning by Doing......Page 8
Introduction: Java......Page 9
Exercise 0: The Setup......Page 12
Exercise 1: An Important Message......Page 28
Exercise 2: More Printing......Page 35
Exercise 3: Printing Choices......Page 38
Exercise 4: Escape Sequences and Comments......Page 41
Exercise 5: Saving Information in Variables......Page 44
Exercise 6: Mathematical Operations......Page 47
Exercise 7: Getting Input from a Human......Page 50
Exercise 8: Storing the Human's Responses......Page 53
Exercise 9: Calculations with User Input......Page 59
Exercise 10: Variables Only Hold Values......Page 61
Exercise 11: Variable Modification Shortcuts......Page 64
Exercise 12: Boolean Expressions......Page 68
Exercise 13: Comparing Strings......Page 71
Exercise 14: Compound Boolean Expressions......Page 73
Exercise 15: Making Decisions with If Statements......Page 76
Exercise 16: More If Statements......Page 78
Exercise 17: Otherwise (If Statements with Else)......Page 80
Exercise 18: If Statements with Strings......Page 82
Exercise 19: Mutual Exclusion with Chains of If and Else......Page 84
Exercise 20: More Chains of Ifs and Else......Page 87
Exercise 21: Nested If Statements......Page 91
Exercise 22: Making Decisions with a Big Switch......Page 94
Exercise 23: More String Comparisons......Page 97
Exercise 24: Choosing Numbers Randomly......Page 101
Exercise 25: Repeating Yourself with the While Loop......Page 106
Exercise 26: A Number-Guessing Game......Page 109
Exercise 27: Infinite Loops......Page 112
Exercise 28: Using Loops for Error-Checking......Page 115
Exercise 29: Do-While loops......Page 118
Exercise 30: Adding Values One at a Time......Page 122
Exercise 31: Adding Values for a Dice Game......Page 125
Exercise 32: The Dice Game Called `Pig'......Page 128
Exercise 33: Calling a Function......Page 133
Exercise 34: Calling Functions to Draw a Flag......Page 136
Exercise 35: Displaying Dice with Functions......Page 140
Exercise 36: Returning a Value from a Function......Page 149
Exercise 37: Areas of Shapes......Page 155
Exercise 38: Thirty Days Revisited with Javadoc......Page 159
Exercise 39: Importing Standard Libraries......Page 164
Exercise 40: Programs that Write to Files......Page 168
Exercise 41: Getting Data from a File......Page 173
Exercise 42: Getting ALL the Data from a File......Page 176
Exercise 43: Saving a High Score......Page 179
Exercise 44: Counting with a For Loop......Page 183
Exercise 45: Caesar Cipher (Looping Through a String)......Page 187
Exercise 46: Nested For Loops......Page 191
Exercise 47: Generating and Filtering Values......Page 193
Exercise 48: Arrays - Many Values in a Single Variable......Page 196
Exercise 49: Finding Things in an Array......Page 198
Exercise 50: Saying Something Is NOT in an Array......Page 200
Exercise 51: Arrays Without Foreach Loops......Page 203
Exercise 52: Lowest Temperature......Page 209
Exercise 53: Mailing Addresses (Records)......Page 214
Exercise 54: Records from a File......Page 217
Exercise 55: An Array of Records......Page 221
Exercise 56: Array of Records from a File (Temperatures Revisited)......Page 225
Exercise 57: A Deck of Playing Cards......Page 230
Exercise 58: Final Project - Text Adventure Game......Page 235
Next Steps......Page 244