Software Development Cross Solution - Index of - Free

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finish the story And now the GUI work... We need one more piece of code to get this story together. We need to add a button to the GUI that lets the user actually send the Poke. Here’s the code to take care of that task: // The code below goes in BeatBox.java, // in the buildGUI() method JButton sendIt = new JButton("sendIt"); sendIt.addActionListener(new MySendListener()); buttonBox.add(sendIt); JButton sendPoke = new JButton("Send Poke"); sendPoke.addActionListener(new MyPokeListener()); buttonBox.add(sendPoke); userMessage = new JTextField(); buttonBox.add(userMessage); // Below is new code we need to add, also to BeatBox.java public class MyPokeListener implements ActionListener { } public void actionPerformed(ActionEvent a) { // We'll create an empty state array here boolean[] checkboxState = new boolean[255]; } 182 Chapter 6 try { out.writeObject(POKE_START_SEQUENCE); out.writeObject(checkboxState); } catch (Exception ex) { System.out.println("Failed to poke!"); } Download at WoweBook.Com Finally, add the button to the box holding the other buttons. Task 5 Add button to GUI to send Poke sequence to other BeatBox instances. First we need to create a new button for our Poke feature. Then we set up a listener so we can react when it’s clicked. Here we create an array of booleans for our state. We can leave them all false because the receiving side ignores them when it gets the POKE command. Here’s the magic: to send a poke we send the magic POKE_START_SEQUENCE and our array of booleans to the server. The server will relay our magic sequence to the other clients, and they’ll beep at the user because of the earlier code we wrote (back on page 180). .5
And a quick test... Now that both the client and server are implemented it’s time to make sure things work. No software can go out without testing so... 1 The “-d” tells the java compiler to put the classes in the bin directory. 2 3 Here’s our PokeReceiver instance. First compile and start up the MusicServer. File Edit Window Help Buildin’ hfsd> mkdir bin hfsd> javac -d bin src\headfirst\sd\chapter6\*.java hfsd> java -cp bin headfirst.sd.chapter6.MusicServer Then start the new BeatBox—we’ll need two instances running so we can test the Poke. File Edit Window Help Ouch hfsd> java -cp bin headfirst.sd.chapter6.BeatBox PokeReceiver File Edit Window Help Hah hfsd> java -cp bin headfirst.sd.chapter6.BeatBox PokeSender Now send off a Poke by clicking the “Send Poke” button on the instance we named PokeSender. Excellent!
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Download at WoweBook.Com
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Praise for Head First Object-Orient
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Other related books from O’Reilly
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Head First Software Development by
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the authors Author(s) of Head First
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table of contents x 1 If The Goal g
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table of contents xii 3 project pla
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table of contents xiv 5 good-enough
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table of contents xvi 6 / It buildi
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table of contents xviii 8 Sometimes
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table of contents xx 10 Think the n
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table of contents xxii 12 You’ve
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table of contents xxiv ii appendix
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how to use this book Who is this bo
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how to use this book xxviii intro W
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how to use this book Here’s what
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how to use this book Read Me This i
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the review team The technical revie
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safari books online Safari® Books
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Tom’s Trails Tom’s Trails is go
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the Big Bang approach The Big Bang
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the Big Bang ends with a big mess B
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great software development is... 8
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delivering with iteration Getting t
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an iteration delivers working softw
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an iteration is a complete developm
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uild a plan out of iterations and f
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deciding on a iteration tempo for y
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change happens The customer WILL ch
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handle change with iteration Iterat
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use the right process for you The r
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CHAPTER 1 your software development
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exercise solutions 28 Chapter 1 1 P
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orion’s orbits Orion’s Orbits i
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equirements start with customer ide
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capturing what’s in your customer
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getting more with role playing and
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customer-oriented requirements Our
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keep your customer in the loop Q: W
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user stories capture what your soft
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estimates come with assumptions 44
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assumptions kill confidence in your
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highlighting assumptions and obtain
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assumptions are killed or become ri
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use your customer effectively 52 Ch
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keep estimates small A BIG user sto
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aim for estimates you and your team
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your estimates are your promise Q:
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develop your estimates cyclically T
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sum your estimates to find out your
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when your project is too long 64 Ch
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deliver what you can, when it’s n
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priorities come from your customer
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Title: Description: Est: Title: 15
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factoring in team performance 76 Ch
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uilding achievable milestones Work
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your customer decides priority Titl
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milestone = paid, iteration = on tr
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continuously buildable and runnable
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inging reality to your plan 86 Chap
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velocity applies your real performa
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from ideal to real estimates Progra
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confidence comes at a price When is
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iterations with velocity The maximu
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eality means being honest Title: Es
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eaking realistic but bad news Manag
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introducing the big board The Big B
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happiness is a project that can be
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performance and burn down Work left
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introducing iSwoon Introducing iSwo
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eak up user stories into tasks Task
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tasks have estimates Your task desc
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tasks on your board Add your tasks
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moving tasks to in progress Start w
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multiple tasks at the same time Wha
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keep communication flowing with dai
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doing your first task Task 1: Creat
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inging your design to life with a s
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exercise solution The date is asked
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monitoring your progress Standup me
Page 170 and 171: updating your project board 132 Cha
Page 172 and 173: updating your project board 134 Cha
Page 174 and 175: into the second week Standup meetin
Page 176 and 177: detecting problems with the design
Page 178 and 179: surprises... 140 Chapter 4 We inter
Page 180 and 181: dealing with unplanned tasks If the
Page 182 and 183: velocity doesn’t account for surp
Page 184 and 185: you know where you are We have a lo
Page 186 and 187: meet velocity Head First: Welcome,
Page 188 and 189: inging iSwoon under control iSwoon
Page 190 and 191: detecting bad design ...you needed
Page 192 and 193: design refactoring The Date class c
Page 194 and 195: srp analysis Spotting multiple resp
Page 196 and 197: single responsibility It makes sens
Page 198 and 199: don’t repeat yourself Your design
Page 200 and 201: efactoring iSwoon’s design A date
Page 202 and 203: standup meeting The post-refactorin
Page 204 and 205: unplanned work Unplanned tasks are
Page 206 and 207: good-enough delivers “Good Enough
Page 208 and 209: end of iteration board When everyth
Page 210 and 211: exercises 172 Chapter 5 Take each o
Page 212 and 213: exercise solutions Unplanned tasks
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Page 216 and 217: introducing beatbox pro You’ve go
Page 218 and 219: digging into code Here’s the code
Page 222 and 223: merging changes And Bob does the sa
Page 224 and 225: disaster recovery What went wrong?
Page 226 and 227: version control in action Let’s s
Page 228 and 229: 1 2 creating a repository First set
Page 230 and 231: merging changes Most version contro
Page 232 and 233: identifying conflicts If your softw
Page 234 and 235: esolving conflicts Make these chang
Page 236 and 237: dealing with older code More iterat
Page 238 and 239: dealing with multiple releases We h
Page 240 and 241: viewing logs Good commit messages m
Page 242 and 243: tagging revisions (Emergency) stand
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Page 246 and 247: working with branches Fixing Versio
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Page 250 and 251: avoiding unnecessary branches When
Page 252 and 253: 214 Chapter 6 What version control
Page 254 and 255: CHAPTER 6 Development Techniques Us
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Page 258 and 259: uilding buildable software Develope
Page 260 and 261: introducing ant Ant: a build tool f
Page 262 and 263: more exercises 224 Chapter 6 ½ Are
Page 264 and 265: a full build script The javac task
Page 266 and 267: habits of good build scripts Good b
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version control your build script Y
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CHAPTER 6 1/2 Development Technique
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it never rains but it pours Things
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lack box testing There are three wa
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grey box testing Grey-box testing g
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white box testing was Below is a us
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testing functionality BeatB These s
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you create tests test for establish
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one-click testing Testing EVERYTHIN
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making the most of a framework Auto
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continuous integration For you and
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setting up continuous integration A
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tests only cover what you tell them
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tested code is completed code } 258
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putting code to the test 260 Chapte
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100% coverage All three of these te
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using a coverage report Testing all
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the cost of testing Q: How do cover
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is 100% coverage efficient? 268 Cha
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an environment for testing 270 Chap
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exercise solutions 272 Chapter 7 Te
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test before code Test FIRST, not la
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unit testing Your first test... The
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green means pass Get your tests to
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testing a user story’s functional
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implement a test in code import org
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drive your code with TDD In TDD, te
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task done when tests pass Completin
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first fail Red: write (failing) tes
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keep it simple You can just make up
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simple code is testable code Always
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switching to test code with the str
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where to place your test code Remem
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etter code through testing Testing
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tests = code and lots of it More te
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mock objects We need lots of differ
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using a mock object framework Mock
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why mock objects? Q: These mock obj
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all green, you’re done It’s not
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test, red, code, green A day in the
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esults from an iteration Your itera
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daily standup meetings Standup Meet
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urn-down analysis 322 Chapter 9 Bef
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system testing System testing MUST
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incorporating system testing System
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issues with test iterations More it
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enabling communication 330 Chapter
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This is usually called acceptance t
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filing and fixing a bug The life (a
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ug trackers So you found a bug....
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learn from your iteration But there
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different project hurdles 340 Chapt
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iteration reviews Time for the iter
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other things to do A GENERAL priori
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CHAPTER 9 346 Chapter 9 Tools for y
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crossword solution 13 B 1 S Iterati
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an iteration finishes with more tha
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planning the next iteration You nee
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uilding your board for the next ite
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uilding your board for the next ite
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factoring in real velocity Q: A tea
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the customer still rules And it’s
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it’s still software Someone else
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integration tasks on your board Tit
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integrating third-party code How yo
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euse means trust too //... 368 Chap
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when reuse lets you down Testing yo
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trust no one Standup meeting 372 Ch
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looking for problems in reused sour
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finding problems in reused source c
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your process deals with it You with
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oken code happens � � � � Q
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exercise solutions 2 R 1 R 3 E S P
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At the end of the last chapter, thi
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always communicate First, you’ve
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prioritize what you do 388 Chapter
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ump some things for later 390 Chapt
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apply your process Priority one: ge
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focus on functionality We could fix
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test for bugs Figure out what funct
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think about estimating Even though
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spike tests Spike test to estimate
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estimate what’s left What do the
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factor in confidence Your team’s
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always communicate Give your custom
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apply other techniques Figure out w
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successful deliveries matter Things
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functionality wins most importantly
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CHAPTER 11 414 Chapter 11 Tools for
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crossword solution 10 F 15 H 5 P Bu
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software process defined Pinning do
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evaluate everything The big board 4
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ensure changes improve things The b
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formalize if necessary Formal attir
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other resources Some additional res
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CHAPTER 12 428 Chapter 12 Tools for
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exercise solutions 4 S 11 P 14 A So
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uml and class diagrams #1. UML clas
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sequence diagrams #2. Sequence diag
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user stories and use cases #3. User
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system testing vs. unit testing #4.
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CHAPTER 1 development techniques CH
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development principles Deliver soft
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the index building projects (contin
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the index H Head First Java BeatBox
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the index No Dumb Questions (contin
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the index singularly focused 152 so
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the index third-party code bugs in
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