Software Development Cross Solution - Index of - Free

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a full build script The javac task compiles java code in the srcdir and puts classes in the destdir. Here’s the default target. 226 Chapter 6 ½ Ant Build Magnet Solutions Your task was to reassemble a working build file for building the BeatBox application. Each target can have a description that is printed if you ask Ant to display project information. Be sure to close these elements with “/>”, which is like a closing tag.
Q: My project isn’t in Java—do I still need a build tool? A: Probably, and depending on what environment you’re working in, you might already be using one. If you’re developing in Microsoft Visual Studio, you’re almost certainly already using their build system, called MSBuild (open your csproj file in Notepad...seriously). It uses an XML description of the build process similar to the way Ant does. Visual Studio started that file for you, but there’s a whole lot more MSBuild can do for you that the IDE doesn’t expose. If you’re not in Visual Studio but are doing .NET development, you might want to check out NAnt. It’s basically a port of Ant for the .NET world. Ruby uses a tool called rake to kick off tests, package up the application, clean up after itself, etc. But there are some technologies, like Perl or PHP, where build scripts aren’t quite as valuable, because those languages don’t compile or package code. However, you can still use a build tool to package, test, and deploy your applications, even if you don’t need everything a build tool brings to the table. Q: I’m using an IDE that builds everything for me. Isn’t that enough? A: It might be enough for you, but what about everyone else on your team? Does everyone on your team have to use that IDE? This can be a problem on larger projects where there’s an entirely separate group responsible for building and packaging your project for other teams like testers or QA. Then there are tasks that your IDE doesn’t do... (If you can’t think of anything like that, we’ll talk about some great ones in the next few chapters). In general, if your project is more than a one-person show (or you want to use any of the best practices we’re going to talk about in the next few chapters) you need to think about a build tool. Q: Where did you come up with those bin, dist, and src directory names? A: Those directories are an unofficial standard for Java projects. A few others you’re likely to see are docs for generated documenation, generated for things like web-service-generated clients and stubs, and lib for library dependencies you might need. There’s nothing about these directory names that’s set in stone, and you can adjust your build file to deal with whatever you use on your project. However, if you stick with common conventions, it makes it easier for new team members to get their heads around your project. Q: Why are you even talking about Ant? Don’t you know about Maven? A: Maven is a Java-oriented “software project management and comprehension tool.” Basically, it goes beyond the smallerscale Ant tasks we’ve been talking about and adds support for automatically fetching library dependencies, publishing libraries you build to well-known places, test automation, etc. It’s a great tool, but it masks a lot of what’s going on behind the scenes. To get the most out of Maven you need to structure your project in a particular way. For most small- to medium-sized projects, Ant can do everything you’ll need. That’s not to discourage you from checking out Maven, but it’s important to understand the underlying concepts that Maven does such a great job of hiding. You can find out more about Maven at http://maven.apache.org/. Download at WoweBook.Com building your code Q: What should my default target be? Should it compile my code, package it, generate documentation, all of the above? A: That really depends on your project. If someone new was to check out your code, what are they most likely looking to do with it? Would they want to be able to check out your project and expect to be able to run it in one step? If so, you probably want your default target to do everything. But if “everything” means signing things with encryption keys and generating an installer with InstallShield and so on, you probably don’t want that by default. A lot of projects actually set up the default target to output the project help information so that new people can see what their options are and pick appropriately. Q: The build.xml file has directory names repeated all over the place. Is that a good idea? A: Great catch! For a build script the size of the one we’re using here, it’s OK. But if you’re writing a more complex build file, it’s generally a good idea to use properties to let you define the directories once, and refer to them by aliases throughout the rest of the file. In Ant, you’d use the property tag for this, like on page 223. Q: Couldn’t I just do all of this with a batch file or shell script? A: Technically, yes. But a build system comes with lots of software-developmentoriented tasks that you’d either have to write yourself or lean on external tools to handle. Build tools also integrate into continuous integration systems, which we’ll talk about in the next chapter. you are here 4 227
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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
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updating your project board 132 Cha
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updating your project board 134 Cha
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into the second week Standup meetin
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detecting problems with the design
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surprises... 140 Chapter 4 We inter
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dealing with unplanned tasks If the
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velocity doesn’t account for surp
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you know where you are We have a lo
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meet velocity Head First: Welcome,
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inging iSwoon under control iSwoon
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detecting bad design ...you needed
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design refactoring The Date class c
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srp analysis Spotting multiple resp
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single responsibility It makes sens
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don’t repeat yourself Your design
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efactoring iSwoon’s design A date
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standup meeting The post-refactorin
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unplanned work Unplanned tasks are
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good-enough delivers “Good Enough
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end of iteration board When everyth
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exercises 172 Chapter 5 Take each o
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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 220 and 221: finish the story And now the GUI wo
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
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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 252 and 253: 214 Chapter 6 What version control
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Page 258 and 259: uilding buildable software Develope
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Page 274 and 275: it never rains but it pours Things
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Page 298 and 299: putting code to the test 260 Chapte
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Page 302 and 303: using a coverage report Testing all
Page 304 and 305: the cost of testing Q: How do cover
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Page 308 and 309: an environment for testing 270 Chap
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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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