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Bates, K: Head First Java 2e Your Brain on Java. A Learner's Guide. Covers Java 5.0

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Beschreibung

Produktdetails

Zustand

Sehr gut

Einband

Taschenbuch

Erscheinungsdatum

09.02.2005

Abbildungen

w. num. Illustrationen

Herausgeber

Mike Loukides

Verlag

O'Reilly Media

Seitenzahl

720

Maße (L/B/H)

23,6/20,2/4,4 cm

Gewicht

1176 g

Auflage

2nd ed.

Sprache

Englisch

EAN

2710005839762

Beschreibung

Produktdetails

Zustand

Sehr gut

Einband

Taschenbuch

Erscheinungsdatum

09.02.2005

Abbildungen

w. num. Illustrationen

Herausgeber

Mike Loukides

Verlag

O'Reilly Media

Seitenzahl

720

Maße (L/B/H)

23,6/20,2/4,4 cm

Gewicht

1176 g

Auflage

2nd ed.

Sprache

Englisch

EAN

2710005839762

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  • Produktbild: Bates, K: Head First Java 2e
  • ; What they're saying about Head First; Praise for Head First Java; Praise for other Head First books co-authored by Kathy and Bert; Creators of the Head First series; How to Use This Book: Intro; Who is this book for?; We know what you're thinking; And we know what your brain is thinking; Metacognition: thinking about thinking; Here's what WE did; Here's what YOU can do to bend your brain into submission; What you need for this book; Last-minute things you need to know; Technical Editors; Other people to : credit; Just when you thought there wouldn't be any more acknowledgementsThe large number of acknowledgements is because we're testing the theory that everyone mentioned in a book acknowledgement will buy at least one copy, probably more, what with relatives and everything. If you'd like to be in the acknowledgement of our next book, and you have a large family, write to us.; Chapter 1: Dive in A Quick Dip: Breaking the Surface; 1.1 The Way Java Works; 1.2 What you'll do in Java; 1.3 A very brief history of Java; 1.4 Code structure in Java; 1.5 Anatomy of a class; 1.6 Writing a class with a main; 1.7 Looping and looping and...; 1.8 Conditional branching; 1.9 Coding a Serious Business Application; 1.10 Phrase-O-Matic; Chapter 2: Classes and Objects: A Trip to Objectville; 2.1 Chair Wars: (or How Objects Can Change Your Life); 2.2 Making your first object; 2.3 Making and testing Movie objects; 2.4 Quick! Get out of main!; 2.5 Running the Guessing Game; Chapter 3: Primitives and References: Know Your Variables; 3.1 Declaring a variable; 3.2 "I'd like a double mocha, no, make it an int."; 3.3 You really don't want to spill that...; 3.4 Back away from that keyword!; 3.5 This table reserved; 3.6 Controlling your Dog object; 3.7 An object reference is just another variable value; 3.8 An array is like a tray of cups; 3.9 Arrays are objects too; 3.10 Make an array of Dogs; 3.11 Control your Dog (with a reference variable); 3.12 A Dog example; Chapter 4: Methods Use Instance Variables: How Objects Behave; 4.1 Remember: a class describes what an object knows and what an object does; 4.2 The size affects the bark; 4.3 You can send things to a method; 4.4 You can get things back from a method; 4.5 You can send more than one thing to a method; 4.6 Java is pass-by-value. That means pass-by-copy; 4.7 Cool things you can do with parameters and return types; 4.8 Encapsulation; 4.9 Encapsulating the GoodDog class; 4.10 How do objects in an array behave?; 4.11 Declaring and initializing instance variables; 4.12 The difference between instance and local variables; 4.13 Comparing variables (primitives or references); Chapter 5: Writing a Program: Extra-Strength Methods; 5.1 Let's build a Battleship-style game: "Sink a Dot Com"; 5.2 First, a high-level design; 5.3 The "Simple Dot Com Game" a gentler introduction; 5.4 Developing a Class; 5.5 The checkYourself() method; 5.6 The game's main() method; 5.7 More about for loops; 5.8 Trips through a loop; 5.9 The enhanced for loop; 5.10 Casting primitives; Chapter 6: Get to Know the Java API: Using the Java Library; 6.1 In our last chapter, we left you with the cliff-hanger. A bug; 6.2 So what happened?; 6.3 How do we fix it ?; 6.4 Option one is too clunky; 6.5 Option two is a little better, but still pretty clunky; 6.6 Wake up and smell the library; 6.7 Some things you can do with ArrayList; 6.8 Comparing ArrayList to a regular array; 6.9 Comparing ArrayList to a regular array; 6.10 Let's fix the DotCom code; 6.11 New and improved DotCom class; 6.12 Let's build the REAL game: "Sink a Dot Com"; 6.13 What needs to change?; 6.14 Who does what in the DotComBust game (and when); 6.15 Prep code for the real DotComBust class; 6.16 The final version of the DotCom class; 6.17 Super Powerful Boolean Expressions; 6.18 Using the Library (the Java API); 6.19 How to play with the API; Chapter 7: Inheritance and Polymorphism: Better Living in Objectville; 7.1 Chair Wars Revisited...; 7.2 Let's design the inheritance tree for an Animal simulation program; 7.3 Using inheritance to avoid duplicating code in subclasses; 7.4 Do all animals eat the same way?; 7.5 Looking for more inheritance opportunities; 7.6 Designing an Inheritance Tree; 7.7 When designing with inheritance, are you using or abusing?; 7.8 Keeping the contract: rules for overriding; 7.9 Overloading a method; Chapter 8: Interfaces and Abstract Classes: Serious Polymorphism; 8.1 Did we forget about something when we designed this?; 8.2 Interface to the rescue!; 8.3 Making and Implementing the Pet interface; Chapter 9: Constructors and Garbage Collection: Life and Death of an Object; 9.1 The Stack and the Heap: where things live; 9.2 Methods are stacked; 9.3 What about local variables that are objects?; 9.4 If local variables live on the stack, where do instance variables live?; 9.5 The miracle of object creation; 9.6 Construct a Duck; 9.7 Initializing the state of a new Duck; 9.8 Using the constructor to initialize important Duck stateNot to imply that not all Duck state is not unimportant.; 9.9 Make it easy to make a Duck; 9.10 Doesn't the compiler always make a no-arg constructor for you? No!; 9.11 Nanoreview: four things to remember about constructors; 9.12 Wait a minute... we never DID talk about superclasses and inheritance and how that all fits in with constructors; 9.13 The role of superclass constructors in an object's life; 9.14 Making a Hippo means making the Animal and Object parts too...; 9.15 How do you invoke a superclass constructor?; 9.16 Can the child exist before the parents?; 9.17 Superclass constructors with arguments; 9.18 Invoking one overloaded constructor from another; 9.19 Now we know how an object is born, but how long does an object live?; 9.20 What about reference variables?; Chapter 10: Numbers and Statics: Numbers Matter; 10.1 MATH methods: as close as you'll ever get to a global method; 10.2 The difference between regular (non-static) and static methods; 10.3 What it means to have a class with static methods; 10.4 Static methods can't use non-static (instance) variables!; 10.5 Static methods can't use non-static methods, either!; 10.6 Static variable: value is the same for ALL instances of the class; 10.7 Initializing a static variable; 10.8 static final variables are constants; 10.9 final isn't just for static variables...; 10.10 Math methods; 10.11 Wrapping a primitive; 10.12 Before Java 5.0, YOU had to do the work...; 10.13 Autoboxing: blurring the line between primitive and object; 10.14 Autoboxing works almost everywhere; 10.15 But wait! There's more! Wrappers have static utility methods too!; 10.16 And now in reverse... turning a primitive number into a String; 10.17 Number formatting; 10.18 Formatting deconstructed...; 10.19 The percent (%) says, "insert argument here" (and format it using these instructions); 10.20 The format String uses its own little language syntax; 10.21 The format specifier; 10.22 The only required specifier is for TYPE; 10.23 What happens if I have more than one argument?; 10.24 So much for numbers, what about dates?; 10.25 Working with Dates; 10.26 Moving backward and forward in time; 10.27 Getting an object that extends Calendar; 10.28 Working with Calendar objects; 10.29 Highlights of the Calendar API; 10.30 Even more Statics!... static imports; Chapter 11: Exception Handling: Risky Behavior; 11.1 Let's make a Music Machine; 11.2 We'll start with the basics; 11.3 First we need a Sequencer; 11.4 The compiler needs to know that YOU know you're calling a risky method; 11.5 An exception is an object... of type Exception; 11.6 If it's your code that catches the exception, then whose code throws it?; 11.7 Flow control in try/catch blocks; 11.8 Finally: for the things you want to do no matter what; 11.9 Did we mention that a method can throw more than one exception?; 11.10 Exceptions are polymorphic; 11.11 Multiple catch blocks must be ordered from smallest to biggest; 11.12 You can't put bigger baskets above smaller baskets; 11.13 When you don't want to handle an exception...; 11.14 Ducking (by declaring) only delays the inevitable; 11.15 Getting back to our music code...; 11.16 Making actual sound; 11.17 Your very first sound player app; 11.18 Making a MidiEvent (song data); 11.19 MIDI message: the heart of a MidiEvent; 11.20 Change a message; Chapter 12: Getting GUI: A Very Graphic Story; 12.1 It all starts with a window; 12.2 Your first GUI: a button on a frame; 12.3 But nothing happens when I click it...; 12.4 Getting a user event; 12.5 Listeners, Sources, and Events; 12.6 Getting back to graphics...; 12.7 Make your own drawing widget; 12.8 Fun things to do in paintComponent(); 12.9 Behind every good Graphics reference is a Graphics2D object; 12.10 Because life's too short to paint the circle a solid color when there's a gradient blend waiting for you; 12.11 We can get an event. We can paint graphics. But can we paint graphics when we get an event?; 12.12 GUI layouts: putting more than one widget on a frame; 12.13 Let's try it with TWO buttons; 12.14 So now we need FOUR widgets; 12.15 And we need to get TWO events; 12.16 Inner class to the rescue!; 12.17 An inner class instance must be tied to an outer class instanceThere's an exception to this, for a very special case-an inner class defined within a static method. But we're not going there, and you might go your entire Java life without ever encountering one of these.; 12.18 How to make an instance of an inner class; 12.19 Using an inner class for animation; 12.20 Listening for a non-GUI event; 12.21 An easier way to make messages / events; Chapter 13: Using Swing: Work on Your Swing; 13.1 Swing components; 13.2 Layout Managers; 13.3 How does the layout manager decide?; 13.4 The Big Three layout managers: border, flow, and box; 13.5 Playing with Swing components; 13.6 Making the BeatBox; Chapter 14: Serialization and File I/O: Saving Objects; 14.1 Capture the Beat; 14.2 Saving State; 14.3 Writing a serialized object to a file; 14.4 Data moves in streams from one place to another; 14.5 What really happens to an object when it's serialized?; 14.6 But what exactly IS an object's state? What needs to be saved?; 14.7 If you want your class to be serializable, implement Serializable; 14.8 Deserialization: restoring an object; 14.9 What happens during deserialization?; 14.10 Saving and restoring the game characters; 14.11 Writing a String to a Text File; 14.12 Text File Example: e-Flashcards; 14.13 Quiz Card Builder (code outline); 14.14 The java.io.File class; 14.15 Reading from a Text File; 14.16 Quiz Card Player (code outline); 14.17 Parsing with String split(); 14.18 Version ID: A Big Serialization Gotcha; 14.19 Using the serialVersionUID; 14.20 Saving a BeatBox pattern; 14.21 Restoring a BeatBox pattern; Chapter 15: Networking and Threads: Make a Connection; 15.1 Real-time Beat Box Chat; 15.2 Connecting, Sending, and Receiving; 15.3 Make a network Socket connection; 15.4 A TCP port is just a number. A 16-bit number that identifies a specific program on the server; 15.5 To read data from a Socket, use a BufferedReader; 15.6 To write data to a Socket, use a PrintWriter; 15.7 The DailyAdviceClient; 15.8 DailyAdviceClient code; 15.9 Writing a simple server; 15.10 DailyAdviceServer code; 15.11 Writing a Chat Client; 15.12 Java has multiple threads but only one Thread class; 15.13 What does it mean to have more than one call stack?; 15.14 Every Thread needs a job to do. A method to put on the new thread stack; 15.15 To make a job for your thread, implement the Runnable interface; 15.16 The Thread Scheduler; 15.17 Putting a thread to sleep; 15.18 Using sleep to make our program more predictable; 15.19 Making and starting two threads; 15.20 What will happen?; 15.21 Um, yes. There IS a dark side; 15.22 The Ryan and Monica problem, in code; 15.23 We need the makeWithdrawal ( ) method to run as one atomic thing; 15.24 Using an object's lock; 15.25 The dreaded "Lost Update" problem; 15.26 Let's run this code...; 15.27 Make the increment() method atomic. Synchronize it!; 15.28 The deadly side of synchronization; 15.29 New and improved SimpleChatClient; 15.30 The really really simple Chat Server; Chapter 16: Collections and Generics: Data structures; 16.1 Tracking song popularity on your jukebox; 16.2 Here's what you have so far, without the sort:; 16.3 But the ArrayList class does NOT have a sort() method!; 16.4 ArrayList is not the only collection; 16.5 You could use a TreeSet... Or you could use the Collections.sort() method; 16.6 Adding Collections.sort() to the Jukebox code; 16.7 But now you need Song objects, not just simple Strings; 16.8 Changing the Jukebox code to use Songs instead of Strings; 16.9 It won't compile!; 16.10 Generics means more type-safety; 16.11 Learning generics; 16.12 Using generic CLASSES; 16.13 Using type parameters with ArrayList; 16.14 Using generic METHODS; 16.15 Here's where it gets weird...; 16.16 Revisiting the sort( ) method; 16.17 In generics, "extends" means "extends or implements"; 16.18 Finally we know what's wrong...; 16.19 The new, improved, comparable Song class; 16.20 We can sort the list, but...; 16.21 Using a custom Comparator; 16.22 Updating the Jukebox to use a Comparator; 16.23 Uh-oh. The sorting all works, but now we have duplicates...; 16.24 We need a Set instead of a List; 16.25 The Collection API (part of it); 16.26 Using a HashSet instead of ArrayList; 16.27 What makes two objects equal?; 16.28 How a HashSet checks for duplicates: hashCode() and equals(); 16.29 The Song class with overridden hashCode() and equals(); 16.30 And if we want the set to stay sorted, we've got TreeSet; 16.31 What you MUST know about TreeSet...; 16.32 TreeSet elements MUST be comparable; 16.33 We've seen Lists and Sets, now we'll use a Map; 16.34 Finally, back to generics; 16.35 Using polymorphic arguments and generics; 16.36 But will it work with ArrayList ?; 16.37 What could happen if it were allowed...; 16.38 Wildcards to the rescue; 16.39 Alternate syntax for doing the same thing; Chapter 17: Package, Jars and Deployment: Release Your Code; 17.1 Deploying your application; 17.2 Imagine this scenario...; 17.3 Separate source code and class files; 17.4 Put your Java in a JAR; 17.5 Running (executing) the JAR; 17.6 Put your classes in packages!; 17.7 Preventing package name conflicts; 17.8 Compiling and running with packages; 17.9 The -d flag is even cooler than we said; 17.10 Making an executable JAR with packages; 17.11 So where did the manifest file go?; 17.12 Java Web Start; 17.13 The .jnlp file; Chapter 18: Remote Deployment with RMI: Distributed Computing; 18.1 Method calls are always between two objects on the same heap; 18.2 What if you want to invoke a method on an object running on another machine?; 18.3 Object A, running on Little, wants to call a method on Object B, running on Big; 18.4 But you can't do that; 18.5 The role of the 'helpers'; 18.6 Java RMI gives you the client and service helper objects!; 18.7 How does the client get the stub object?; 18.8 How does the client get the stub class?; 18.9 Be sure each machine has the class files it needs; 18.10 Yeah, but who really uses RMI?; Final Code Kitchen; Final BeatBox client program; Final BeatBox server program; The Top Ten Topics that almost made it into the Real Book...; #10 Bit Manipulation; #9 Immutability; #8 Assertions; #7 Block Scope; #6 Linked Invocations; #5 Anonymous and Static Nested Classes; #4 Access Levels and Access Modifiers (Who Sees What); #3 String and StringBuffer/StringBuilder Methods; #2 Multidimensional Arrays; And the number one topic that didn't quite make it in...; #1 Enumerations (also called Enumerated Types or Enums); This isn't goodbye;