目录
推荐序
前言
阅读本书之前的准备
1 Introduction to Java and Test-Driving a Java Application
1.1 Introduction
1.2 Object Technology Concepts
1.2.1 The Automobile as an Object
1.2.2 Methods and Classes
1.2.3 Instantiation
1.2.4 Reuse
1.2.5 Messages and Method Calls
1.2.6 Attributes and Instance Variables
1.2.7 Encapsulation and Information Hiding
1.2.8 Inheritance
1.2.9 Interfaces
1.2.10 Object-Oriented Analysis and Design (OOAD)
1.2.11 The UML (Unified Modeling Language)
1.3 Open Source Software
1.4 Java
1.5 A Typical Java Development Environment
1.6 Test-Driving a Java Application
1.7 Software Technologies
1.8 Keeping Up-to-Date with Information Technologies
2 Introduction to Java Applications; Input/Output and Operators
2.1 Introduction
2.2 Your First Program in Java: Printing a Line of Text
2.3 Modifying Your First Java Program
2.4 Displaying Text with printf
2.5 Another Application: Adding Integers
2.6 Arithmetic
2.7 Decision Making: Equality and Relational Operators
2.8 Wrap-Up
3 Introduction to Classes, Objects, Methods and Strings
3.1 Introduction
3.2 Instance Variables, set Methods and get Methods
3.2.1 Account Class with an Instance Variable, a set Method and a get Method
3.2.2 AccountTest Class That Creates and Uses an Object of Class Account
3.2.3 Compiling and Executing an App with Multiple Classes
3.2.4 Account UML Class Diagram with an Instance Variable and set and get Methods
3.2.5 Additional Notes on Class AccountTest
3.2.6 Software Engineering with private Instance Variables and public set and get Methods
3.3 Primitive Types vs. Reference Types
3.4 Account Class: Initializing Objects with Constructors
3.4.1 Declaring an Account Constructor for Custom Object Initialization
3.4.2 Class AccountTest : Initializing Account Objects When They’re Created
3.5 Account Class with a Balance; Floating-Point Numbers
3.5.1 Account Class with a balance Instance Variable of Type double
3.5.2 AccountTest Class to Use Class Account
3.6 Wrap-Up
4 Control Statements: Part 1; Assignment, ++ and -- Operators
4.1 Introduction
4.2 Control Structures
4.3 if Single-Selection Statement
4.4 if … else Double-Selection Statement
4.5 Student Class: Nested if … else Statements
4.6 while Repetition Statement
4.7 Counter-Controlled Repetition
4.8 Sentinel-Controlled Repetition
4.9 Nested Control Statements
4.10 Compound Assignment Operators
4.11 Increment and Decrement Operators
4.12 Primitive Types
4.13 Wrap-Up
5 Control Statements: Part 2; Logical Operators
5.1 Introduction
5.2 Essentials of Counter-Controlled Repetition
5.3 for Repetition Statement
5.4 Examples Using the for Statement
5.5 do … while Repetition Statement
5.6 switch Multiple-Selection Statement
5.7 Class AutoPolicy Case Study: String s in switch Statements
5.8 break and continue Statements
5.9 Logical Operators
5.10 Wrap-Up
6 Methods: A Deeper Look
6.1 Introduction
6.2 Program Modules in Java
6.3 static Methods, static Fields and Class Math
6.4 Declaring Methods with Multiple Parameters
6.5 Notes on Declaring and Using Methods
6.6 Argument Promotion and Casting
6.7 Java API Packages
6.8 Case Study: Secure Random-Number Generation
6.9 Case Study: A Game of Chance; Introducing enum Types
6.10 Scope of Declarations
6.11 Method Overloading
6.12 Wrap-Up
7 Arrays and ArrayLists
7.1 Introduction
7.2 Arrays
7.3 Declaring and Creating Arrays
7.4 Examples Using Arrays
7.4.1 Creating and Initializing an Array
7.4.2 Using an Array Initializer
7.4.3 Calculating the Values to Store in an Array
7.4.4 Summing the Elements of an Array
7.4.5 Using Bar Charts to Display Array Data Graphically
7.4.6 Using the Elements of an Array as Counters
7.4.7 Using Arrays to Analyze Survey Results
7.5 Exception Handling: Processing the Incorrect Response
7.5.1 The try Statement
7.5.2 Executing the catch Block
7.5.3 toString Method of the Exception Parameter
7.6 Case Study: Card Shuffling and Dealing Simulation
7.7 Enhanced for Statement
7.8 Passing Arrays to Methods
7.9 Pass-By-Value vs. Pass-By-Reference
7.10 Case Study: Class GradeBook Using an Array to Store Grades
7.11 Multidimensional Arrays
7.12 Case Study: Class GradeBook Using a Two-Dimensional Array
7.13 Variable-Length Argument Lists
7.14 Using Command-Line Arguments
7.15 Class Arrays
7.16 Introduction to Collections and Class ArrayList
7.17 Wrap-Up
8 Classes and Objects: A Deeper Look
8.1 Introduction
8.2 Time Class Case Study
8.3 Controlling Access to Members
8.4 Referring to the Current Object’s Members with the this Reference
8.5 Time Class Case Study: Overloaded Constructors
8.6 Default and No-Argument Constructors
8.7 Notes on Set and Get Methods
8.8 Composition
8.9 enum Types
8.10 Garbage Collection
8.11 static Class Members
8.12 static Import
8.13 final Instance Variables
8.14 Time Class Case Study: Creating Packages
8.15 Package Access
8.16 Using BigDecimal for Precise Monetary Calculations
8.17 Wrap-Up
9 Object-Oriented Programming: Inheritance
9.1 Introduction
9.2 Superclasses and Subclasses
9.3 protected Members
9.4 Relationship Between Superclasses and Subclasses
9.4.1 Creating and Using a CommissionEmployee Class
9.4.2 Creating and Using a BasePlusCommissionEmployee Class
9.4.3 Creating a CommissionEmployee – BasePlusCommissionEmployee Inheritance Hierarchy
9.4.4 CommissionEmployee – BasePlusCommissionEmployee Inheritance Hierarchy Using protected Instance Variables
9.4.5 CommissionEmployee – BasePlusCommissionEmployee Inheritance Hierarchy Using private Instance Variables
9.5 Constructors in Subclasses
9.6 Class Object
9.7 Wrap-Up
10 Object-Oriented Programming: Polymorphism and Interfaces
10.1 Introduction
10.2 Polymorphism Examples
10.3 Demonstrating Polymorphic Behavior
10.4 Abstract Classes and Methods
10.5 Case Study: Payroll System Using Polymorphism
10.5.1 Abstract Superclass Employee
10.5.2 Concrete Subclass SalariedEmployee
10.5.3 Concrete Subclass HourlyEmployee
10.5.4 Concrete Subclass CommissionEmployee
10.5.5 Indirect Concrete Subclass BasePlusCommissionEmployee
10.5.6 Polymorphic Processing, Operator instanceof and Downcasting
10.6 Allowed Assignments Between Superclass and Subclass Variables
10.7 final Methods and Classes
10.8 A Deeper Explanation of Issues with Calling Methods from Constructors
10.9 Creating and Using Interfaces
10.9.1 Developing a Payable Hierarchy
10.9.2 Interface Payable
10.9.3 Class Invoice
10.9.4 Modifying Class Employee to Implement Interface Payable
10.9.5 Modifying Class SalariedEmployee for Use in the Payable Hierarchy
10.9.6 Using Interface Payable to Process Invoice s and Employees Polymorphically
10.9.7 Some Common Interfaces of the Java API
10.10 Java SE 8 Interface Enhancements
10.10.1 default Interface Methods
10.10.2 static Interface Methods
10.10.3 Functional Interfaces
10.11 Wrap-Up
11 Exception Handling: A Deeper Look
11.1 Introduction
11.2 Example: Divide by Zero without Exception Handling
11.3 Exception Handling: ArithmeticExceptions and InputMismatchExceptions
11.4 When to Use Exception Handling
11.5 Java Exception Hierarchy
11.6 finally Block
11.7 Stack Unwinding and Obtaining Information from an Exception Object 322
11.8 Chained Exceptions
11.9 Declaring New Exception Types
11.10 Preconditions and Postconditions
11.11 Assertions
11.12 try -with-Resources: Automatic Resource Deallocation
11.13 Wrap-Up
12 Swing GUI Components: Part
12.1 Introduction
12.2 Java’s Nimbus Look-and-Feel
12.3 Simple GUI-Based Input/Output with JOptionPane
12.4 Overview of Swing Components
12.5 Displaying Text and Images in a Window
12.6 Text Fields and an Introduction to Event Handling with Nested Classes
12.7 Common GUI Event Types and Listener Interfaces
12.8 How Event Handling Works
12.9 JButton
12.10 Buttons That Maintain State
12.10.1 JCheckBox
12.10.2 JRadioButton
12.11 JComboBox ; Using an Anonymous Inner Class for Event Handling
12.12 JList
12.13 Multiple-Selection Lists
12.14 Mouse Event Handling
12.15 Adapter Classes
12.16 JPanel Subclass for Drawing with the Mouse
12.17 Key Event Handling
12.18 Introduction to Layout Managers
12.18.1 FlowLayout
12.18.2 BorderLayout
12.18.3 GridLayout
12.19 Using Panels to Manage More Complex Layouts
12.20 JTextArea
12.21 Wrap-Up
13 Graphics and Java 2D
13.1 Introduction
13.2 Graphics Contexts and Graphics Objects
13.3 Color Control
13.4 Manipulating Fonts
13.5 Drawing Lines, Rectangles and Ovals
13.6 Drawing Arcs
13.7 Drawing Polygons and Polylines
13.8 Java 2D API
13.9 Wrap-Up
14 Strings, Characters and Regular Expressions
14.1 Introduction
14.2 Fundamentals of Characters and Strings
14.3 Class String
14.3.1 String Constructors
14.3.2 String Methods length , charAt and getChars
14.3.3 Comparing Strings
14.3.4 Locating Characters and Substrings in Strings
14.3.5 Extracting Substrings from Strings
14.3.6 Concatenating Strings
14.3.7 Miscellaneous String Methods
14.3.8 String Method valueOf
14.4 Class StringBuilder
14.4.1 StringBuilder Constructors
14.4.2 StringBuilder Methods length , capacity , setLength and ensureCapacity
14.4.3 StringBuilder Methods charAt , setCharAt , getChars and reverse
14.4.4 StringBuilder append Methods
14.4.5 StringBuilder Insertion and Deletion Methods
14.5 Class Character
14.6 Tokenizing String s
14.7 Regular Expressions, Class Pattern and Class Matcher
14.8 Wrap-Up
15 Files, Streams and Object Serialization
15.1 Introduction
15.2 Files and Streams
15.3 Using NIO Classes and Interfaces to Get File and Directory Information
15.4 Sequential-Access Text Files
15.4.1 Creating a Sequential-Access Text File
15.4.2 Reading Data from a Sequential-Access Text File
15.4.3 Case Study: A Credit-Inquiry Program
15.4.4 Updating Sequential-Access Files
15.5 Object Serialization
15.5.1 Creating a Sequential-Access File Using Object Serialization
15.5.2 Reading and Deserializing Data from a Sequential-Access File
15.6 Opening Files with JFileChooser
15.7 (Optional) Additional java.io Classes
15.7.1 Interfaces and Classes for Byte-Based Input and Output
15.7.2 Interfaces and Classes for Character-Based Input and Output
15.8 Wrap-Up
16 Generic Collections
16.1 Introduction
16.2 Collections Overview
16.3 Type-Wrapper Classes
16.4 Autoboxing and Auto-Unboxing
16.5 Interface Collection and Class Collections
16.6 Lists
16.6.1 ArrayList and Iterator
16.6.2 LinkedList
16.7 Collections Methods
16.7.1 Method sort
16.7.2 Method shuffle
16.7.3 Methods reverse , fill , copy , max and min
16.7.4 Method binarySearch
16.7.5 Methods addAll , frequency and disjoint
16.8 Stack Class of Package java.util
16.9 Class PriorityQueue and Interface Queue
16.10 Sets
16.11 Maps
16.12 Properties Class
16.13 Synchronized Collections
16.14 Unmodifiable Collections
16.15 Abstract Implementations
16.16 Wrap-Up
17 Java SE 8 Lambdas and Streams
17.1 Introduction
17.2 Functional Programming Technologies Overview
17.2.1 Functional Interfaces
17.2.2 Lambda Expressions
17.2.3 Streams
17.3 IntStream Operations
17.3.1 Creating an IntStream and Displaying Its Values with the forEach Terminal Operation
17.3.2 Terminal Operations count , min , max , sum and average
17.3.3 Terminal Operation reduce
17.3.4 Intermediate Operations: Filtering and Sorting IntStream Values
17.3.5 Intermediate Operation: Mapping
17.3.6 Creating Streams of int s with IntStream Methods range and rangeClosed
17.4 Stream Manipulations
17.4.1 Creating a Stream
17.4.2 Sorting a Stream and Collecting the Results
17.4.3 Filtering a Stream and Storing the Results for Later Use
17.4.4 Filtering and Sorting a Stream and Collecting the Results
17.4.5 Sorting Previously Collected Results
17.5 Stream Manipulations
17.5.1 Mapping String s to Uppercase Using a Method Reference
17.5.2 Filtering String s Then Sorting Them in Case-Insensitive Ascending Order
17.5.3 Filtering String s Then Sorting Them in Case-Insensitive Descending Order
17.6 Stream Manipulations
17.6.1 Creating and Displaying a List
17.6.2 Filtering Employee s with Salaries in a Specified Range
17.6.3 Sorting Employee s By Multiple Fields
17.6.4 Mapping Employee s to Unique Last Name String s
17.6.5 Grouping Employee s By Department
17.6.6 Counting the Number of Employee s in Each Department
17.6.7 Summing and Averaging Employee Salaries
17.7 Creating a Stream from a File
17.8 Generating Streams of Random Values
17.9 Lambda Event Handlers
17.10 Additional Notes on Java SE 8 Interfaces
17.11 Java SE 8 and Functional Programming Resources
17.12 Wrap-Up
18 Generic Classes and Methods
18.1 Introduction
18.2 Motivation for Generic Methods
18.3 Generic Methods: Implementation and Compile-Time Translation
18.4 Additional Compile-Time Translation Issues: Methods That Use a Type Parameter as the Return Type
18.5 Overloading Generic Methods
18.6 Generic Classes
18.7 Raw Types
18.8 Wildcards in Methods That Accept Type Parameters
18.9 Wrap-Up
19 Swing GUI Components: Part
19.1 Introduction
19.2 JSlider
19.3 Understanding Windows in Java
19.4 Using Menus with Frames
19.5 JPopupMenu
19.6 Pluggable Look-and-Feel
19.7 JDesktopPane and JInternalFrame
19.8 JTabbedPane
19.9 BoxLayout Layout Manager
19.10 GridBagLayout Layout Manager
19.11 Wrap-Up
20 Concurrency
20.1 Introduction
20.2 Thread States and Life Cycle
20.2.1 New and Runnable States
20.2.2 Waiting State
20.2.3 Timed Waiting State
20.2.4 Blocked State
20.2.5 Terminated State
20.2.6 Operating-System View of the Runnable State
20.2.7 Thread Priorities and Thread Scheduling
20.2.8 Indefinite Postponement and Deadlock
20.3 Creating and Executing Threads with the Executor Framework
20.4 Thread Synchronization
20.4.1 Immutable Data
20.4.2 Monitors
20.4.3 Unsynchronized Mutable Data Sharing
20.4.4 Synchronized Mutable Data Sharing—Making Operations Atomic
20.5 Producer/Consumer Relationship without Synchronization
20.6 Producer/Consumer Relationship: ArrayBlockingQueue
20.7 (Advanced) Producer/Consumer Relationship with synchronized , wait , notify and notifyAll
20.8 (Advanced) Producer/Consumer Relationship: Bounded Buffers
20.9 (Advanced) Producer/Consumer Relationship: The Lock and Condition Interfaces
20.10 Concurrent Collections
20.11 Multithreading with GUI: SwingWorker
20.11.1 Performing Computations in a Worker Thread: Fibonacci Numbers
20.11.2 Processing Intermediate Results: Sieve of Eratosthenes
20.12 sort / parallelSort Timings with the Java SE 8 Date/Time API
20.13 Java SE 8: Sequential vs. Parallel Streams
20.14 (Advanced) Interfaces Callable and Future
20.15 (Advanced) Fork/Join Framework
20.16 Wrap-Up
21 Accessing Databases with JDBC
21.1 Introduction
21.2 Relational Databases
21.3 A books Database
21.4 SQL
21.4.1 Basic SELECT Query
21.4.2 WHERE Clause
21.4.3 ORDER BY Clause
21.4.4 Merging Data from Multiple Tables: INNER JOIN
21.4.5 INSERT Statement
21.4.6 UPDATE Statement
21.4.7 DELETE Statement
21.5 Setting up a Java DB Database
21.5.1 Creating the Chapter’s Databases on Windows
21.5.2 Creating the Chapter’s Databases on Mac OS X
21.5.3 Creating the Chapter’s Databases on Linux
21.6 Manipulating Databases with JDBC
21.6.1 Connecting to and Querying a Database
21.6.2 Querying the books Database
21.7 RowSet Interface
21.8 PreparedStatement s
21.9 Stored Procedures
21.10 Transaction Processing
21.11 Wrap-Up
22 JavaFX GUI
22.1 Introduction
22.2 JavaFX Scene Builder and the NetBeans IDE
22.3 JavaFX App Window Structure
22.4 Welcome App—Displaying Text and an Image
22.4.1 Creating the App’s Project
22.4.2 NetBeans Projects Window—Viewing the Project Contents
22.4.3 Adding an Image to the Project
22.4.4 Opening JavaFX Scene Builder from NetBeans
22.4.5 Changing to a VBox Layout Container
22.4.6 Configuring the VBox Layout Container
22.4.7 Adding and Configuring a Label
22.4.8 Adding and Configuring an ImageView
22.4.9 Running the Welcome App
22.5 Tip Calculator App—Introduction to Event Handling
22.5.1 Test-Driving the Tip Calculator App
22.5.2 Technologies Overview
22.5.3 Building the App’s GUI
22.5.4 TipCalculator Class
22.5.5 TipCalculatorController Class
22.6 Wrap-Up
23 ATM Case Study, Part 1: Object-Oriented Design with the UML
23.1 Case Study Introduction
23.2 Examining the Requirements Document
23.3 Identifying the Classes in a Requirements Document
23.4 Identifying Class Attributes
23.5 Identifying Objects’ States and Activities
23.6 Identifying Class Operations
23.7 Indicating Collaboration Among Objects
23.8 Wrap-Up
24 ATM Case Study Part 2: Implementing an Object-Oriented Design
24.1 Introduction
24.2 Starting to Program the Classes of the ATM System
24.3 Incorporating Inheritance and Polymorphism into the ATM System
24.4 ATM Case Study Implementation
24.4.1 Class ATM
24.4.2 Class Screen
24.4.3 Class Keypad
24.4.4 Class CashDispenser
24.4.5 Class DepositSlot
24.4.6 Class Account
24.4.7 Class BankDatabase
24.4.8 Class Transaction
24.4.9 Class BalanceInquiry
24.4.10 Class Withdrawal
24.4.11 Class Deposit
24.4.12 Class ATMCaseStudy
24.5 Wrap-Up
A Operator Precedence Chart
B ASCII Character Set
C Keywords and Reserved Words
D Primitive Types
E Using the Debugger
E.1 Introduction
E.2 Breakpoints and the run , stop , cont and print Commands
E.3 The print and set Commands
E.4 Controlling Execution Using the step , step up and next Commands
E.5 The watch Command
E.6 The clear Command
E.7 Wrap-Up
F Using the Java API Documentation
F.1 Introduction
F.2 Navigating the Java API
G Creating Documentation with javadoc
G.1 Introduction
G.2 Documentation Comments
G.3 Documenting Java Source Code
G.4 javadoc
G.5 Files Produced by javadoc
H Unicode?
H.1 Introduction
H.2 Unicode Transformation Formats
H.3 Characters and Glyphs
H.4 Advantages/Disadvantages of Unicode
H.5 Using Unicode
H.6 Character Ranges
I Formatted Output
I.1 Introduction
I.2 Streams
I.3 Formatting Output with printf
I.4 Printing Integers
I.5 Printing Floating-Point Numbers
I.6 Printing Strings and Characters
I.7 Printing Dates and Times
I.8 Other Conversion Characters
I.9 Printing with Field Widths and Precisions
I.10 Using Flags in the printf Format String
I.11 Printing with Argument Indices
I.12 Printing Literals and Escape Sequences
I.13 Formatting Output with Class Formatter
I.14 Wrap-Up
J Number Systems
J.1 Introduction
J.2 Abbreviating Binary Numbers as Octal and Hexadecimal Numbers
J.3 Converting Octal and Hexadecimal Numbers to Binary Numbers
J.4 Converting from Binary, Octal or Hexadecimal to Decimal
J.5 Converting from Decimal to Binary, Octal or Hexadecimal
J.6 Negative Binary Numbers: Two’s Complement Notation
K Bit Manipulation
K.1 Introduction
K.2 Bit Manipulation and the Bitwise Operators
K.3 BitSet Class
L Labeled break and continue Statements
L.1 Introduction
L.2 Labeled break Statement
L.3 Labeled continue Statement
M UML 2: Additional Diagram Types
M.1 Introduction
M.2 Additional Diagram Types
N Design Patterns
N.1 Introduction
N.2 Creational, Structural and Behavioral Design Patterns
N.2.1 Creational Design Patterns
N.2.2 Structural Design Patterns
N.2.3 Behavioral Design Patterns
N.2.4 Conclusion
N.3 Design Patterns in Packages java.awt and javax.swing
N.3.1 Creational Design Patterns
N.3.2 Structural Design Patterns
N.3.3 Behavioral Design Patterns
N.3.4 Conclusion
N.4 Concurrency Design Patterns
N.5 Design Patterns Used in Packages java.io and java.net
N.5.1 Creational Design Patterns
N.5.2 Structural Design Patterns
N.5.3 Architectural Patterns
N.5.4 Conclusion
N.6 Design Patterns Used in Package java.util
N.6.1 Creational Design Patterns
N.6.2 Behavioral Design Patterns
N.7 Wrap-Up
Index