A. Java Language Keywords
by Mark Hoeber, Tom Risser, Isaac Rabinovitch, Jacob Royal, Scott Hommel, Sharon Za
The Java™ Tutorial Fourth Edition: A Short Course on the Basics
- Copyright
- The Java™ Series
- Foreword
- Preface
- 1. Getting Started
- The Java Technology Phenomenon
- The “Hello World!” Application
- A Closer Look at the “Hello World!” Application
- Common Problems (and Their Solutions)
- Questions and Exercises: Getting Started
- 2. Object-Oriented Programming Concepts
- 3. Language Basics
- Variables
- Operators
- Expressions, Statements, and Blocks
- Control Flow Statements
- 4. Classes and Objects
- Classes
- Objects
- More on Classes
- Nested Classes
- Enum Types
- Annotations
- 5. Interfaces and Inheritance
- Interfaces
- Inheritance
- The Java Platform Class Hierarchy
- An Example of Inheritance
- What You Can Do in a Subclass
- Private Members in a Superclass
- Casting Objects
- Overriding and Hiding Methods
- Hiding Fields
- Using the Keyword super
- Object as a Superclass
- Writing Final Classes and Methods
- Abstract Methods and Classes
- Summary of Inheritance
- Questions and Exercises: Inheritance
- 6. Generics
- 7. Packages
- 8. Numbers and Strings
- Numbers
- Characters
- Strings
- 9. Exceptions
- 10. Basic I/O
- 11. Collections
- Introduction to Collections
- Interfaces
- Implementations
- Algorithms
- Custom Collection Implementations
- Interoperability
- 12. Concurrency
- 13. Regular Expressions
- Introduction
- Test Harness
- String Literals
- Character Classes
- Predefined Character Classes
- Quantifiers
- Capturing Groups
- Boundary Matchers
- Methods of the Pattern Class
- Methods of the Matcher Class
- Methods of the PatternSyntaxException Class
- Summary
- Additional Resources
- Questions and Exercises: Regular Expressions
- 14. The Platform Environment
- 15. Swing
- A Brief Introduction to the Swing Package
- Swing Features
- Questions: Graphical User Interfaces
- 16. Packaging Programs in JAR Files
- Using JAR Files: The Basics
- Working with Manifest Files: The Basics
- Signing and Verifying JAR Files
- Using JAR-Related APIs
- Questions: JAR Files
- 17. Java Web Start
- 18. Applets
- Getting Started with Applets
- Taking Advantage of the Applet API
- Finding and Loading Data Files
- Displaying Short Status Strings
- Displaying Documents in the Browser
- Sending Messages to Other Applets
- Playing Sounds
- Defining and Using Applet Parameters
- Using the APPLET Tag
- Practical Considerations When Writing Applets
- Finishing an Applet
- Deploying Applets
- Solving Common Applet Problems
- Questions and Exercises: Java Applets
- A. Java Language Keywords
- B. Preparation for Java Programming Language Certification
- The Java Tutorial CD
TABLE A.1 contains a list of keywords in the Java language. You cannot use any of the following as identifiers in your programs. The keywords const and goto are reserved, even though they are not currently used. true, false, and null might seem like keywords, but they are actually literals; you cannot use them as identifiers in your programs.
Table A.1. Java Language Keywords
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[***] added in 1.4 [*] not used [****] added in 5.0 [**] added in 1.2 | ||||
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