This Chapter
-	Chapter 1: Core Libraries
-	Empty String Checking
-	File Class Enhancements
-	Array Reallocation
-	The Collections Framework New Types
-	The NavigableSet Interface
-	The NavigableMap Interface
-	Floating Point Enhancements
-	Password Prompting with java.io.Console
-	Summary

Table of Contents
-	Introduction
-	Chapter 1: Core Libraries
-	Chapter 2: Dynamic Compilation
-	Chapter 3: Scripting
-	Chapter 4: Networking
-	Chapter 5: Swing Updates
-	Chapter 6: Abstract Window Toolkit
-	Chapter 7: Internationalization
-	Chapter 8: Java Database Connectivity 4.0
-	Chapter 9: XML Digital Signature API
-	Chapter 10: Streaming API for XML
-	Chapter 11: Java Architecture for XML Binding
-	Chapter 12: Web Services
-	Chapter 13: JavaBeans Activation Framework
-	Chapter 14: User-Defined MXBeans
-	Chapter 15: Concurrency Updates
-	Appendix A: Enums
-	Appendix B: Generics
-	Appendix C: Annotations

 

Chapter 1

Core Libraries

Let’s start with some easy stuff: the changes and the new features in the java.lang, java.io, and java.util packages. Here are the topics in this chapter.

• The new method in java.lang.String for empty string checking
• The new methods in java.io.File for finding out hard-disk space and changing file attributes
• Array reallocation
• Some new types in the Collections Framework
• Floating point enhancements and the new methods in java.lang.Math
• Password prompting with java.io.Console

 

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