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    Chapter 1. Core Libraries

    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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