Programmer's Guide to Java™ Certification, A: A Comprehensive Primer, Second Edition

Chapter Summary

The following information was included in this chapter:

• discussion of the Object class, which is the most fundamental class in Java

• discussion of the wrapper classes, which not only allow primitive values to be treated as objects, but also contain useful methods for converting values

• discussion of the Math class, which provides an assortment of mathematical functions

• discussion of the String class, showing how immutable strings are created and used

• discussion of the StringBuffer class, showing how dynamic string buffers are created and manipulated