9. Numbers and Strings
This chapter begins with a discussion of the Number class (in the java.lang package) and its subclasses. In particular, the first section talks about the situations where you would use instantiations of these classes rather than the primitive data types. Additionally, this section talks about other classes that format the output of numbers and perform more complex mathematical functions. Finally, there is a discussion on autoboxing and unboxing, a compiler feature that simplifies your code. The second section discusses characters, and the third section discusses strings, which are a sequence of characters and widely used in Java programming. In the Java programming language, ...
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