The Java Tutorial Fourth Edition: A Short Course on the Basics

Chapter 8. Numbers and Strings NumbersCharactersStrings ...

Numbers This chapter begins with a discussion of the Number[1] class in the java.lang package, its subclasses, and the situations where you would use instantiations of these classes rather than the primitive number types.[1] docs/api/java/lang/Num...

Characters Most of the time, if you are using a single character value, you will use the primitive char type, for example: char ch = 'a'; char uniChar = '\u039A'; // Unicode for uppercase Greek // omega character char[...

Strings Strings, which are widely used in Java programming, are a sequence of characters. In the Java programming language, strings are objects. The Java platform provides the String[11] class to create and manipulate strings.[11] docs/api/java/l...