Summary

Java API Classes Used In This Chapter

Table 8-2: lists and describes the Java API classes and interfaces introduced or utilized in this chapter.

Class	Package	Description
Array	java.lang.reflect	The Array class contains methods that allow you to set and query array elements.
Arrays	java.util	The Arrays class provides the capability to perform common array manipulations like searching and sorting on arrays of primitive and reference types.
BufferedReader	java.io	The BufferedReader class applies buffering to character input streams.
Class	java.lang	This class represents a reference type instance in memory. There is one Class object for each array type loaded into the Java virtual machine.
Cloneable	java.lang	The Cloneable interface indicates that the class that implements it may be cloned.
Double	java.lang	The Double class is a wrapper class for the double primitive type.
InputStream	java.io	The InputStream class is an abstract class that is the super-class of all input streams.
InputStreamReader	java.io	The InputStreamReader class is a character input stream.
Integer	java.lang	The Integer class is a wrapper class for the int primitive type.
IOException	java.io	The IOException is the superclass of all input/output exceptions. It signals a problem with an IO operation.
NumberFormat	java.text	The NumberFormat class in used to format numeric output.
NumberFormatException	java.lang	The NumberFormatExecption signals an illegal number format.
Object	java.lang	The Object class is the root class for all Java and user-defined reference types. This includes Java array types.
Serializable	java.lang	The Serializable interface indicates that the class that implements it may be serialized.
String	java.lang	The String class represents a string of characters and provides methods to manipulate those characters. String objects are immutable, meaning they cannot be changed once created.
StringBuffer	java.lang	The StringBuffer represents a mutable, or changeable, character string.
System	java.lang	The System class provides a platform independent interface to system facilities including properties and input/output streams.