Packages In Java ?

package:-

        It is a collection of related classes, interfaces and sub packages.

Available packages in corejava:-

import java.lang.*;  (It is a default package)

        " * " means that all the classes and interfaces.

java.io.*; (I/O classes are defined)

java.applet.*; (Applet class is defined)

java.awt.*; (UI components are defined)

java.awt.event.*; (Event handling classes are defined)

java.net.*; (networking classes defined)

java.sql.*; (classes to access database)

java.util.*; (classes to store collection of objects)

java.text.*; (classes for formatting the text)

javax.swing.*; (advanced package of AWT)

java.rmi.*; (classes to develop distributed appln)