Application Programming Interfere 


  
The Java standard library includes hundreds of classes and methods are grouped into several functional packages. 
Most commonly used packages are: 
Language support package:
A collection of classes and methods required for implementing basic feature of Java. It is available in Lang package in Java. 

 Utilities package: 
A collection of classes to provide utility functions such as date and time functions which is shown as a util package in Java. 

 Input/Output package:
A collection of classes required for input output manipulation which is written as a IO package in Java. 

 Networking package:
A collection of classes for communicating with other computer Viva internet. It is available as a Net package in Java. 

 AWT package: 
The Abstract window tool kit package contains classes that implements platform independent graphical user interface. It is available is awt in Java. 

 Applet package: 
This include a set of a classes that allows us to create a java applets which is available in a applet package in Java. 
The use of these library classes will become evident When we start developing Java programs. Java API 8, Java Package Import


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