Common Java Packages

Java.lang:language the core package of Java, after the Object System String throwable jdk1.2 version, the classes in the package are automatically imported.

java.awt: Defines the objects that are used for the development of the Java graphical interface.

Javax.swing: Provides all of the Windows desktop applications including controls, such as Frame,dialog,table,list, and so on, is the Java GUI library.

Java.net: Objects used in Java network programming are in the package.

The Java.io:input output object that is used to manipulate data on the device is in the package. For example: Read hard disk data, write data to hard disk.

Java.util:java Toolkit, Time object, collection frame.

Java.applet:application+let Client Java applet. Server + Let, servlet service-side Java applet.

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Common Java Packages