Question

name packages of java??

Answer 1

io package
swing package 
awt package
java.lang(default)
enum
etc

Answer 2

Packages in Java:

• The java can be classified into two types they are build-in packages and user-defined packages.

• The built-in packages are ( java, lang, util, awt, javax, swing, net, io, sql et), and user-defined package.

• Packages are the set of predefined classes used by the programmers in their program.

• Java input output package is used for reading and writing to the Input-output sources.

• io: It includes classes for input and output operations.

• lang: Java lang package which is imported automatically in every java program.

• Util: java util is used for Some predefined classes like Dictionary, Vectors and many more

• Net: java net is used to implement a socket connection and classes related to the networking.

• applet: Java applet is used for creating applets.

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