A java package is a group of similar types of classes, interfaces and sub-packages.Package in java can be categorized in two form, built-in package and user-defined package.There are many built-in packages such as java, lang, awt, javax, swing, net, io, util, sql etcAdvantage1) Java package is used to categorize the classes and interfaces so that they can be easily maintained.2) Java package provides access protection.3) Java package removes naming collision
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