A Java package is a group of similar types of classes, interfaces, and sub-packages. Package in java can be categorized in two forms, built-in package, and user-defined package. There are many built-in packages such as java, lang, awt, java, swing, net, io, util, SQL, etc.
The main use of packages is
1) To resolve naming conflicts
2) For visibility control: We can define classes and interfaces that are not accessible outside the
class.
Advantages of Java Package
Java package categorizes classes and interfaces, making them easy to maintain.
Java package offers access protection.
Java package eliminates naming collisions
