As mentioned in the beginning of this guide that we have two types of packages in java. 1) User defined package: The package we create is called user-defined package. 2) Built-in package: The already defined package like java.io.
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Package in Java is a mechanism to encapsulate a group of classes, sub packages and interfaces . Packages are used for: Preventing naming conflicts. For example there can be two classes with name Employee in two packages, college. staff.4 Mar 2022
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