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What are packages in Java?

70. What are packages in Java?

1. Methods of a friend class
2. Methods of the main class
3. Way to encapsulate a group of classes, sub-packages, and interface
4. All of these

Answer: C) Way to encapsulate a group of classes, sub-packages, and interface

Explanation:

Java packages are the ways to encapsulate a group of classes, sub-packages, and interface.