Grokking Java Intermediate
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Utility Classes in Java

Java provides several utility classes that contain useful methods for performing common operations such as working with collections, handling strings, generating random numbers, and more. These classes help in reducing boilerplate code and improving efficiency by providing ready-to-use functionalities.

Commonly Used Utility Classes

Below is a list of essential utility classes in Java, their purpose, key methods, and simple examples.

| Utility Class | Package | Purpose |

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