Add fill method for boolean arrays in ArrayFill utility class

[kommalapatiraviteja]

• Completes the fill methods for all primitive array types

Summary

This PR adds support for filling boolean[] arrays in the ArrayFill utility class, completing coverage for all primitive array types.

Changes

• Introduced public static boolean[] fill(boolean[] a, boolean val) method
• Consistent with existing fill methods for other primitive types like int, double, etc.
• Ensures fluent API style by returning the input array

Motivation

This method complements the existing API by supporting boolean[], which was missing. It helps users initialize boolean arrays in a fluent and consistent way across all primitive types.

Checklist

• Code compiles successfully
• All existing and unit tests pass
• Ran mvn command and verified build is successful.

[garydgregory]

Hello @kommalapatiraviteja

Thank you for the PR.