Use `Assert.notNull` for null check

[dukbong]

Use the Assert object for null checks.

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[mp911de]

While this seems an improvement, the changed state introduces eager evaluation of String.format(…). I think the code lines stem from a time before Assert accepted a message supplier. Care to switch to a lambda syntax providing the message as () -> String.format(…)?

[dukbong]

While this seems an improvement, the changed state introduces eager evaluation of String.format(…). I think the code lines stem from a time before Assert accepted a message supplier. Care to switch to a lambda syntax providing the message as () -> String.format(…)?

Oh my god! @mp911de Your feedback helped me revisit eager and lazy evaluation, allowing me to avoid unnecessary computations. Thank you for helping me improve my code.

[mp911de]

We're happy to help. Thanks a lot for the fast turnaround.

[dukbong]

We're happy to help. Thanks a lot for the fast turnaround.

I also appreciate the quick feedback. 😄 I'll continue to study hard to make great contributions in the future! 📚

[mp911de]

Thank you for your contribution. That's merged, polished, and backported now.

[dukbong]

Thank you for your contribution. That's merged, polished, and backported now.

Thank you! I learned something new from today's open source activities!