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Need to ensure the examples are syntactically correct. For instance, using the new DateUtil method:

Then, best practices: How to integrate these new features into codebase, performance considerations, avoiding common pitfalls.

I should outline the guide in sections. The structure could include an introduction to Hutool, new features overview, detailed examples, best practices, and troubleshooting tips. Each new feature section should explain what's new, how to use it, and maybe code examples.

Wait, the user mentioned "Hutool 39 new." Maybe there's a typo here. Typically, versions are like 3.9.0 or similar. So I'll proceed under the assumption that it's version 3.9.0.

Hutool 39 New ((exclusive)) Direct

Need to ensure the examples are syntactically correct. For instance, using the new DateUtil method:

Then, best practices: How to integrate these new features into codebase, performance considerations, avoiding common pitfalls. hutool 39 new

I should outline the guide in sections. The structure could include an introduction to Hutool, new features overview, detailed examples, best practices, and troubleshooting tips. Each new feature section should explain what's new, how to use it, and maybe code examples. Need to ensure the examples are syntactically correct

Wait, the user mentioned "Hutool 39 new." Maybe there's a typo here. Typically, versions are like 3.9.0 or similar. So I'll proceed under the assumption that it's version 3.9.0. using the new DateUtil method: Then