What's the Punishment for Shoplifting and Trespassing

My question involves criminal law for the state of: Arizona
Hi I was wondering my boyfriend has shoplifting class 1 misdemeanor on his record in a different city, el mirage. And he has court tomorrow for criminal trespassing in a different city. I was wondering whats the worst that can happen?

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Also he didnt even get out of the vehicle. He stayed in the parking lot.

The worst that can happen is that he goes to jail.