How to generate java Code from startUML Class Diagram

< H2 > how to set up startUML 3.0.2 software to generate java code < / H2 >

I can"t use uml at all when I learn it for the first time

drew a simple class diagram

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generate

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Nov.05,2021

path error: select a base model prompts you to select a base class model, all select model modules instead of class diagrams
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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b3b575-4d924.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3b575-4d924.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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