How to make the webservice made by flask be called by java

receives a task to write a webservice, so that it can be called by java. In VS2015, I made webservice, with the FLASK module of PYTHON and tested successfully in the intranet, but the project file is not a WSDL file. What else do I need to do to achieve that the webservice can be called by JAVA?

Mar.06,2021
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-64f5-1bf468a-3a2b2.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1bf468a-3a2b2.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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