Java rookie, ask for guidance

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the first piece of code can be run without reporting an error. To hide the above code and run the following code is to report an error in the debugging console. Why, ask for guidance

Nov.17,2021
Line 19 in

figure: helloArray is char [] type, it cannot print directly


problem has been solved, thank you.


you are not a rookie at all. How can a rookie write java in vsc (

)?
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-64f5-1e4c1b6-44e76.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e4c1b6-44e76.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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