Java can't while like C?

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Feb.28,2021

isn't it obvious that this error is reported? While wants a boolean expression, and NMurray-is obviously not of type boolean


C is weakly typed language.
Java is strongly typed language.

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-64f5-1e4793a-43f9d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e4793a-43f9d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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