The difference between vert.x and rxjava

vert.x and rxjava are both responsive programming frameworks, while vert.x is more like a set of tools. So do you still need to use rxjava when using vert.x?

is there any suitable application scenario for rxjava in addition to being used on mobile devices such as android?

Mar.21,2021
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-64f5-1be5ba5-30ce7.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1be5ba5-30ce7.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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