Two questions about IDEA automatic completion Code

after coming from eclipse, I am not used to many operations and settings. I would like to ask
1. How can automatic completion display the overloading of construction methods, for example:

eclipse

2:

:

eclipse is automatically completed with formal parameters, and the tab key can be used to switch formal parameters for editing

Mar.22,2021

come to this system to learn about
https://github.com/judasn/Int.

.

idea doesn't seem to have this function ~
clipboard.png

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-64f5-1b35a7a-2bfa2.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b35a7a-2bfa2.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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