Questions about the react native environment?

Why does RN need jdk, androidsdk, node, python2?
what are their respective roles?

sdk depends on jdk?

is python a must? Why does it have to be python2? His role document does not explain what he is doing

App-developing react-native android node.js html5
Jan.20,2022

it's best not to make it so complicated. After you install both Xcode and Android Studio, you can run the simulator,
can do RN development

python is not necessary, jdk androidsdk because you want to generate Android environment, and these are needed for Android environment

Previous: Under Linux, if you sort by the last character of a paragraph, can you use sort? For example, some fields of variable length, 1125 and 21332, compare 2 and 5.

Next: Mobile adaptation problem

css mysql arrays josn react html typescript webpack npm sass R objective-c .net sql-server jquery python-3.x angularjs django angular excel regex iphone ajax linux xml pandas vba spring database wordpress string wpf xcode windows bash postgresql oracle multithreading eclipse list firebase algorithm macos forms image scala visual-studio azure bootstrap spring-boot react-native python-2.7 docker performance function winforms matlab powershell apache dataframe api sqlite numpy rest shell selenium flutter dart maven loops qt swing android-studio csv express file class tensorflow sorting codeigniter perl
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-64f5-1e3cdbd-43a43.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e3cdbd-43a43.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?