'SQL Developer Language won't change

I have an issue with SQL developer where the GUI language won't change as it shows here

[1]: https://i.stack.imgur.com/hNvvf.png

Now I have tried the solutions where I added the following to sqldeveloper.conf file and even tried it on the ide.conf. I even tried reinstalling sqldeveloper yet nothing is resolved.

AddVMOption -Duser.language=en 
AddVMOption -Duser.region=US

Here's the full sqldeveloper.conf file:

IncludeConfFile ../../ide/bin/ide.conf

AddVMOption -Duser.language=en 
AddVMOption -Duser.region=US 

#https://community.oracle.com/thread/4337814
AddVMOption -Xss100m

#Set our usage tracking URI
AddVMOption  -Dide.update.usage.servers=https://www.oracle.com/webfolder/technetwork/sqldeveloper/usage.xml

#Disable the AddinPolicyUtils
AddVMOption  -Doracle.ide.util.AddinPolicyUtils.OVERRIDE_FLAG=true

#Draw performance change
AddVMOption -Dsun.java2d.ddoffscreen=false

#font performance
AddVMOption -Dwindows.shell.font.languages=

AddVMOption -Doracle.ide.startup.features=sqldeveloper

AddJavaLibFile ../lib/oracle.sqldeveloper.homesupport.jar
AddVMOption -Doracle.ide.osgi.boot.api.OJStartupHook=oracle.dbtools.raptor.startup.HomeSupport

#Configure some JDBC settings

AddVMOption -Doracle.jdbc.mapDateToTimestamp=false  
AddVMOption -Doracle.jdbc.autoCommitSpecCompliant=false

# The setting below applies to THIN driver ONLY for others set this to false. 
# Refer to OracleDriver doc. for more info.
AddVMOption -Doracle.jdbc.useFetchSizeWithLongColumn=true

AddVMOption -Dsun.locale.formatasdefault=true
AddVMOption -Dorg.netbeans.CLIHandler.server=false




#Disable remote entity resolution
AddVMOption -Doracle.xdkjava.security.resolveEntityDefault=false

# Avoid rendering exceptions on some graphics library / java / Linux combinations
# enable only if you are getting
# java.lang.ClassCastException: sun.awt.image.BufImgSurfaceData cannot be cast to sun.java2d.xr.XRSurfaceData
# ref: https://stackoverflow.com/questions/34188495/how-can-i-work-around-the-classcastexception-in-java2d-bug-id-7172749
# AddVMOption -Dsun.java2d.xrender=false

# Bug 27758406 JAVAFX JFXPANEL USAGE (WELCOME/INSTANCE VIEWER) CONFUSES SWING WINDOW SCALING
AddVMOption -Dprism.allowhidpi=false

IncludeConfFile  java11.conf

IncludeConfFile  sqldeveloper-nondebug.conf
sqloracleoracle-sqldeveloper


Solution 1:[1]

From the comments, the solution was to re-download SQL Developer with the included JDK and ensure that SQL Developer was configured to use this JDK.

Solution 2:[2]

You can follow the step-by-step as in the below image. The language that you want to change depends on the added language code, for example, en, vn........ enter image description here

Sources

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Source: Stack Overflow

Solution Source
Solution 1 Luke Woodward
Solution 2 Dinh Tien Si

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