Oracle SQL Developer 菜单中文修改为英文

I've tried the tip found athttp://misteratmisis.com/infotech/how-change-oracle-sql-developer-interface-japanese-english, namely adding the VM options

(Tested with SQL Developer 17.2.0.188)
Edit file at

/Applications/SQLDeveloper.app/Contents/Resources/sqldeveloper/sqldeveloper/bin/sqldeveloper.conf

and add the line

AddVMOption  -Duser.language=en