flutter doctor android licenses java.lang.NoClassDefFoundError code example
Example: flutter Exception in thread "main" java.lang.NoClassDefFoundError: javax/xml/bind/annotation/XmlSchema at
#Installing Android SDK Command-line tools from Android SDK Manager
1- Open Tools > SDK Manager
2-From the left choose, Appearance & Behavior > System Settings > Android SDK
3-Select SDK Tools from the top menu
4- Check Android SDK Command-line tools and click 'apply'.