setValue method error in firebase database creation (android studio0

Question

I created a new project from scratch in android studio and tried connecting it to the firebase by following steps provided in help>firebase>database.

I got green checked for connecting app to firebase but I set up dependencies correctly . however I get setvalue method error.

I have attached a screenshot.

Answer 1

Capitalisation is very important.

myRef.setvalue("Hello World"); // this will not work
myRef.setValue("Hello World"); // this will work