RUBY

ruby string upper case

'hello David!'.downcase     #=> hello david!
'hello David!'.upcase       #=> HELLO DAVID!
'hello David!'.capitalize   #=> Hello david!
'hello David!'.titleize     #=> Hello David!
'TESTING'.swapcase          #=> testing
'testing'.swapcase          #=> TESTING

string uppercase ruby

name = "mooventhan"
name.upcase