base.StringBuffer.toUpperCase()

toUpperCase() is used to convert the characters of the buffer string to the upper case. The upper case characters, symbols and numbers will not be converted. The method does not require any arguments and does not return anything.

stb.toUpperCase()

Usage example:

MAIN
   DEFINE stb base.StringBuffer
   LET stb = base.StringBuffer.create()
   CALL stb.append("string")
   CALL stb.toUpperCase()
   DISPLAY stb.toString()
END MAIN