Example 1: Add strings to a StringBuffer

MAIN
  DEFINE buf base.StringBuffer 
  LET buf = base.StringBuffer.create()
  CALL buf.append("abc")
  DISPLAY buf.toString()
  CALL buf.append("def")
  DISPLAY buf.toString()
  CALL buf.append(123456)
  DISPLAY buf.toString()
END MAIN

Output:

abc
abcdef
abcdef123456