Given a person's name, return the sentence "My name is <name>.". This is the classic first program, with one twist: instead of printing straight to the screen, the function hands its text back so it can be checked automatically. A program that prints would end with a print call such as System.out.println(result) — everything before that line is identical. The concatenationConcatenationJoining strings end to end to make one longer string, usually written with the + operator. version joins the pieces by hand; the formatted stringFormatted StringA text template with placeholders (%s, {name}) that the language fills in with values. version writes the sentence once and drops the name into a placeholder.