Originally Posted by
caffeinecups
I love the book.
I think the use of the words "goddamn" and "phony" was necessary in establishing the main character, who is a 17-year old boy. It is surprising to a point that the boy has a wide vocabulary at his age, but granting that Salinger wanted to create a smart but young guy, he would definitely blend the use of wit and sarcasm with recurring words as "goddamn" and "phony" for Caulfield.
I read the book on my own many years after my own teenage years, so I'm only guessing why it is included in the curriculum in schools. I think teenagers will relate to this work because it is about a teenager, but the idea that must get across is the free prose that Salinger used to convey his message. This is, after all, creative writing.