Catcher In the Rye---->Holden's stereotype

From The two nuns we know that Holden has stereotype about the nuns, and now he is a bit discrimination.

" If white girl was singing it, she'd make it sound cute as hell."

This is in page 115, which content both discrimination and Stereotype( and some swearing)

For this part, we can know that the media has effect the teenagers in America a lot, which content many stereotype.

Therefore, he is a normal teenager boy in that time.