What is the author's style in A Perfect Day for Bananafish by J. D. Salinger?

Part of what makes "A Perfect Day for Bananafish" so intriguing is Salinger's use of symbols where the referents are highly ambiguous. The most notable example of this is the story of the bananafish itself. Seymour says that these imaginary fish lead "very tragic" lives, since they are "very ordinary-looking fish" until they swim into the banana hole, where they eat so many bananas that they get banana fever (a "terrible disease") and then die. This symbolic story of Seymour's is grounds for confusion about the nature of its referents. The bananafish may be symbolic of all people, who (in their fallen state) gorge themselves so much with sensory delights that their souls (or capacity to understand the innocence of someone like Sybil, for example) are figuratively killed by "banana fever." (The sexual symbolism of the story adds weight to this interpretation.) The bananafish may also be symbolic of Seymour himself, who (like many young men) was lured into the "banana hole" of war and figuratively consumed so many of the war's horrors that he is now unable to come out of the hole and reintegrate himself into the world of non-combatants. Either way (or even along other routes), Salinger deliberately leaves the referent of Seymour's symbols open for debate.