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Asked: 2026-06-03T04:35:27+00:00

Consider: public <U> void doSomethingWith(U u) { … } Method returns void Method gets

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Consider:

public <U> void doSomethingWith(U u) {
   ...
}
  • Method returns void
  • Method gets to know the type of U when it is passed to the method

Using Java, what is <U> designed to represent?

I’d like to clarify:
Is it a kind of predeclaration “That thing of type U that’ll be passed to you that and you don’t know about .. well, it can be anything”?

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1 Answer

  1. Editorial Team

    Using Java, what is <U> designed to represent?

    Is it a kind of predeclaration "That thing of type U that’ll be passed to you that and you don’t know about .. well, it can be anything"?

    Yes. It is called a generic type parameter. Read more here.

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