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Generic Methods

High Priority18 min readUpdated June 6, 2026

A generic method is a method that declares its own type parameter independent of the type it lives in. You write the method once with a placeholder like T, and the compiler stamps out a working version for every element type the callers use, no casting and no duplication. This lesson covers how to declare them, how type inference figures out T at the call site, what happens when inference fails, and how generic methods interact with overload resolution.

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