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Method References

High Priority24 min readUpdated June 6, 2026

A method reference is a shorthand for a lambda that does nothing but call an existing method. Any lambda of the form x -> someMethod(x) can be expressed as Type::someMethod or instance::someMethod. This lesson covers the four kinds, how the compiler decides which one a piece of syntax means, and the few situations where the shorthand can't replace the lambda.

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