Nicolas Fränkel • 1/18/2026

Checked exceptions and lambdas

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This technical article addresses the challenge of using Java methods that throw checked exceptions inside lambda expressions. It explains the problem, demonstrates a custom wrapper solution using a ThrowingFunction interface, and shows how libraries like Apache Commons Lang 3 and Vavr can simplify the integration of legacy exception-throwing code with modern Java streams and functional programming.

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#functional programming #error handling #Java
Checked exceptions and lambdas

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