Generics · interview question

What does the constraint where T : new() require?

Multiple choiceEasy

T must have a public parameterless constructor.T must be a reference type.T must be a newly declared type.T must implement IDisposable.

Answer and explanation

Correct answer

A. T must have a public parameterless constructor.

new() lets generic code write new T(). It must be listed last when combined with other constraints.

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