Select from following answers:- Covariance and Contravariance
- Func and Action
- All of above
- All Above
Covariance and Contravariance are introduced as a new features with C#4.0 Covariance and contravariance enable implicit reference conversion for array types, delegate types, and generic type arguments. Covariance preserves assignment compatibility and contravariance reverses it.
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Asked In: HCL written test for freshers |
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