What are the benefits of using Wrapper classes over primitive types ?

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 Q1. What are the benefits of using Wrapper classes over primitive types ?Core Java
Ans. With Collection classes , we cannot use primitive types. Moreover for any class using generic types, we cannot use primitive types.

They add more functionality by means of additional methods.

As their reference can be null , they offer consistent check for uninitialized state.

They facilitate caching and reuse by means of constant Pools.

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