Wrapper classes provide a class type corresponding to each of the primitive types so that you can have class types that behave somewhat like primitive types.

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Wrapper classes such as Integer, Double, Boolean, etc. provide class types corresponding to each of the primitive types in Java. These wrapper classes allow you to perform operations on primitive types as if they were objects, such as calling methods or passing them as arguments to other methods.

Wrapper Classes Provide a Class Type Corresponding to Each of the Primitive