1. to wrap primitive into object forms so that we can handle primitives also just like objects. 2. To define several utility methods which are required for primitives. Constructors Almost all wrapper ...

Explanation of Output The first part demonstrates autoboxing by converting a primitive int to an Integer object. The second part demonstrates autounboxing by converting an Integer object to a ...

Note that an instance of the Long wrapper class is different from the lower-case long primitive type. Fortunately, Java’s autoboxing feature typically hides the differences between them, although the ...

The Integer class is a wrapper class for the int, while the int is not a class at all. The Integer class allows conversion to float, double, long and short, while the int doesn’t. The Integer consumes ...