Double object

Definition

A Double object is an instance of the wrapper class Double, which wraps around a primitive double value and provides additional methods to manipulate and perform operations on that value.

Related terms

Wrapper class:

A wrapper class is a class that provides an object representation for primitive data types. In this case, the Double class is the wrapper class for the double data type.

Autoboxing:

Autoboxing is the automatic conversion of a primitive data type to its corresponding wrapper class. For example, when assigning a primitive double value to a Double variable.

Unboxing:

Unboxing is the process of converting an object of a wrapper class back to its corresponding primitive data type. This happens automatically when using an operator or method that requires a primitive value.