Convert Number to Double in Java: Quick Guide

To convert a Number type to a double type, you can use the doubleValue() method. For example:

Number number = 10;
double result = number.doubleValue();
System.out.println(result);

In the example above, the object of type Number is converted to type double and the result is stored in the variable result. The doubleValue() method will return a value of type double.