Create a method called calcVal that has two numeric paramete…

Create a method called calcVal that has two numeric parameters and returns a number.  Return the difference of those two values (first one minus the second).  The parameter and return data types should match the data type for the promptUserData method created in the last question. Just like the last question, don’t include the main method or public class, just the method described.  If needed, assume Scanner package has been imported.  Also include the javadoc.

Write a method called promptUserData that has no parameters…

Write a method called promptUserData that has no parameters and returns a double.  Prompt the user for a double This double is what is returned. Don’t include a main method or public class; you can also assume Scanner has been imported.  Just the method described above.  Include the Javadoc.

Create a method called calcVal that has two numeric paramete…

Create a method called calcVal that has two numeric parameters and returns a number.  Return the product of those two values.  The parameter and return data types should match the data type for the promptUserData method created in the last question. Just like the last question, don’t include the main method or public class, just the method described.  If needed, assume Scanner package has been imported.  Also include the javadoc.