Print description for a sound level and unit Program plan: Create a class “SoundLevel”, In the body of “main ()” method, create the object for “Scanner” class to get the input from the user. Get the values of sound and unit from the user using “next()” method. If the unit is equals to “Pa”, Calculate the sound level using the formula. Else, if the unit is not “dB”, then print “Invalid input”. Declare and initialize the description variables to the sound values. Compare the sound value with the initialized descriptions. Display the corresponding description for a sound value matched. If the value is not matched with any description range, then print the string as “Negative input”.

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Chapter 5, Problem 18PP

Program Plan Intro

Print description for a sound level and unit

Program plan:

Create a class “SoundLevel”,

In the body of “main ()” method, create the object for “Scanner” class to get the input from the user.

Get the values of sound and unit from the user using “next()” method.

If the unit is equals to “Pa”,

Calculate the sound level using the formula.

Else, if the unit is not “dB”, then print “Invalid input”.

Declare and initialize the description variables to the sound values.

Compare the sound value with the initialized descriptions.

Display the corresponding description for a sound value matched.

If the value is not matched with any description range, then print the string as “Negative input”.

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