Write a Java program to convert from US units to metric units.

Your user will have 3 options in a main menu

Length

Volume

Temperature

The length option will offer the user the option of converting from inches to centimeters or from centimeters to inches.

The volume option will offer the user the option of converting from gallons to liters or from liters to gallons

The temperature option will offer the user the option of converting from Fahrenheit to Celsius or from Celsius to Fahrenheit.

The table of conversions is below.

You are to do a functional decomposition here at the very least have methods for input, for processing, and for output. The goal here is for main() to be self-documenting. Follow the examples from class.

You may choose to use JOptionPane for input and output as demonstrated in class.

All output should be well formatted.

A run of your program might look like this (if you were using System.out.println and Scanner) user input is shown in red:

Conversion options:

Length

Volume

Temperature

Which conversion would you like to perform? 1

You have chosen length conversion.

Conversion options:

Inches to centimeters

Centimeters to inches

Which conversion would you like? 2

Enter the number of centimeters: 5

5 centimeters is equal to 1.968505 inches

Conversion Table

Length
1 in	2.54 cm
1 cm	0.393701 in
Volume
1 gallon	3.78541 liters
1 liter	0.264172 gallons
Temperature
Celsius	(Fahrenheit 32) * 5 / 9
Fahrenheit	Celsius * 9 / 5 + 32