Question: Write a JPanel (Conversion.java) and its testing class (testConversion.java) with appropriate layout to create a user interface as shown in the figure below. Your program

Write a JPanel (Conversion.java) and its testing class (testConversion.java) with appropriate layout to create a user interface as shown in the figure below. Your program should let the user enter a value in pound and should display the anwer in kilograms in a text area when the "Convert!" button is clicked. Note, your answers should be expressed in three decimal places, and use append() method to append the answers to the text area so that any previous answers won't go away.

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