Question: I was taught basic Java Arrays, Declaring (Initializing) an Empty Array and Multi-Dimensional Arrays. I know that as we learn more advanced coding there will

I was taught basic Java Arrays, Declaring (Initializing) an Empty Array and Multi-Dimensional Arrays. I know that as we learn more advanced coding there will be easier/advanced/complex ways of doing it but since I don't know anything about that yet, it would be best if it was done with basic level ones. Please and Thank you.
In-class Exercise 2: Grade Calculator Create a Java program that will convert a letter grade to it's numeric counterpart. (You can ignore modifiers like + or -). Start by creating two arrays: The first holds the valid letter grades (A, B, C, D, F) The second holds the corresponding numeric grades (4,3,2,1,0) Ask the user to enter a letter grade. Determine and output the corresponding numeric grade, with an appropriate message. Don't worry about data validation. 9
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