I need your help to answer this question correctly. please also post pictures of input and output as my professor needs it. I need to get it done correctly

Assignment 6b Write a client program grade.java that creates a symbol table mapping letter grades to numerical scores, as in the table below, then reads from standard input a list of letter grades and computes and prints the GPA (the average of the numerical scores of the corresponding grades). Specify which method you are using (ordered/unordered array, linked list etc...) Use the following as input and print the symbol table out and the GPA A+ 4.33 4.00 3.67 3.33 3.00 2.67 2.33 2.00 1.67 1.00 0.00