Question: Goal: Learn to access characters in a string. Assignment: In a system for cataloging digital books, each book has a unique identifier code. The last

Goal: Learn to access characters in a string.
Assignment: In a system for cataloging digital books, each book has a unique identifier code. The last digit of this code determines the genre of the book.
Given a String variable bookCode and a char variable lastChar, write some code that assigns to lastChar the last character of the bookCode. If the value of bookCode were "XJ39E", the expression's value would be 'E'.

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