First part is the instructions and the second part is the .java phone book starter file. The last one attached is to explain handling null references. I will take care of the style/coding where it mentions checkstyle. Good luck.

Overview of Assignment This program will implement a rudimentary phone book, storing the first name, last name, and phone number for each person in the phone book. The "phonebook" will be stored in a 10x3 array of String s, with the first column storing first names, the second column storing last names, and the third column storing the phone number Here is an example of how the array might look for a 5x3 phonebook: Column 0 Column 1 Column 2 Row 0 Row 1 Row 2 Row 3 Row "Wanda" "Maximoff""513-222-3333 111-2222 "4021110000" "X612 none The first and last names will always be a single "word", and the phone number in column 2 can be in any "Jean" "Peter" "Professor" Quill" 4"Black" "Widow format