Need assistance please ! Programming in Java

From chapter 8 program a solution to exercise 8.10 (page 311) "Largest row and column". When the number of rows is the same as the number of columns it is a square matrix of that size i.e. 4 X 4 is a size 4 square matrices. In addition to the instructions for this exercise let the user enter in the size of the square matrix they want. The lowest size can be 4; the largest size can be 16. The output will still be like the example. Submit your solution as an executable jar file named Assignment8.jar file. Be sure that your source code is included in the jar file.