The program below is to calculate the area of $$a rectangle. However, it produces error and$/$or incorrect results.

$1)$ Explain where and why the program went wrong $($use line numbers$).$

$2)$ Fix class shape to get accurate results. You don't have to rewrite the whole program, just explain how to fix them $($use line numbers$).$

$**$ Do NOT modify anything in the class WhatWrong.

$.$