Q8: Design a BCD Counter using flip-flops. Read what is a BCD Counter? Show steps of design. Output Next State QAQ Qi Y Present State Qy Q. 0 0 0 0 0 0 0 1 0 0 1 0 0 0 1 1 0 ! 0 0 0 1 0 1 0 1 1 0 0 1 ! ! 1 0 0 0 1 0 0 1 0 0 0 0 0 0 0 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 0 0 1 1 0 0 0 1 0 1 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 Flip-Flop Inputs TO, TQ, TQ, TO, 0 0 0 1 0 0 1 1 0 0 0 1 0 1 1 1 0 0 0 1 0 0 1 1 0 0 0 1 1 ! 1 ! 0 0 0 1 1 0 0 1 Exercise 1 tan 1- Create a class to represent a rectangle type in java, the class should have the following fields: - Length: variable to hold the length of a rectangle. - Width : variable to hold the width of a rectangle. 2- The class should have a method that prints out the values of the width and length of a rectangle along with its area. "area of rectangle= width x length". 3- In the main class, declare and instantiate 2 objects of the rectangle class. 4- Set the variables' values for both objects and call that prints out the values and the area of the rectangle