Problem 1: Write a program named GradeDistribution.java, that accepts a number n from the command argument list, Use the number n to initialize an int array with the size of n, then assign a random grades to each elements of the grades array. Calculate and display the average grades. Problem 2: Write a program named TossingCoinSimulation.java, that accepts a number N from the Cmd argument list. Your program will generate N random numbers: either 0 or 1, then count and display the number of 0s and 1s.

annotations along with the code help me understand how the blocks of code work!