a. Create a small java program section with a for loop which inputs 10 numbers, and calculates their sum, then prints the sum. b. Convert the for loop in part a, into a while loop to do the same task c. Convert the for loop in part a, into a do while loop to do the same task. 2. Using an array, input 20 values from the user, calculate the average and print how many values are under the average.