These programs are to written in java.

program1:

Write an application that takes in an Array of 30 Grades (integer) and returns the maximum grade, minimum grade, average of all grades, and show the grade distribution (count to get number students getting each grade). You can assume grades are A(90-100), B(80-89), C(70-79) and F(0-69) . Note; maximum grade, minimum grade, average grade, and distribution must use implemented as separate methods.

program 2:

Write a java application that first read in the size of a one dimensional array, read in each array element of double type, reverses the order of this one-dimensional array. Do not create another array to hold the result.