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Grade Arrays

import java.util.*; public class GradeArrays { public static void main(String[] args){ double[] grades = new double[20];//array of 20 different grades System.out.println("The grades are: \n"); for (int i = 0; i<20; i++) { int randomNumber = (int) (Math.random( ) * (100 - 60) + 1) + 60;//random number generator grades[i] = randomNumber; System.out.println(grades[i] + "%"); }//end of first for loop double high = 0.0; double low = 100.0; double sum = 0.0; double average = 0.0; for(int i = 0; i < 20; i++){ double value = grades[i]; double value2 = grades[i]; if (value > high){ high = value;//finds highest grade } if (value2 < low){ low = value2;//find lowest grade } sum += grades[i]; average = sum / 20;//average of all grades }//end of 2nd for loop System.out.println("\nThe highest grade is: " + high + "%"); System.out.println("The lowest grade is: " + low + "%"); System.out.println("The average grade is: " + average + "%"); }//end of method }//end of class

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