Java How to Program, Early Objects, 11th Edition

... an array using command-line arguments.
 3
 4   public class InitArray {
 5      public static void main( String[] args) {
 6         // check number of command-line arguments
 7         if ( args.length != 3) {
 8            System.out.printf(
 9               "Error: Please re-enter the entire command, including%n" +
10               "an array size, initial value and increment.%n");
11         }
12         else {
13            // get array size from first command-line argument
14             int arrayLength = Integer.parseInt(args[0]);
15            int[] array = new int[arrayLength];
16
17            // get initial value and increment from command-line arguments
18             int initialValue = Integer.parseInt(args[1]);
19             int increment = Integer.parseInt(args[2]);
20
21            // calculate value for each array element
22            for (int counter = 0; counter < array.length; counter++) {
23 array[counter] ...