arrays-exercise 05, slide 28

package class170629;

import java.util.Scanner;

public class arrays05 {

    public static void main(String[] args) {
        /*
         * Exercise 5, slide 28
         * input : 10 numbers to an array
         * process: add 1 to values in even keys, subtract 1 from 3 multiplications keys
         * output: print all array values
         */

        // create a scanner
        Scanner s = new Scanner(System.in);

        // define an integer array, size=10
        int[] numbers = new int[10];

        System.out.printf("Enter %d integer numbers:\n", numbers.length);
        // get data from user and save it in the array
        for (int i = 0; i < numbers.length; i += 1) {
            numbers[i] = s.nextInt();

            numbers[i] += i % 2 == 0 ? 1 : 0; // add 1 to even places
            numbers[i] -= i % 3 == 0 ? 1 : 0; // subtract 1 from 3
                                                // multiplications places
        }
        s.close();

        // print numbers in the array
        //System.out.print("Numbers: ");
        for (int i = 0; i < numbers.length; i += 1) {
            System.out.printf("%d ", numbers[i]);
        }
        System.out.println();

    }

}