arrays-exercise 09 slide 29

package class170629;

import java.util.Scanner;

public class arrays09 {

    public static void main(String[] args) {
        /*
         * Exercise 9, slide 29
         * input : 5 chars to an array
         * output: are the values in the array is the same character
         */

        final int ARRAY_SIZE = 5;
        // create a scanner
        Scanner s = new Scanner(System.in);

        // define an integer array
        char[] chars = new char[ARRAY_SIZE];

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

        // scan the array
        int i;
        for (i = 1; i < chars.length && chars[i] == chars[0]; i += 1) {

        }

        // i==chars.length --> all charactars are the same
        System.out.printf("All characters are %sthe same\n",
                i == chars.length ? "" : "not ");
    }

}