Java Tutorial

package sessionThree;​public class Constants {    public static void main(String[] args) {        final int DAYS_IN_WEEK = 7; // Constants use UPPER_SNAKE_CASE by convention.        final double GST_RATE = 0.18;        // DAYS_IN_WEEK = 8;  // compile error: cannot assign a value to final variable        System.out.println(DAYS_IN_WEEK * 4);    }}​