Update Exercise_*2.8.java

Author: hmjatt

Chapter_2/Exercise_*2.8.java

@@ -1 +1,50 @@
-//make changes
+
+/**
+ * CurrentTime.java, gives a program that displays the current time in GMT.Revise the program so it prompts the user to 
+ * enter the time zone offset to GMT and displays the time in the specified time zone.
+ * 
+ * Autor : Harmeet Matharoo
+ * Date : 05 May 2021
+*/
+import java.util.Scanner;
+public class CurrentTime {
+ public static void main(String [] args) {
+ 
+ 
+ // Obtain the total milliseconds since midnight, Jan 1, 1970 
+ long totalMilliseconds = System.currentTimeMillis(); 
+ 
+ // Obtain the total seconds since midnight, Jan 1, 1970 
+ long totalSeconds = totalMilliseconds / 1000; 
+ 
+ // Compute the current second in the minute in the hour 
+ long currentSecond = totalSeconds % 60;
+ 
+ // Obtain the total minutes 
+ long totalMinutes = totalSeconds / 60; 
+ 
+ // Compute the current minute in the hour 
+ long currentMinute = totalMinutes % 60; 
+ 
+ // Obtain the total hours 
+ long totalHours = totalMinutes / 60; 
+ 
+ // Compute the current hour 
+ long currentHour = totalHours % 24;
+ 
+ 
+ //Enter the timezone offset to GMT : "ask for input"
+ Scanner input = new Scanner(System.in);
+ 
+ System.out.print("Enter the timezone offset to GMT : ");
+ 
+ int offset = input.nextInt();
+ 
+ long currentOffsetHour = (totalHours + offset) % 24; 
+ 
+ 
+ // Display results 
+ System.out.println("Current time is " + currentOffsetHour + ":" + currentMinute + ":" + currentSecond + " GMT");
+ 
+ }
+}