The deed is done, in just under an hour!

Java-Assignment-002.iml

@@ -5,6 +5,7 @@
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
     </content>
+    <orderEntry type="jdk" jdkName="21" jdkType="JavaSDK" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
 </module>

src/Time.java

@@ -0,0 +1,54 @@
+public class Time {
+    public static void main(String[] args) {
+        System.out.println("Hello World!\n");
+
+        int hour;
+        int minute;
+        int second;
+
+        // Following the example program in Section 2.4 of your book,
+        // define variables named hour, minute, and second.
+        // Assign values that approximate the current time.
+        // Use a 24-hour clock (e.g., set hour to 14 for 2:00 PM).
+
+        hour = 18;
+        minute = 43;
+        second = 54;
+
+        int currentTime = (hour * 3600) + (minute * 60) + second;
+
+        //Implement the program to calculate and display the number of seconds since midnight.
+        System.out.println("The number of seconds since midnight is: " + currentTime);
+
+        //Extend the program to calculate and display the number of seconds remaining in the day.
+        int secondsInADay = 86400;
+
+        int secondsRemaining = secondsInADay - currentTime;
+
+
+        System.out.println("The seconds remaining in the day are: " + secondsRemaining);
+
+        System.out.println("Total seconds in a day = " + (secondsRemaining + currentTime));
+
+        //Further enhance the program to calculate and display the percentage of the day that has passed.
+        // Be cautious when dealing with percentages using integers; consider using floating-point numbers.
+
+        double percentagePassed = (double) currentTime / secondsInADay * 100;
+
+        System.out.println("\nThe percentage of the day since midnight is: " + percentagePassed + "%");
+
+        //Modify the values of hour, minute, and second to reflect the current time.
+        // Then, write code to compute the elapsed time since you started working on this exercise.
+
+        hour = 19;
+        minute = 23;
+        second = 27;
+
+        int currentTimeNow = (hour * 3600) + (minute * 60) + second;
+
+
+        System.out.println("\n" +
+                "Time, in seconds, worked on this program: " + (currentTimeNow - currentTime) + " = 39.55 mins.");
+
+    }
+}