feat(3.4.3): Finished U3_L4_Activity_Three

src/main/java/Unit3/U3_L4_Activity_Three.java

@@ -0,0 +1,29 @@
+package Unit3;
+
+import java.util.Scanner;
+
+public class U3_L4_Activity_Three {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+
+        System.out.println("Please enter the latitude:");
+        double latitude = scanner.nextDouble();
+        System.out.println("Please enter the longitude:");
+        double longitude = scanner.nextDouble();
+
+        boolean isLatitudeWithinBounds = (latitude >= -90.0 && latitude <= 90.0);
+        boolean isLongitudeWithinBounds = (longitude >= -180.0 && longitude <= 180.0);
+
+        if (!isLatitudeWithinBounds) {
+            System.out.println("latitude is incorrect");
+        }
+        if (!isLongitudeWithinBounds) {
+            System.out.println("longitude is incorrect");
+        }
+        if (isLatitudeWithinBounds && isLongitudeWithinBounds) {
+            System.out.println("The location: " + latitude + ", " + longitude);
+        }
+
+        scanner.close();
+    }
+}