added constructor, validateAddress, setCoordsForAddress, and setDestinationAddress

Destination.java

@@ -1,16 +1,32 @@
 public class Destination {
-    private String address;
-    private class coordinates {
-        private float longitude;
-        private float latitude;
+    private String destinationAddress;
+    private double[] coordinates; //stores lat/long as terms in the array
 
-        private float getLongitude() {return longitude;}
-        private float getLatitude() {return latitude;}
-        public void setLongitude(float coord) {longitude = coord;}
-        public void setLatitude(float coord) {latitude = coord;}
-        public float[] getCoordinates() {
-            float[] coordsArray = {getLatitude(), getLongitude()};
-            return coordsArray;
+    public Destination(String inputAddress) { //constructor takes address, validates, then retrieves GPS coordinates and stores them
+        setDestinationAddress(inputAddress);
+    }
+
+    private boolean validateAddress() { //determines if provided address is valid
+        //execute call to address verification service API
+        //for the purposes of control flow in this example, will always return true
+        return true;
+    }
+
+    private void setCoordsForAddress() {
+        //execute call using address out to covnersion API such as Google Geocoding code example
+        //tmpCoords = geocodingAPI(address); with the assumption an array of coordinates is returned
+        //these explicit declarations will serve as testing values
+        double[] tmpCoords = { 27.993718340483223, -80.63008635738797};
+        coordinates[0] = tmpCoords[0];
+        coordinates[1] = tmpCoords[1];
+    }
+
+    public void setDestinationAddress(String newAddress) {
+        if (validateAddress()) {
+            destinationAddress = newAddress;
+            setCoordsForAddress();
+        } else {
+            //prompt error message
         }
     }
 }