api keys

src/Location.java

@@ -16,6 +16,7 @@ public class Location {
 	private double latitude;
 	private double longitude;
 	private String city;
+	private String lastInfoString;
 	
 	public Location(double lat, double lon) {
 		latitude = lat;
@@ -79,13 +80,15 @@ public class Location {
                  JSONArray array=(JSONArray)resultObject;
                  for (Object object : array) {
                      JSONObject obj =(JSONObject)object;
-                     city = (String)obj.get("city");
+                     city = (String)obj.get(API_Keys.city.name());
+                     lastInfoString = (String)obj.toString();
                  }
 
              }
              else if (resultObject instanceof JSONObject) {
                  JSONObject obj =(JSONObject)resultObject;
-                 city = (String)obj.get("city");
+                 city = (String)obj.get(API_Keys.city.name());
+				 lastInfoString = (String)obj.toString();
 
 			 }
 		}
@@ -103,4 +106,22 @@ public class Location {
 		}
 		return city;
 	}
+
+
+	private  enum API_Keys {
+		zip,
+		country,
+		city,
+		org,
+		timezone,
+		isp,
+		quary,
+		regionName,
+		lon,
+		lat,
+		as,
+		countryCode,
+		region,
+		status
+	}
 }

src/Questions.java

@@ -9,6 +9,8 @@ public class Questions {
 	
 	
 	public static void run(){
+
+		try {
 		Person p = new Person(12345, "Hesham", Level.BA);
 		System.out.println("-------------------------------------------------");
 		Scanner in = new Scanner(System.in);
@@ -26,6 +28,11 @@ public class Questions {
 		p.getEdu().addCourses(list);
 		Print(p);
 		}
+		catch (Exception ex) {
+			System.out.print(" Error in input. \n");
+			ex.printStackTrace();
+		}
+	}
 	
 	private static String askForName(Scanner in) {
 		String name = null;
@@ -65,7 +72,7 @@ public class Questions {
 	
 	/**
 	 * Finds the correct enum value of the parameter.
-	 * @param a string naming the account type
+	 * @param  string naming the account type
 	 * @return AccountType
 	 * @since 0.1
 	 * @exception IncorrectStringException