DataManeger:

- DataManeger is static global var in Makkah.
    - Save states in data/ dir.
    - Clear all bin files with constructor.

src/DataManeger.java

@@ -9,11 +9,13 @@ public class DataManeger {
     private File workingDir;
 
     public DataManeger(){
-        workingDir = new File(".");
+        workingDir = new File("./data/");
+        workingDir.mkdir();
+        clearData();
     }
 
     public boolean stateAvailable(Date time) {
-        File f = new File(String.format("0x%016X.bin", time.getTime()));
+        File f = new File(String.format("./data/%s.bin", time.getTime()));
         return f.exists();
     }
 
@@ -22,7 +24,7 @@ public class DataManeger {
         if (stateAvailable(time)){
             try {
                 ObjectInputStream objectInputStream = new ObjectInputStream(
-                        new FileInputStream(String.format("%016X.bin", time.getTime())));
+                        new FileInputStream(String.format("./data/%s.bin", time.getTime())));
                 state = (State)objectInputStream.readObject();
                 objectInputStream.close();
             } catch (IOException | ClassNotFoundException e) {
@@ -34,7 +36,7 @@ public class DataManeger {
 
     public boolean saveState(State state, Date time){
         try {
-            FileOutputStream fs = new FileOutputStream(String.format("%016X.bin", time.getTime()));
+            FileOutputStream fs = new FileOutputStream(String.format("./data/%s.bin", time.getTime()));
             BufferedOutputStream bfs = new BufferedOutputStream(fs);
             ObjectOutputStream objectOutputStream = new ObjectOutputStream(bfs);
             objectOutputStream.writeObject(state);
@@ -57,7 +59,7 @@ public class DataManeger {
             if (file.getName().contains(".bin")){
                 String timeInName = file.getName().replaceAll(".bin", "").trim();
                 if ("".equals(timeInName)) continue;
-                long time = Long.parseLong(timeInName, 16);
+                long time = Long.parseLong(timeInName);
                 timesList.add(new HijriDate(time));
             }
         }
@@ -65,6 +67,14 @@ public class DataManeger {
         times = timesList.toArray(times);
         return times;
     }
+
+    private void clearData() {
+        for (File file : savedStateFiles()) {
+            if (file.getName().contains(".bin")){
+                file.delete();
+            }
+        }
+    }
 }
 
 class State implements Serializable {

src/MakkahCity.java

@@ -31,6 +31,7 @@ public class MakkahCity {
 	private static final InputListener inputListener = new InputListener();
 	private static final Thread t = new Thread(inputListener,"InputThread-Makkah");
 	private static boolean isAllRoutSet;
+	private static final DataManeger dataManeger = new DataManeger();
 	//GUI
 	private static boolean exit_flag;
 	private static boolean pause_flag;
@@ -1162,7 +1163,6 @@ public class MakkahCity {
 				stdStreet,
 				allArrivedToArafatTime,
 				allArrivedToHotelsTime);
-		DataManeger dataManeger = new DataManeger();
 		dataManeger.saveState(s, currenttimeManager.getCurrentTime());
 		System.out.println(Arrays.toString(dataManeger.savedStatesTimes())); //TODO FOR DEBUG REMOVE
 
@@ -1170,11 +1170,6 @@ public class MakkahCity {
 		if (!result) System.out.println("Could not save state "+currenttimeManager.getCurrentTime().getTime());
 	}
 
-	private static State loadState(Date time){
-		DataManeger dataManeger = new DataManeger();
-		return dataManeger.loadState(time);
-	}
-
 	 private static void updateStreetFrame() {
 		Object[][] streetData = new Object[stdStreet.length][6];
 		for (int i = 0; i < stdStreet.length; i++) {