public static void readFile(){
		File file=new File("monsters.dat");
		FileInputStream fin;
		ObjectInputStream in;
		try {
			fin = new FileInputStream(file);
			 in=new ObjectInputStream(fin);
			 int numMonsters=in.readInt();
			 current_id=numMonsters+2;
			 for(int i=0; i<numMonsters; i++){
				 Monster m=(Monster)in.readObject();
				 monsters.add(m);
			 }
			 
			 
			 
			 in.close();
			 fin.close();	 
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (ClassNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		finally{
			
		}
		
		
	}