public void initializeDB() {
	    try {
	      // Load the JDBC driver
	      Class.forName("org.postgresql.Driver");
	      System.out.println("Driver loaded");

	      // Establish a connection		
	      String url = "jdbc:postgresql://ozguryazilim.bilkent.edu.tr/projectsme";
	      /*  String user = "user12";
	        String password = "34klq*";
	      String con = "jdbc:mysql://ozguryazilim.bilkent.edu.tr/projectsme";*/
	      //connection = DriverManager.getConnection(con,"osman","1269318+");
	      connection = DriverManager.getConnection(url,"osman","ozyaz.14");
	     
	  
	      System.out.println("Database connected");
	   
	     
	    }
	    catch (Exception ex) {
	      ex.printStackTrace();
	    }
 }