Java+MySQL

public void spremeni_geslo(
		String old_password,
		String new_password) {
		try {
			Statement stmt = getPovezava().createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,
                    ResultSet.CONCUR_UPDATABLE);
			ResultSet rsRezultat = stmt.executeQuery("SELECT password FROM Uporabnik WHERE username='"+upor_ime+"'");

	        while (rsRezultat.next()) {
	        	rsRezultat.updateString("password", new_password);
	        	rsRezultat.updateRow();
	        }
	        rsRezultat.close();
	      	stmt.close();	          	
		} catch (Exception e) {			
			e.printStackTrace();
		}        
	}