public static void deleteAccount(String player) {
String query = "delete from data where player = '" + player + "'";
database.query(query);
}
public static int getBalance(String player) {
String query = "select quantity from data where player = '" + player + "'";
return parseQueryToInt(database.query(query));
}
public static void updateQuantity(String player, int quantity) {
String query = "update data set quantity = " + quantity + " where player = '" + player + "'";
database.query(query);
}
public static void openAccount(String player, int quantity) {
String query = "insert into data(player,quantity) values('" + player + "'," + quantity + ")";
database.query(query);
}