. 1 public class Car { 2 Private static Car CAR = new new Car (); . 3 / ** . 4 * Multi cases, getInstance () remove the inside of a, (jdbc, connection pool) . 5 Private static List <Car> = new new cars the ArrayList < Car> (); . 6 * / . 7 Private CAR () {} . 8 public static CAR the getInstance () { . 9 return CAR; 10 } . 11 }