如下程序代码的执行结果是

Question

如下程序代码 的执行结果是

class Singleton {
   private static Singleton obj = new Singleton()
   public static int counter1
   public static int counter2 = 0   private Singleton() {
      counter1++
      counter2++
    }
   public static Singleton getInstance() {
      return obj
    }
} 
public class MyMain()
  public static void main(String[] args) {
        Singleton obj = Singleton.getInstance()
        System.out.printIn("obj.counter1=="+obj.counter1)
        System.out.printIn("obj.counter2=="+obj.counter2)
    }
}