JAVA - utilisation des strategy patterns

class MonBidule {

    String[] myArray = new String[]{"pomme", "pomme", "patate" .... }; 
  
    public void monTruc()
    {
          Strategy s1 = Strategy1.getInstance(this);
          Strategy s2 = Strategy2.getInstance(this);
          ..........

          Strategy s[] = {s1,s2,....};

          for (int i = 0; i < s.length; i++) {
              s[i].execute();
          }
     }

     .......
}

abstract class Strategy {
         protected MonBidule b;
         abstract public void execute();
}

class StrategyStub {
        public void execute(){}
        private StrategyStub(MonBidule b) { this.b = b; }
}

class Strategy1 {
       public static Strategy getInstance(MonBidule b)
       {
               if (b.queDesPommes())
                   return new Strategy1(b);
               else
                   return new StrategyStub(b);
       }
       private StrategyStub(MonBidule b)
       {
              //.....
       }
       public void execute()
       {
              .....//doSomething1()
       }
}

class Strategy2 {
       public static Strategy getInstance(MonBidule b)
       {
               if (b.mesFruitsSontTousRouges())
                   return new Strategy2(b);
               else
                   return new StrategyStub(b);
       }
       private StrategyStub(MonBidule b)
       {
              //.....
       }
       public void execute()
       {
              .....//doSomething2()
       }
}