import java.util.*;

public class FlyweightFactory {
  HashMap pool = new HashMap();

  public FlyweightFactory() {
    pool.put("A" , new ConcreteFlyweight());
    pool.put("B" , new ConcreteFlyweight());
    pool.put("C" , new ConcreteFlyweight());
  }

  public Flyweight getFlyweight(String key) {
    return (Flyweight)pool.get(key);
  }
}