import edu.stanford.nlp.util.Factory; //导入依赖的package包/类
public Factory<Counter<E>> getFactory() {
  return new Factory<Counter<E>>() {
    private static final long serialVersionUID = 7470763055803428477L;

    public Counter<E> create() {
      return new IntCounter<E>(getMapFactory());
    }
  };
}
 

import edu.stanford.nlp.util.Factory; //导入依赖的package包/类
/** {@inheritDoc} */
public Factory<Counter<E>> getFactory() {
  return new ClassicCounterFactory<E>(getMapFactory());
}
 

import edu.stanford.nlp.util.Factory; //导入依赖的package包/类
/** {@inheritDoc} */
@Override
public Factory<Counter<E>> getFactory() {
  return new ClassicCounterFactory<E>(getMapFactory());
}
 

import edu.stanford.nlp.util.Factory; //导入依赖的package包/类
/**
 * Returns a factory that can create new instances of this kind of Counter.
 *
 * @return A factory that can create new instances of this kind of Counter.
 */
public Factory<Counter<E>> getFactory();