factory.java

来自「23种GOF模式的java代码实现」· Java 代码 · 共 28 行

package org.gof.create.factory;

/**
 * <p>Title: 工厂模式</p>
 * <p>Description: 简单工厂模式范例</p>
 * <p>Copyright: Copyright (c) 2007</p>
 * @author by lbj
 * @version 1.0
 */

public class Factory {
  public static Sample creator(int which) {
    //getClass 产生Sample 一般可使用动态类装载装入类。
    if (which == 1) {
      return new SampleA();
    }
    else if (which == 2) {
      return new SampleB();
    }
    else return null;
  }
  public static void main(String[] args)
  {
    //工厂模式实现
    Sample sampleA=Factory.creator(1);
  }
}