女友多的好处 （简单工厂模式）

java 的switch 语句的case 匹配为什么不能像delphi一样 支持String类型 哦

这里可以通过反射的话效果更佳

// 女友工厂

public class DreamGirlCreatFactory {
  
  public static DreamGirl creatDreamGirl(String girlName){
    
  if(girlName.equals("BeautifulGirl")){
   
   return new BeautifulGirl();
   
  }else if(girlName.equals("LivelyGirl")){
   
   return new LivelyGirl();
  } 
  else if(girlName.equals("LooksMediocreGirl")){
   
   return new LooksMediocreGirl();
   
  }else if(girlName.equals("SensibleGirl")){
   
   return new SensibleGirl();
   
  }
   return null;
 } 

 public static void main(String[] args){
  
  String girlName1 = "BeautifulGirl";
  String girlName2 = "LivelyGirl";
  String girlName3 = "LooksMediocreGirl";
  String girlName4 = "SensibleGirl";
  
  String[] girlName = new String[4];
  girlName[0]=girlName1;
  girlName[1]=girlName2;
  girlName[2]=girlName3;
  girlName[3]=girlName4;
  
  for(int i=0; i<4;i++){
   
   DreamGirl girl = DreamGirlCreatFactory.creatDreamGirl( girlName[i]);
   girl.can_do_something_for_boy();
  }
  }

}

下面是创建的对象的 接口

 
//基类

public class DreamGirl {
 
 public void can_do_something_for_boy(){

 }

}

下面都是具体实现

public class BeautifulGirl extends DreamGirl {

 public void can_do_something_for_boy() {
  
   System.out.println("陪老公逛街！！！");
 }
}


public class LivelyGirl extends DreamGirl {
 
 public void can_do_something_for_boy() {
   
   System.out.println("陪老公聊天！！！");
 }
}


public class LooksMediocreGirl extends DreamGirl {
 
 public void can_do_something_for_boy() {
   
   System.out.println("给老公做饭！！！");
 }
}
 

public class SensibleGirl extends DreamGirl {
 
 public void can_do_something_for_boy() {
   
   System.out.println("给老公洗衣服！！！");
 }
}