XStream反序列化Json

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public class ResData {
  private String retCode;
  private String retMessage;
  private ArrayList funds;

  public void setRetCode(String retCode){
      this.retCode = retCode;
  }
  
  public String getRetCode(){
      return retCode;
  }

  public void setRetMessage(String retMessage){
      this.retMessage = retMessage;
  }

  public String getRetMessage(){
      return retMessage;
  }

  public void setFunds(ArrayList funds){
       this.funds = funds;
  }

  public ArrayList getFunds(){
       return funds;
  }
}

 

public class Fund {
  private String name; 
  private String age;
  
  public void setName(String name){
       this.name = name;
  }

  public String getName(){
      return name;
  }

  public void setAge(String age){
       this.age = age;
  }

  public String getAge(){
      return age;
  }
}

 

public class MyTest {
 Fund fund1 = new Fund();
 fund1.setName("zs");
 fund1.setAge("20");
 Fund fund2 = new Fund();
 fund1.setName("ls");
 fund1.setAge("22");

 ArrayList funds = new ArrayList();
 funds.add(fund1);
 funds.add(fund2);

 ResData data = new ResData();
 data.setRetCode("007");
 data.setRetMessage("Over");
 data.setFunds(funds);
  
 //将bean序列化成json
 XStream xStream = new XStream(new JettisonMappedXmlDriver ());
 xStream.alias("ResData",ResData.class);
 xStream.alias("funds",Fund.class);
 String json = jsonStream.toXML(data);
 System.out.println(json);

 //将json反序列化成bean(结果报错)
 XStream beanStream = new XStream(new JettisonMappedXmlDriver ());
 beanStream.alias("ResData",ResData.class);
 beanStream.alias("funds",Fund.class);
 ResData conData = (ResData)beanStream.fromXML(json);
}