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How to get the list of subclasses while deserializing json?

Hi, I have the following scenario


public class master{//this is an empty class.





public class child1 extends master{


public static integer a;

public static integer b;



public class child2 extends master{


public static integer a2;

public static integer b2;



public class child1Data {


public List<master> data;





now suppose I get a list of child1 classes in json, I need to parse it.


so to parse



child1Data  Data = (child1Data )JSON.deserialize(response.getBody(), child1Data .class);



but after deserialization I am getting List<master>  as empty.


this is because master class is empty,but need the list of child1 classes in that list to be parsed


Please help me out.