public class IFile{ private Header1 header1; private List headerList; private trailer trailer; //getter and setter methods } public class Header1{ private String firstName; private String lastName; private String city; private String state; private String country; private String tilt; //getter and setter methods } public class Header2{ private String firstName; private String lastName; private String gender; private String schoolName; private String city; private String tilt; private List detailList; private Summary summary; //getter and setter methods } public class Detail{ private String addressLine1; private String addressLine2; private String addressLine3; private String emailAddress; private String mobileNumber; private String faxNumber; private String city; private String state; private String zip; private String tilt; //getter and setter methods } public class Summary{ private String fullName; private String address; private String mobileNumber; private String tilt; } public class Trailer{ private String variable1; private String variable2; private String variable3; private String tilt; }