Check out example codes for "GLG203". It will help you in understanding the concepts better.

Code Example 1

private String _id;
    private String _firstname;
    private String _lastname;
    private String _telephone;
    private String _street1;
    private String _street2;
    private String _city;
    private String _state;
    private String _zipcode;
    private String _country;
    private String _mail;

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