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I have a Java Data Source with inner List


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I have a Problem to print this kind of data in JasperReport,


class Emp{


String name;

String surname;


ArrayList <Contact> contactList;


//setter and getter methods of List





class Contact


String address1;

String address2;

//setter and getter methods of List



so How can i develop this kind of Report

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You can encapsulate the objects within a JRBeanArrayDataSource or JRBeanCollectionDataSource and access the elements of the objects as fields. The inner contactList is best suited for being used in a sub-report (just off top of my head, this may not be the case depending on your report design), you would pass the sub-report a datasource expression of "new JRBeanCollectionDataSource($F{contactList})"




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