lucky7456969 Posted September 3, 2013 Share Posted September 3, 2013 I don't know why Here is the factory class/* * To change this template, choose Tools | Templates * and open the template in the editor. */ package jewellery.Charting; /** * * @author Jacky */ public class AgeDistribution { int ProductID; String ProductName; String AgeGroup; int NoOfPeople; public AgeDistribution() { } public AgeDistribution(int ProductID, String ProductName, String AgeGroup, int NoOfPeople) { this.ProductID = ProductID; this.ProductName = ProductName; this.AgeGroup = AgeGroup; this.NoOfPeople = NoOfPeople; } public int getProductID() { return ProductID; } public void setProductID(int ProductID) { this.ProductID = ProductID; } public String getProductName() { return ProductName; } public void setProductName(String ProductName) { this.ProductName = ProductName; } public String getAgeGroup() { return AgeGroup; } public void setAgeGroup(String AgeGroup) { this.AgeGroup = AgeGroup; } public int getNoOfPeople() { return NoOfPeople; } public void setNoOfPeople(int NoOfPeople) { this.NoOfPeople = NoOfPeople; } } /* * To change this template, choose Tools | Templates * and open the template in the editor. */ package Reporting.BeanDataSource; import java.util.ArrayList; import java.util.List; import jewellery.Charting.AgeDistribution; /** * * @author Jacky */ public class AgeDistributionFactory { public static java.util.Collection generateCollection() { java.util.Vector collection = new java.util.Vector(); assert (!lAgeDistribution.isEmpty()); for (AgeDistribution ageDist : lAgeDistribution) { collection.add(ageDist); } return collection; } public static void addToCollection(AgeDistribution ageDist) { lAgeDistribution.add(ageDist); } static List<AgeDistribution> lAgeDistribution = new ArrayList<>(); } net.sf.jasperreports.engine.JRException: Error retrieving field value from bean : ProductID Link to comment Share on other sites More sharing options...
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