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untuk codingan nya dibawah ini : /*  * To change this license header, choose License Headers in Project Properties.  * To change this template file, choose Tools | Templates  * and open the template in the editor.  */ package ujian.akhir.semester; import java.awt.EventQueue; import java.beans.Beans; import java.util.ArrayList; import java.util.List; import javax.persistence.RollbackException; import javax.swing.JFrame; import javax.swing.JPanel; /**  *  * @author User  */ public class dbhewankurban extends JPanel {         public dbhewankurban() {         initComponents();         if (!Beans.isDesignTime()) {             entityManager.getTransaction().begin();         }     }     /**   ...

Ini Source Code Untuk Program Diatas /*  * To change this license header, choose License Headers in Project Properties.  * To change this template file, choose Tools | Templates  * and open the template in the editor.  */ /**  * @author User  */ public class HomenetHilman extends javax.swing.JFrame {     /**      * Creates new form HomenetHilman      */     public HomenetHilman() {         initComponents();     }     /**      * This method is called from within the constructor to initialize the form.      * WARNING: Do NOT modify this code. The content of this method is always      * regenerated by the Form Editor.      */     @SuppressWarnings("unchecked")     // <editor-fold defaultstate="collapsed" desc="Generated Code"> ...