Tugas Uas Algo

oke saya akan menampilkan hasil nya screenshots project saya yaitu membuat tiket konser 

private void closeButtonActionPerformed(java.awt.event.ActionEvent evt) {                                           

        // TODO add your handling code here:

        {

            System.exit(0);

        }

    }                        

private void NewButtonActionPerformed(java.awt.event.ActionEvent evt) {                                         

        // TODO add your handling code here:

        tiketkonser.Penjualankonser p = new tiketkonser.Penjualankonser();

        entityManager.persist(p);

        list.add(p);

        int row = list.size() - 1;

        masterTable.setRowSelectionInterval(row, row);

        masterTable.scrollRectToVisible(masterTable.getCellRect(row, 0, true));

    }                                         

private void saveButtonActionPerformed(java.awt.event.ActionEvent evt) {                                          

        // TODO add your handling code here:

        try {

            entityManager.getTransaction().commit();

            entityManager.getTransaction().begin();

        } catch (RollbackException rex) {

            rex.printStackTrace();

            entityManager.getTransaction().begin();

            List<tiketkonser.Penjualankonser> merged = new ArrayList<tiketkonser.Penjualankonser>(list.size());

            for (tiketkonser.Penjualankonser p : list) {

                merged.add(entityManager.merge(p));

            }

            list.clear();

            list.addAll(merged);

        }

    }                                          

private void hitungButtonActionPerformed(java.awt.event.ActionEvent evt) {                                            

        // TODO add your handling code here:

        float jumlahtiket=Float.parseFloat(jumlahtiketField.getText());

        float hargatiket=Float.parseFloat(hargatiketField.getText());

        float hargatotal=jumlahtiket*hargatiket;

        hargatotalField.setText(""+hargatotal);

    }                                           

private void refreshButtonActionPerformed(java.awt.event.ActionEvent evt) {                                             

        // TODO add your handling code here:

        entityManager.getTransaction().rollback();

        entityManager.getTransaction().begin();

        java.util.Collection data = query.getResultList();

        for (Object entity : data) {

            entityManager.refresh(entity);

        }

        list.clear();

        list.addAll(data);

    }                                            

private void deleteButtonActionPerformed(java.awt.event.ActionEvent evt) {                                            

        // TODO add your handling code here:

        int[] selected = masterTable.getSelectedRows();

        List<tiketkonser.Penjualankonser> toRemove = new ArrayList<tiketkonser.Penjualankonser>(selected.length);

        for (int idx = 0; idx < selected.length; idx++) {

            tiketkonser.Penjualankonser t = list.get(masterTable.convertRowIndexToModel(selected[idx]));

            toRemove.add(t);

            entityManager.remove(t);

        }

        list.removeAll(toRemove);

    }                                           

Tugas Uas Algoritma

Membuat Database Sederhana




1.jalankan aplikasi program netbeans
 setelah menjalankan kelik file >new project>kelick next>membuat nama project>klik Finish


 
2. cara connection database ke netbeans

   a. services databases klik kanan  new connection 

   b. driver pilih MySQL ( connector / J driver)  next

   c.  database : isi nama databases yg sudah di buat test connection 

   d. finish 

   e. di projek klik kanan new pilih  master detail simple from 
   f. package isi tempat yg di inginkan next next finish 




oke saya akan menampilkan hasil nya screenshots project saya yaitu membuat tiket berenang

INI  SCRIPT NYA

private void closeButtonActionPerformed(java.awt.event.ActionEvent evt) {                                           

        // TODO add your handling code here:

       {

            System.exit(0);

           }       

    }               

private void NewButtonActionPerformed(java.awt.event.ActionEvent evt) {                                         

        // TODO add your handling code here:

        tiketberenang.PenjualanTiket p = new tiketberenang.PenjualanTiket();

        entityManager.persist(p);

        list.add(p);

        int row = list.size() - 1;

        masterTable.setRowSelectionInterval(row, row);

        masterTable.scrollRectToVisible(masterTable.getCellRect(row, 0, true));

    }               

private void saveButtonActionPerformed(java.awt.event.ActionEvent evt) {                                          

        // TODO add your handling code here:

        try {

            entityManager.getTransaction().commit();

            entityManager.getTransaction().begin();

        } catch (RollbackException rex) {

            rex.printStackTrace();

            entityManager.getTransaction().begin();

            List<tiketberenang.PenjualanTiket> merged = new ArrayList<tiketberenang.PenjualanTiket >(list.size());

            for (tiketberenang.PenjualanTiket p : list) {

                merged.add(entityManager.merge(p));

            }

            list.clear();

            list.addAll(merged);

        }

    }              

private void hitungButtonActionPerformed(java.awt.event.ActionEvent evt) {                                            

        // TODO add your handling code here:

        float jumlahtiket=Float.parseFloat(jumlahtiketField.getText());

        float hargatiket=Float.parseFloat(hargatiketField.getText());

        float hargatotal=jumlahtiket*hargatiket;

        hargatotalField.setText(""+hargatotal);

    }                                           

private void refreshButtonActionPerformed(java.awt.event.ActionEvent evt) {                                             

        // TODO add your handling code here:

        entityManager.getTransaction().rollback();

        entityManager.getTransaction().begin();

        java.util.Collection data = query.getResultList();

        for (Object entity : data) {

            entityManager.refresh(entity);

        }

        list.clear();

        list.addAll(data);

    }                          

    private void deleteButtonActionPerformed(java.awt.event.ActionEvent evt) {                                            

        int[] selected = masterTable.getSelectedRows();

        List< tiketberenang.PenjualanTiket > toRemove = new ArrayList< tiketberenang.PenjualanTiket >(selected.length);

        for (int idx = 0; idx < selected.length; idx++) {

            tiketberenang.PenjualanTiket t = list.get(masterTable.convertRowIndexToModel(selected[idx]));

            toRemove.add(t);

            entityManager.remove(t);

        }

        list.removeAll(toRemove);

    }