<p>We would like to know how to collection input field data into Jtable with the following format. Please advise.</p> <ol> <li>text field - input amount</li> <li>text year - input year</li> <li>text rate - input interest rate</li> <li>text Result - Display result into Jtable</li> </ol> <p>Jtable</p> <h1>Amount Year Rate Interest Total</h1> <p>1 1,000 5 5.0% 250.0 1,250.0 2 500 8 4.0% 160.0 660.0 3 1,500 7 3.5% 367.5 1,867.5 4 2,000 4 6.5% 520.0 2,520.0</p>
Hi Friend,
Try this:
import java.awt.*; import javax.swing.*; import java.awt.event.*; import javax.swing.table.*; public class SimpleInterestTable extends JFrame { private DefaultTableModel model; private JTable table; private JScrollPane pane; public SimpleInterestTable() { setLayout(null); final JLabel lab1=new JLabel("Amount"); final JLabel lab2=new JLabel("Year"); final JLabel lab3=new JLabel("Rate"); final JLabel result=new JLabel("Interest"); final JTextField text1=new JTextField(20); final JTextField text2=new JTextField(20); final JTextField text3=new JTextField(20); final JTextField text=new JTextField(20); JButton b=new JButton("Calculate"); model = new DefaultTableModel(); model.addColumn("Amount"); model.addColumn("Year"); model.addColumn("Rate"); model.addColumn("Interest"); model.addColumn("Total"); b.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ pane.setVisible(true); double p=Double.parseDouble(text1.getText()); double t=Double.parseDouble(text3.getText()); double r=Double.parseDouble(text2.getText())/100; double si=p*r*t; text.setText(Double.toString(si)); double tot=p+si; String[] data = {Double.toString(p),Double.toString(t),text3.getText()+"%",Double.toString(si),Double.toString(tot)}; model.addRow(data); } }); table = new JTable(model); pane=new JScrollPane(table); lab1.setBounds(10,10,100,20); text1.setBounds(120,10,100,20); lab2.setBounds(10,40,100,20); text2.setBounds(120,40,100,20); lab3.setBounds(10,70,100,20); text3.setBounds(120,70,100,20); result.setBounds(10,100,100,20); text.setBounds(120,100,100,20); b.setBounds(120,130,100,20); pane.setBounds(10,160,450,100); add(lab1); add(text1); add(lab2); add(text2); add(lab3); add(text3); add(result); add(text); add(pane); add(b); pane.setVisible(false); setVisible(true); setSize(500,300); } public static void main(String args[]) { new SimpleInterestTable(); } }
Thanks
Please advise in the GUI as the following information. - display the value in the JTable.
If in the GUI as per view of ![alt text][1]
[1]: https://docs.google.com/leaf?id=0B3b1RiEgJA39OGE1NzFmNjktNTcxNi00OTc1LThiOWYtNTZkM2MzNjYxZWJj&hl=en, and the created code as the following...
Program Name : BankLoadView.java
/* * BankLoanView.java */
package bankloan;
import java.awt.Color; import org.jdesktop.application.Action; import org.jdesktop.application.ResourceMap; import org.jdesktop.application.SingleFrameApplication; import org.jdesktop.application.FrameView; import org.jdesktop.application.TaskMonitor; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.Timer; import javax.swing.Icon; import javax.swing.JDialog; import javax.swing.JFrame; import javax.swing.JTable;
/** * The application's main frame. */ public class BankLoanView extends FrameView {
public BankLoanView(SingleFrameApplication app) { super(app);
initComponents(); // status bar initialization - message timeout, idle icon and busy animation, etc ResourceMap resourceMap = getResourceMap(); int messageTimeout = resourceMap.getInteger("StatusBar.messageTimeout"); messageTimer = new Timer(messageTimeout, new ActionListener() { public void actionPerformed(ActionEvent e) { statusMessageLabel.setText(""); } }); messageTimer.setRepeats(false); int busyAnimationRate = resourceMap.getInteger("StatusBar.busyAnimationRate"); for (int i = 0; i < busyIcons.length; i++) { busyIcons[i] = resourceMap.getIcon("StatusBar.busyIcons[" + i + "]"); } busyIconTimer = new Timer(busyAnimationRate, new ActionListener() { public void actionPerformed(ActionEvent e) { busyIconIndex = (busyIconIndex + 1) % busyIcons.length; statusAnimationLabel.setIcon(busyIcons[busyIconIndex]); } }); idleIcon = resourceMap.getIcon("StatusBar.idleIcon"); statusAnimationLabel.setIcon(idleIcon); progressBar.setVisible(false); // connecting action tasks to status bar via TaskMonitor TaskMonitor taskMonitor = new TaskMonitor(getApplication().getContext()); taskMonitor.addPropertyChangeListener(new java.beans.PropertyChangeListener() { public void propertyChange(java.beans.PropertyChangeEvent evt) { String propertyName = evt.getPropertyName(); if ("started".equals(propertyName)) { if (!busyIconTimer.isRunning()) { statusAnimationLabel.setIcon(busyIcons[0]); busyIconIndex = 0; busyIconTimer.start(); } progressBar.setVisible(true); progressBar.setIndeterminate(true); } else if ("done".equals(propertyName)) { busyIconTimer.stop(); statusAnimationLabel.setIcon(idleIcon); progressBar.setVisible(false); progressBar.setValue(0); } else if ("message".equals(propertyName)) { String text = (String)(evt.getNewValue()); statusMessageLabel.setText((text == null) ? "" : text); messageTimer.restart(); } else if ("progress".equals(propertyName)) { int value = (Integer)(evt.getNewValue()); progressBar.setVisible(true); progressBar.setIndeterminate(false); progressBar.setValue(value); } } }); } @Action public void showAboutBox() { if (aboutBox == null) { JFrame mainFrame = BankLoanApp.getApplication().getMainFrame(); aboutBox = new BankLoanAboutBox(mainFrame); aboutBox.setLocationRelativeTo(mainFrame); } BankLoanApp.getApplication().show(aboutBox); } /** 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"> private void initComponents() { mainPanel = new javax.swing.JPanel(); jLabel1 = new javax.swing.JLabel(); jLabel2 = new javax.swing.JLabel(); jLabel3 = new javax.swing.JLabel(); jLabel4 = new javax.swing.JLabel(); txtAmount = new javax.swing.JTextField(); txtYears = new javax.swing.JTextField(); txtInterest = new javax.swing.JTextField(); btnDisplay = new javax.swing.JButton(); jScrollPane1 = new javax.swing.JScrollPane(); javax.swing.JTable jTable = new javax.swing.JTable(); txtResult = new java.awt.TextArea(); menuBar = new javax.swing.JMenuBar(); javax.swing.JMenu fileMenu = new javax.swing.JMenu(); javax.swing.JMenuItem exitMenuItem = new javax.swing.JMenuItem(); javax.swing.JMenu helpMenu = new javax.swing.JMenu(); javax.swing.JMenuItem aboutMenuItem = new javax.swing.JMenuItem(); statusPanel = new javax.swing.JPanel(); javax.swing.JSeparator statusPanelSeparator = new javax.swing.JSeparator(); statusMessageLabel = new javax.swing.JLabel(); statusAnimationLabel = new javax.swing.JLabel(); progressBar = new javax.swing.JProgressBar(); mainPanel.setName("mainPanel"); // NOI18N org.jdesktop.application.ResourceMap resourceMap = org.jdesktop.application.Application.getInstance(bankloan.BankLoanApp.class).getContext().getResourceMap(BankLoanView.class); jLabel1.setFont(resourceMap.getFont("txtYears.font")); // NOI18N jLabel1.setText(resourceMap.getString("jLabel1.text")); // NOI18N jLabel1.setName("jLabel1"); // NOI18N jLabel2.setFont(resourceMap.getFont("lblAmt.font")); // NOI18N jLabel2.setText(resourceMap.getString("lblAmt.text")); // NOI18N jLabel2.setName("lblAmt"); // NOI18N jLabel3.setFont(resourceMap.getFont("txtYears.font")); // NOI18N jLabel3.setText(resourceMap.getString("lblYears.text")); // NOI18N jLabel3.setName("lblYears"); // NOI18N jLabel4.setFont(resourceMap.getFont("txtYears.font")); // NOI18N jLabel4.setText(resourceMap.getString("lblRate.text")); // NOI18N jLabel4.setName("lblRate"); // NOI18N txtAmount.setFont(resourceMap.getFont("txtYears.font")); // NOI18N txtAmount.setText(resourceMap.getString("txtAmt.text")); // NOI18N txtAmount.setName("txtAmt"); // NOI18N txtYears.setFont(resourceMap.getFont("txtYears.font")); // NOI18N txtYears.setText(resourceMap.getString("txtYears.text")); // NOI18N txtYears.setName("txtYears"); // NOI18N txtInterest.setFont(resourceMap.getFont("txtYears.font")); // NOI18N txtInterest.setText(resourceMap.getString("txtInterest.text")); // NOI18N txtInterest.setName("txtInterest"); // NOI18N btnDisplay.setFont(resourceMap.getFont("txtYears.font")); // NOI18N btnDisplay.setText(resourceMap.getString("btnDisplay.text")); // NOI18N btnDisplay.setName("btnDisplay"); // NOI18N btnDisplay.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnDisplayActionPerformed(evt); } }); jScrollPane1.setName("jScrollPane1"); // NOI18N jTable.setFont(resourceMap.getFont("jTable.font")); // NOI18N jTable.setModel(new javax.swing.table.DefaultTableModel( new Object [][] { {null, null, null, null}, {null, null, null, null}, {null, null, null, null}, {null, null, null, null}, {null, null, null, null}, {null, null, null, null}, {null, null, null, null} }, new String [] { "Payment#", "Interest", "Principal", "Balance" } ) { Class[] types = new Class [] { java.lang.Object.class, java.lang.Float.class, java.lang.Float.class, java.lang.Double.class }; public Class getColumnClass(int columnIndex) { return types [columnIndex]; } }); jTable.setName("jTable"); // NOI18N jScrollPane1.setViewportView(jTable); jTable.getColumnModel().getColumn(0).setHeaderValue(resourceMap.getString("jTable.columnModel.title0")); // NOI18N jTable.getColumnModel().getColumn(1).setHeaderValue(resourceMap.getString("jTable.columnModel.title1")); // NOI18N jTable.getColumnModel().getColumn(2).setHeaderValue(resourceMap.getString("jTable.columnModel.title2")); // NOI18N jTable.getColumnModel().getColumn(3).setHeaderValue(resourceMap.getString("jTable.columnModel.title3")); // NOI18N txtResult.setCursor(new java.awt.Cursor(java.awt.Cursor.TEXT_CURSOR)); txtResult.setName("txtResult"); // NOI18N javax.swing.GroupLayout mainPanelLayout = new javax.swing.GroupLayout(mainPanel); mainPanel.setLayout(mainPanelLayout); mainPanelLayout.setHorizontalGroup( mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(mainPanelLayout.createSequentialGroup() .addGap(18, 18, 18) .addGroup(mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(jLabel1) .addGroup(mainPanelLayout.createSequentialGroup() .addGroup(mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(jLabel4) .addComponent(jLabel2) .addComponent(jLabel3)) .addGap(13, 13, 13) .addGroup(mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING) .addComponent(txtInterest, javax.swing.GroupLayout.DEFAULT_SIZE, 221, Short.MAX_VALUE) .addComponent(txtYears, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 221, Short.MAX_VALUE) .addComponent(txtAmount, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 221, Short.MAX_VALUE)))) .addGap(28, 28, 28) .addComponent(txtResult, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(btnDisplay) .addGap(27, 27, 27)) .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 687, Short.MAX_VALUE) ); mainPanelLayout.setVerticalGroup( mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(mainPanelLayout.createSequentialGroup() .addGroup(mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false) .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, mainPanelLayout.createSequentialGroup() .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addComponent(btnDisplay) .addGap(48, 48, 48)) .addGroup(mainPanelLayout.createSequentialGroup() .addContainerGap() .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 15, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED) .addGroup(mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(txtAmount, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addGroup(mainPanelLayout.createSequentialGroup() .addGap(4, 4, 4) .addComponent(jLabel2) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED) .addGroup(mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jLabel3) .addComponent(txtYears, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addGroup(mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jLabel4) .addComponent(txtInterest, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))) .addGap(10, 10, 10)) .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, mainPanelLayout.createSequentialGroup() .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addComponent(txtResult, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(19, 19, 19))) .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 124, javax.swing.GroupLayout.PREFERRED_SIZE) .addContainerGap(312, Short.MAX_VALUE)) ); menuBar.setName("menuBar"); // NOI18N fileMenu.setText(resourceMap.getString("fileMenu.text")); // NOI18N fileMenu.setName("fileMenu"); // NOI18N javax.swing.ActionMap actionMap = org.jdesktop.application.Application.getInstance(bankloan.BankLoanApp.class).getContext().getActionMap(BankLoanView.class, this); exitMenuItem.setAction(actionMap.get("quit")); // NOI18N exitMenuItem.setName("exitMenuItem"); // NOI18N fileMenu.add(exitMenuItem); menuBar.add(fileMenu); helpMenu.setText(resourceMap.getString("helpMenu.text")); // NOI18N helpMenu.setName("helpMenu"); // NOI18N aboutMenuItem.setAction(actionMap.get("showAboutBox")); // NOI18N aboutMenuItem.setName("aboutMenuItem"); // NOI18N helpMenu.add(aboutMenuItem); menuBar.add(helpMenu); statusPanel.setName("statusPanel"); // NOI18N statusPanelSeparator.setName("statusPanelSeparator"); // NOI18N statusMessageLabel.setName("statusMessageLabel"); // NOI18N statusAnimationLabel.setHorizontalAlignment(javax.swing.SwingConstants.LEFT); statusAnimationLabel.setName("statusAnimationLabel"); // NOI18N progressBar.setName("progressBar"); // NOI18N javax.swing.GroupLayout statusPanelLayout = new javax.swing.GroupLayout(statusPanel); statusPanel.setLayout(statusPanelLayout); statusPanelLayout.setHorizontalGroup( statusPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(statusPanelSeparator, javax.swing.GroupLayout.DEFAULT_SIZE, 687, Short.MAX_VALUE) .addGroup(statusPanelLayout.createSequentialGroup() .addContainerGap() .addComponent(statusMessageLabel) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 517, Short.MAX_VALUE) .addComponent(progressBar, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(statusAnimationLabel) .addContainerGap()) ); statusPanelLayout.setVerticalGroup( statusPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(statusPanelLayout.createSequentialGroup() .addComponent(statusPanelSeparator, javax.swing.GroupLayout.PREFERRED_SIZE, 2, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addGroup(statusPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(statusMessageLabel) .addComponent(statusAnimationLabel) .addComponent(progressBar, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)) .addGap(3, 3, 3)) ); setComponent(mainPanel); setMenuBar(menuBar); setStatusBar(statusPanel); }// </editor-fold> private void btnDisplayActionPerformed(java.awt.event.ActionEvent evt) { float amount = Float.parseFloat(txtAmount.getText()); int year = Integer.parseInt(txtYears.getText()); float interest = Float.parseFloat(txtInterest.getText()); BankAccount bk = new BankAccount(amount, year, interest); String a = " "; for (int i = 0; i < year; i++) { bk.Calculate(amount, i, interest); txtResult.append(String.valueOf(bk.getBalance()+"\n")); //String.valueOf() changes double value into a string } // txtResult.setText(null); } // Variables declaration - do not modify private javax.swing.JButton btnDisplay; private javax.swing.JLabel jLabel1; private javax.swing.JLabel jLabel2; private javax.swing.JLabel jLabel3; private javax.swing.JLabel jLabel4; private javax.swing.JScrollPane jScrollPane1; private javax.swing.JPanel mainPanel; private javax.swing.JMenuBar menuBar; private javax.swing.JProgressBar progressBar; private javax.swing.JLabel statusAnimationLabel; private javax.swing.JLabel statusMessageLabel; private javax.swing.JPanel statusPanel; private javax.swing.JTextField txtAmount; private javax.swing.JTextField txtInterest; private java.awt.TextArea txtResult; private javax.swing.JTextField txtYears; // End of variables declaration private final Timer messageTimer; private final Timer busyIconTimer; private final Icon idleIcon; private final Icon[] busyIcons = new Icon[15]; private int busyIconIndex = 0; private JDialog aboutBox;
}
public class BankAccount { private float amount; private int year; private float interest; private double balance; public BankAccount() {} public BankAccount(float Amt, int yr, float interest) { float Amount = Amt; int Year = yr; float Interest = interest; } public void Calculate (float Amt, int yr, float interest ) { float in = 1 + interest / 100; balance = Amt*( Math.pow(in, yr)); } public double getBalance() { return balance; }
}
*End of Code
The GUI View print screen as the following link...
https://docs.google.com/leaf?id=0B3b1RiEgJA39OGE1NzFmNjktNTcxNi00OTc1LThiOWYtNTZkM2MzNjYxZWJj&sort=name&layout=list&num=50
Please advise....