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JPopupMenu Java Tạo menu hiển thị trên Table với Java swing gui Eclipse

table.addMouseListener (new MouseAdapter () {
 
 @Override
 public void mouseReleased (MouseEvent e) {
 int r = table.rowAtPoint (e.getPoint ());
 if (r> = 0 && r <table.getRowCount ()) {
 table.setRowSelectionInterval (r, r);
 } Else {
 table.clearSelection ();
 }
 // Row index is found ...
 int rowIndex = table.getSelectedRow ();
 if (rowIndex <0)
 return;
 if (e.isPopupTrigger () && e.getComponent () instanceof JTable) {
 JPopupMenu popup = createPopUp (rowIndex, table);
 popup.show (e.getComponent (), e.getX (), e.getY ());
 }
 }
});

// JPopupMenu
  public JPopupMenu createPopUp (int rowIndex, JTable table) {
 JPopupMenu JPopupMenu popup = new ();
 JMenuItem delete = new JMenuItem ( "Delete");
 JMenuItem exit = new JMenuItem ( "Exit");
 delete.addActionListener (new ActionListener () {
 @Override
 public void actionPerformed (ActionEvent e) {
 JOptionPane.showMessageDialog (null, "Delete successfuly!");
 }
 });
 exit.addActionListener (new ActionListener () {
 @Override
 public void actionPerformed (ActionEvent e) { 
 JOptionPane.showMessageDialog (null, "Exit");
 }
 });
 popup.add (delete);
 popup.add (exit);
 return popup;
}

Available link for download

Là m biểu đồ tròn bằng code java PiePlot3D PieChart 3D Java Eclipse Swing Gui Application JavaFX JFreeChart

package program_from;

import java.awt.Color;
import java.awt.EventQueue;
import java.awt.SystemColor;

import javax.swing.JFrame;
import javax.swing.JPanel;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.PiePlot3D;
import org.jfree.data.general.DefaultPieDataset;

public class demo {

 private JFrame frame;

 private DefaultPieDataset dataset = new DefaultPieDataset();
 // Create a set of charts
 private JFreeChart jfreeChart;
 // Create a set of panels that can show charts
 private ChartPanel chartPanel;
 // Create a panel container
 private JPanel panel;
 /**
 * Launch the application.
 */
 public static void main(String[] args) {
 EventQueue.invokeLater(new Runnable() {
 public void run() {
 try {
 demo window = new demo();
 window.frame.setVisible(true);
 } catch (Exception e) {
 e.printStackTrace();
 }
 }
 });
 }

 /**
 * Create the application.
 */
 public demo() {
 initialize();
 }

 /**
 * Initialize the contents of the frame.
 */
 private void initialize() {
 frame = new JFrame();
 frame.setBounds(100, 100, 513, 362); //set size frame
 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 
 //Set gia tr cho PieChart
 dataset.setValue("Yeu", 20);
 dataset.setValue("Trung Binh", 50);
 dataset.setValue("Kha", 40);
 dataset.setValue("Gioi", 20);

 jfreeChart = ChartFactory.createPieChart3D("PieChart 7-2016", dataset, true, true, false );
 PiePlot3D plot = (PiePlot3D) jfreeChart.getPlot();
 plot.setForegroundAlpha(0.6f);
 plot.setSectionPaint("Không ??t ", new Color(255, 0, 0)); //Set color cho PieChart
 plot.setSectionPaint("??t", new Color(0, 255, 0)); //Set color cho PieChart
 plot.setBackgroundPaint(new Color(255,255,255)); //Set background cho PieChart
 
 //panel Container chartPanel
 panel = new JPanel();
 panel.setBackground(new Color(255, 255, 255));
 frame.getContentPane().add(panel);
 panel.setLayout(null);

 // add chartPanel PieChart vao panel
 chartPanel = new ChartPanel(jfreeChart);
 chartPanel.setBounds(29, 36, 442, 232); //set size PieChart
 panel.add(chartPanel);
 chartPanel.setMouseWheelEnabled(true);
 chartPanel.setZoomAroundAnchor(true);
 chartPanel.setBackground(SystemColor.menu);
 }

}

Available link for download