import java.awt.BorderLayout;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.AbstractTableModel;
public class MainClass extends JFrame {
public MainClass() {
super("Dynamic Data Test");
setSize(300, 200);
setDefaultCloseOperation(EXIT_ON_CLOSE);
JTable jt = new JTable(new MarketDataModel(5));
JScrollPane jsp = new JScrollPane(jt);
getContentPane().add(jsp, BorderLayout.CENTER);
}
public static void main(String args[]) {
MainClass mt = new MainClass();
mt.setVisible(true);
}
}
class MarketDataModel extends AbstractTableModel implements Runnable {
Thread runner;
public MarketDataModel(int initialDelay) {
Thread runner = new Thread(this);
runner.start();
}
double[] data = new double[]{1,2,3,4,5};
String[] headers = { "Symbol", "Price", "Change", "Last updated" };
public int getRowCount() {
return 1;
}
public int getColumnCount() {
return headers.length;
}
public String getColumnName(int c) {
return headers[c];
}
public Object getValueAt(int r, int c) {
return data[c];
}
public void updateStocks() {
for (int i = 0; i < data.length; i++) {
data[i] = Math.random();
}
}
public void run() {
while (true) {
updateStocks();
fireTableRowsUpdated(0, data.length - 1);
try {
Thread.sleep(1000);
} catch (InterruptedException ie) {
}
}
}
}