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Java Quellcode

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.table.*;
 
class tableExample {
	DefaultTableModel tabModel;
	JTable table;
 
	public static void main(String[] args) {
		tableExample t = new tableExample();
	}
 
	public tableExample() {
		String[] columnNames = {"Column1", "Column2", "Column3"};
 
		Object[][] data = {
				{ "A1", "A2", "A3" },
				{ "B1", "B2", "B3" },
				{ "C1", "C2", "C3" },
				{ "D1", "D2", "D3" } 
			};
 
		tabModel = new DefaultTableModel(data, columnNames);
 
		table = new JTable(tabModel);
		JScrollPane scrollPane = new JScrollPane(table);
 
		JPanel buttonPanel = new JPanel();
		JButton cmdAdd = new JButton("Neue Zeile");
		JButton cmdDelete = new JButton("Markierte Zeile löschen");
 
		buttonPanel.add(cmdAdd);
		buttonPanel.add(cmdDelete);
 
		cmdAdd.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				Object[] tmp = {"","",""};
				tabModel.addRow(tmp);
			}
		});
 
		cmdDelete.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				if (table.getSelectedRow() != -1) {
					tabModel.removeRow(table.getSelectedRow());
				}
			}
		});
 
		JPanel mainPanel = new JPanel();
		JFrame frame = new JFrame("JTable mit JModel");
		mainPanel.setLayout(new BorderLayout());
		mainPanel.add(scrollPane, "Center");
		mainPanel.add(buttonPanel, "South");
		frame.getContentPane().add(mainPanel);
		frame.pack();
		frame.setVisible(true);
	}
}