JTable Examples

# JTableSimpleExample.java Simple table that takes column names and data from arrays of Strings.

import java.awt.*;
import javax.swing.*;

/** Simple JTable example that uses a String array for the
 *  table header and table data.
 *
 */

public class JTableSimpleExample extends JFrame {
  public static void main(String[] args) {
    new JTableSimpleExample();
  }

  private final int COLUMNS = 4;
  private final int ROWS = 15;
  private JTable sampleJTable;

  public JTableSimpleExample() {
    super("Creating a Simple JTable");
    WindowUtilities.setNativeLookAndFeel();
    addWindowListener(new ExitListener());
    Container content = getContentPane();

    String[]   columnNames = buildColumnNames(COLUMNS);
    String[][] tableCells = buildTableCells(ROWS, COLUMNS);

    sampleJTable = new JTable(tableCells, columnNames);
    JScrollPane tablePane = new JScrollPane(sampleJTable);
    content.add(tablePane, BorderLayout.CENTER);
    setSize(450,150);
    setVisible(true);
  }

  private String[] buildColumnNames(int columns) {
    String[] header = new String[columns];
    for(int i=0; i