Java tutorial
import java.awt.Color; import javax.swing.JOptionPane; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.table.JTableHeader; public class Main { public static void main(String[] args) { Integer[][] data = { { 1, 2, 3 }, { 4, 5, 6 }, { 7, 8, 9 } }; String[] cols = { "A", "B", "C" }; JTable table = new JTable(data, cols); JTableHeader header = table.getTableHeader(); header.setBackground(Color.black); header.setForeground(Color.yellow); JOptionPane.showMessageDialog(null, new JScrollPane(table)); } }