Java tutorial
import java.awt.Color; import javax.swing.JTable; public class Main { public static void main(String[] argv) throws Exception { JTable table = new JTable(); table.setShowGrid(false);//Don't show any grid lines //Show only vertical grid lines table.setShowGrid(false); table.setShowVerticalLines(true); //Show only horizontal grid lines table.setShowGrid(false); table.setShowHorizontalLines(true); //Set the grid color table.setGridColor(Color.red); //Show both horizontal and vertical grid lines (the default) table.setShowGrid(true); } }