import java.util.Arrays;
import java.util.Vector;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
public class Main {
public static void main(String[] argv) {
Vector rowData = new Vector();
for (int i = 0; i < 1; i++) {
Vector colData = new Vector(Arrays.asList("qq"));
rowData.add(colData);
}
String[] columnNames = {"a"};
Vector columnNamesV = new Vector(Arrays.asList(columnNames));
JTable table = new JTable(rowData, columnNamesV);
JFrame f = new JFrame();
f.setSize(300, 300);
f.add(new JScrollPane(table));
f.setVisible(true);
}
}