import java.awt.BorderLayout;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.TableColumn;
public class ResizeColumnWidth {
public static void main(String args[]) {
final Object rowData[][] = {
{ "1", "one", "I" },
{ "2", "two", "II" },
{ "3", "three", "III" }};
final String columnNames[] = { "#", "English", "Roman" };
final JTable table = new JTable(rowData, columnNames);
JScrollPane scrollPane = new JScrollPane(table);
JFrame frame = new JFrame("Resizing Table");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.add(scrollPane, BorderLayout.CENTER);
TableColumn column = null;
for (int i = 0; i < 3; i++) {
column = table.getColumnModel().getColumn(i);
if (i == 2) {
column.setPreferredWidth(100); //sport column is bigger
} else {
column.setPreferredWidth(50);
}
}
frame.setSize(300, 150);
frame.setVisible(true);
}
}
