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import java.awt.BorderLayout;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
public class MainClass {
public static void main(String args[]) {
String rows[][] = { { "A", "a" }, { "B", "b" }, { "E", "e" } };
String headers[] = { "Upper", "Lower" };
final int modeKey[] = { JTable.AUTO_RESIZE_ALL_COLUMNS, JTable.AUTO_RESIZE_LAST_COLUMN,
JTable.AUTO_RESIZE_NEXT_COLUMN, JTable.AUTO_RESIZE_OFF,
JTable.AUTO_RESIZE_SUBSEQUENT_COLUMNS };
final JTable table = new JTable(rows, headers);
JScrollPane scrollPane = new JScrollPane(table);
String modes[] = { "Resize All Columns", "Resize Last Column", "Resize Next Column",
"Resize Off", "Resize Subsequent Columns" };
final JComboBox resizeModeComboBox = new JComboBox(modes);
int defaultMode = 4;
table.setAutoResizeMode(modeKey[defaultMode]);
resizeModeComboBox.setSelectedIndex(defaultMode);
ItemListener itemListener = new ItemListener() {
public void itemStateChanged(ItemEvent e) {
int index = resizeModeComboBox.getSelectedIndex();
table.setAutoResizeMode(modeKey[index]);
}
};
resizeModeComboBox.addItemListener(itemListener);
JFrame frame = new JFrame("Resizing Table");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.add(resizeModeComboBox, BorderLayout.NORTH);
frame.add(scrollPane, BorderLayout.CENTER);
frame.setSize(300, 150);
frame.setVisible(true);
}
}
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