import ?java.awt.BorderLayout;
 import ?java.awt.Component;
 import ?java.awt.Dimension;
 import ?java.awt.event.WindowAdapter;
 import ?java.awt.event.WindowEvent;

 import ?javax.swing.JFrame;
 import ?javax.swing.JScrollPane;
 import ?javax.swing.JTable;
 import ?javax.swing.WindowConstants;
 import ?javax.swing.table.DefaultTableCellRenderer;
 import ?javax.swing.table.TableCellRenderer;
 import ?javax.swing.table.TableColumn;


 public ? class ?FixTableColumnWidthFrame? extends ?JFrame? {
????Object[]?columnNames_? = ? { " First?Name " ,? " MI " ,? " Last?Name " } ;

????Object[][]?names_? = ? {
???????????????????????????? {? " Lynn " ,? " M. " ,? " Seckinger " ?} ,
???????????????????????????? {? " Carol " ,? " R. " ,? " Seckinger " ?} ,
???????????????????????????? {? " Roy " ,? " D. " ,? " Martin " ?} ,
???????????????????????????? {? " Bill " ,? " O. " ,? " Veryveryveryverylonglastname " ?} ,
???????????????????????????? {? " Richard " ,? " A. " ,? " Tattersall " ?} ,
???????????????????????????? {? " Philip " ,? " B. " ,? " Edwards " ?} ,
???????????????????????????? {? " Moore " ,? " T. " ,? " Moore " ?} ,
????????????????????????????
???????????????????????????? // ?shorten?scrollbar?grip?with?these?
???????????????????????????? {? " Lynn " ,? " M. " ,? " Seckinger " ?} ,
???????????????????????????? {? " Carol " ,? " R. " ,? " Seckinger " ?} ,
???????????????????????????? {? " Roy " ,? " D. " ,? " Martin " ?} ,
???????????????????????????? {? " Bill " ,? " O. " ,? " Veryveryveryverylonglastname " ?} ,
???????????????????????????? {? " Richard " ,? " A. " ,? " Tattersall " ?} ,
???????????????????????????? {? " Philip " ,? " B. " ,? " Edwards " ?} ,
???????????????????????????? {? " Moore " ,? " T. " ,? " Moore " ?} ,
????????????????????????} ;
????JTable?table_? = ? new ?JTable(names_,?columnNames_);
???? public ?FixTableColumnWidthFrame()? {
????????TableUtilities.fixTableColumnWidth(table_);
????????JScrollPane?scroll? = ? new ?JScrollPane(table_);
 // ????????scroll.setPreferredSize(table_.getPreferredSize());
????????getContentPane().add(scroll,?BorderLayout.CENTER);
????????pack();
????}
????
???? public ? static ? void ?main(String?args[])? {
????????FixTableColumnWidthFrame?frame? = ? new ?FixTableColumnWidthFrame();
????????frame.setTitle( " Setting?Column?Widths " );
????????frame.pack();
????????frame.show();
????????frame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
????????frame.addWindowListener( new ?WindowAdapter()? {
???????????? public ? void ?windowClosed(WindowEvent?e)? {
????????????????System.exit( 0 );
????????????}
????????} );
????}
}



class ?TableUtilities? {
???? public ? static ?Dimension?fixTableColumnWidth(JTable?table)? {
???????? int ?MaxWidth? = ? 0 ;
???????? int ?width? = ? 0 ;
???????? for ?( int ?i? = ? 0 ;?i? < ?table.getColumnCount();?i ++ )? {
????????????TableColumn?col? = ?table.getColumn(table.getColumnName(i));
????????????width? = ?getPreferredWidthForColumn(table,?col);
????????????col.setMinWidth(width);
????????????col.setMaxWidth(width);
????????????MaxWidth? += ?width;
????????}
???????? // ?sizeColumnsToFit()?must?be?called?due?to?a?JTable
???????? // ?bug?
????????table.sizeColumnsToFit( 0 );
????????Dimension?tableSize? = ? new ?Dimension(MaxWidth,?table.getPreferredSize().height);
????????table.setPreferredSize(tableSize);
???????? return ?tableSize;
????}
???? public ? static ? int ?getPreferredWidthForColumn(JTable?table,?TableColumn?col)? {
???????? int ?hw? = ?columnHeaderWidth(table,?col),??? // ?hw?=?header?width
????????????cw? = ?widestCellInColumn(table,?col);?? // ?cw?=?column?width

???????? return ?hw? > ?cw? ? ?hw?:?cw;
????}
???? private ? static ? int ?columnHeaderWidth(JTable?table,?TableColumn?col)? {
????????TableCellRenderer?renderer? = ?col.getHeaderRenderer();
???????? if ?(renderer? == ? null )? {
????????????renderer? = ? new ?DefaultTableCellRenderer();
????????????((DefaultTableCellRenderer)renderer).setText(col.getHeaderValue().toString());
????????}
????????Component?comp? = ?renderer.getTableCellRendererComponent(
??????????????????????????????????????table,?col.getHeaderValue(),?
?????????????????????????????????????? false ,? false ,? 0 ,? 0 );

???????? return ?comp.getPreferredSize().width? + ? 2 ;
????}
???? private ? static ? int ?widestCellInColumn(JTable?table,?TableColumn?col)? {
???????? int ?c? = ?col.getModelIndex(),?width = 0 ,?maxw = 0 ;

???????? for ( int ?r = 0 ;?r? < ?table.getRowCount();? ++ r)? {
????????????TableCellRenderer?renderer? = ?
??????????????????????????????table.getCellRenderer(r,c);

????????????Component?comp? = ?
????????????????renderer.getTableCellRendererComponent(
??????????????????????????????????????table,?table.getValueAt(r,c),?
?????????????????????????????????????? false ,? false ,?r,?c);

????????????width? = ?comp.getPreferredSize().width? + ? 2 ;
????????????maxw? = ?width? > ?maxw? ? ?width?:?maxw;
????????}
???????? return ?maxw;
????}
}