import  java.awt.*;
 import  java.awt.event.*;
 import  javax.swing.*;

 public   class  Test  extends  JFrame
{
	 private  JTable table =  new  JTable( 5 ,  5 );
	 private  JButton button =  new  JButton("Select first");

	 public  Test()
	{
		 super ("Tester");
		getContentPane().add(BorderLayout.CENTER, table);
		getContentPane().add(BorderLayout.NORTH, button);
		pack();

		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		initBehavior();
	}

	 private   void  initBehavior()
	{
		button.addActionListener(
			 new  ActionListener()
			{
				 public   void  actionPerformed(ActionEvent e)
				{
					table.setRowSelectionInterval( 0 , 0 );
					table.setColumnSelectionInterval(
						 0 ,
						table.getColumnCount() -  1 
					);
				}
			}
		);
	}

	 public   static   void  main(String[] args)
	{
		 new  Test().show();
	}
}