JTable values are not gettiing properly

Sir, I created one JTable with two columns and one row i have given two values,but i getting only one value .That is a[1][1] is String array. if i have given 8,9 then i got 8 only but not 9.i.e a[0][0]=8 a[0][1]= (nothing printed) Please go through my code

import java.util.*; import java.awt.*;

import javax.swing.*; import javax.swing.event.*; import java.awt.event.*; import java.awt.print.*; import java.sql.*; public class sd25 extends JFrame implements ActionListener { //3 month table details JTable table=null; JScrollPane js=null; Container cp=null; JPanel p=null; JLabel months3=null,date=null,ghba1c=null,per=null; JButton jb1=null; String a[][]=new String[2][2]; Connection con=null; Statement stmt=null; ResultSet rs=null; public sd25()throws Exception { cp=getContentPane(); cp.setLayout(null); cp.setBackground(Color.pink);

//3monts details months3=new JLabel("3 Months-Report"); date=new JLabel("Date"); ghba1c=new JLabel("GHbA1c"); per=new JLabel("%");

//3 monts details

final Object colheads[]={"Date","%"}; final Object rowdata[][]={{"",""},{"",""}}; table=new JTable(rowdata,colheads); p=new JPanel(null); months3.setBounds(40,10,300,40); date.setBounds(190,20,300,40); ghba1c.setBounds(400,20,300,40); per.setBounds(470,20,300,40); table.setBounds(100,50,460,15); jb1=new JButton("submit"); jb1.setBounds(790,400,100,40); int h=ScrollPaneConstants.HORIZONTALSCROLLBARAS_NEEDED; int v=ScrollPaneConstants.VERTICALSCROLLBARAS_NEEDED;

jb1.addActionListener(this); cp.add(per); cp.add(ghba1c); cp.add(date); cp.add(months3); cp.add(table); cp.add(jb1);

addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent we)
{ dispose(); //System.exit(0); } }); } public void actionPerformed(ActionEvent ae) { System.out.println("hi"); if(ae.getSource()==jb1) { try { for(int i=0;i<1;i++) { for(int j=0;j<=1;j++) {

a[i][j]=(String)table.getModel().getValueAt(i,j); } }

for(int i=0;i<1;i++) { for(int j=0;j<=1;j++) { System.out.println("\n"+i+""+j+""+a[i][j]); } }

cp.setBackground(Color.red);

    }catch(Exception e)

{ e.printStackTrace(); }
} } public static void main(String args[])throws Exception { sd25 o=new sd25(); o.setSize(900,900); o.show();

} }