I want to display a text when button pressed

Question

Hi guys
I want to display a text when a button is pressed , but the compiler says cannot resolve variable text ,can you please help me
here is my program
import  java.awt.Color .*;   import java.awt .*; import java.awt.event.*; import java.awt.event.*;   import javax.swing.*; import javax.swing.JTable.*;   public class sannaa extends JFrame implements  ActionListener {[code] public sannaa( )  {
super("����� ������" ); setLayout(new FlowLayout()); TextField text = new TextField(20); JButton ok=new JButton( "return"   ); add(text); ok.addActionListener(this);  
Container   contentPane  =  getContentPane(    ); 
JLabel hellolabel=new JLabel("google"); hellolabel.setForeground(Color.black); hellolabel.setBackground(Color.blue);   String[ ] columnNames =
{"First Name",   "Last Name", "Sport",
                         "# of Years",
                         "Vegetarian"};
                        Object [    ][     ] data =
{"Mary", "Campione", "Snowboarding", new Integer(5), new Boolean(false)},
{"Alison", "Huml", "Rowing", new Integer(3), new Boolean(true)},
{"Kathy", "Walrath", "Knitting", new Integer(2), new Boolean (false)},
{"Sharon", "Zakhour", "Speed reading", new Integer(20), new Boolean(true)},
{"Philip", "Milne", "Pool", new Integer(10), new Boolean(false)} };
JTable table = new JTable(data, columnNames); JButton enter=new JButton( "search"   ); ok.setBackground(Color.pink); ok.setForeground(Color.white); JFrame frame=new JFrame("EL  "); enter.setMaximumSize(new Dimension(900,
                                       100)); enter.setForeground(Color.blue); contentPane.setBackground( Color.white); for(int i=0;i<10;i++) {[code]JButton rami=new JButton( ""+ "" +i );
contentPane.add(rami);
rami.setBackground(Color.blue); }
contentPane.add(ok);
JPanel panel=new JPanel(new BorderLayout(500,500) ); contentPane.setLayout(new FlowLayout( )); contentPane.add(panel); panel.add(enter,  BorderLayout.PAGE_START); panel.add(table, BorderLayout.PAGE_START); panel.add(hellolabel,  BorderLayout.PAGE_START); panel.setBackground( Color.white ); panel.setLayout(new BorderLayout()); panel.add(table.getTableHeader(),BorderLayout.PAGE_START )  panel.add(table, BorderLayout.CENTER); panel.add(hellolabel,BorderLayout.PAGE_END);   setVisible(true); }
public void actionPerformed(ActionEvent   e  ) {  [code] text.setText("Button Clicked ");
public static void main (String [] args) {[code] sannaa van=new sannaa( );
} }  

Answer 1

Thanks
I have changed my program to the following and its compiled truely, but when I press thte button in the application no text appeared?
help me please
import  java.awt.Color .*;   import java.awt .*; import java.awt.event.*; import java.awt.event.*;   import javax.swing.*; import javax.swing.JTable.*;    public class sannaa extends JFrame implements  ActionListener { 
public sannaa(   ) {
super("����� ������" ); JButton ok=new JButton( "return"   );
ok.addActionListener(this);  
Container   contentPane  =  getContentPane(
JLabel hellolabel=new JLabel("google");
hellolabel.setForeground(Color.black); hellolabel.setBackground(Color.blue);
    String[ ] columnNames =
{"First Name",   "Last Name", "Sport",
                         "# of Years",
  "Vegetarian"};
                        Object [    ][     ] data =
{"Mary", "Campione", "Snowboarding", new Integer(5),
new Boolean(false)},
{"Alison", "Huml", "Rowing", new Integer(3), new
Boolean(true)},
{"Kathy", "Walrath", "Knitting", new Integer(2),
new Boolean (false)},
"Sharon", "Zakhour", "Speed reading", new
Integer(20), new Boolean(true)},
{"Philip", "Milne", "Pool", new Integer(10),
new Boolean(false)} };
JTable table = new JTable(data,
  columnNames); JButton enter=new JButton( "search"
     ); ok.setBackground(Color.pink); ok.setForeground(Color.white); JFrame frame=new JFrame("EL  "); enter.setMaximumSize(new Dimension(900,
  100));
enter.setForeground(Color.blue); contentPane.setBackground( Color.white);
for(int i=0;i<10;i++) {  [code]JButton rami=new JButton( ""+ "" +i );
contentPane.add(rami);
rami.setBackground(Color.blue); }
contentPane.add(ok);
JPanel panel=new JPanel(new
  BorderLayout(500,500) ); contentPane.setLayout(new FlowLayout(
  )); contentPane.add(panel); panel.add(enter,  BorderLayout.PAGE_START);
  panel.add(table,
  BorderLayout.PAGE_START); panel.add(hellolabel,
   BorderLayout.PAGE_START); panel.setBackground( Color.white ); panel.setLayout(new BorderLayout());   panel.add(table.getTableHeader(),BorderLayout.PAGE_START ) ;
   panel.add(table, BorderLayout.CENTER);
panel.add(hellolabel,BorderLayout.PAGE_END);
   setVisible(true); }
public void actionPerformed(ActionEvent   e  )
  {  [code] TextField text=new TextField ("") ;
text.setText("Button Clicked     ");     }
public static void main (String [] args)
sannaa van=new sannaa( ); } }