well guys, i wanted to try somethng fun in java, so i made a simple form type navigation program.. i can compile this file, bt i cant run it..NOTE: i have no issues in my java software..
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
import java.util.regex.*;
public class Nav2 extends JFrame implements ActionListener
{
JTextField t1,t2,t3,t4;//Source,Destination,Day or night time
JLabel l1,l2,l3,l4,l5,sl,dl,l6;//Enter source,Enter Destination,When do u want to travel,Mode of transport
JRadioButton rb1,rb2,rb3,rb4,rb5,rb6;//Train,Bus,Auto,Taxi
JButton b1,b2,b3;//Time or Money
JPanel p1,p2,p3,panel;
ButtonGroup rbg,rbng;
public Nav2()
{
Container con= getContentPane();
con.setLayout(new FlowLayout());
l1=new JLabel("Enter Source:");
l2=new JLabel("Enter Destination:");
l3=new JLabel("When do you like to travel:");
l6=new JLabel("Mode of Transport:");
sl=new JLabel("Invalid Entry!! Enter proper source (eg: Khar station)");
dl=new JLabel("Invalid Entry!! Enter proper destination (eg: Bandra station)");
p1=new JPanel();
t1=new JTextField(30);
t2=new JTextField(30);
t3=new JTextField(30);
rbg=new ButtonGroup();
rb1=new JRadioButton("Day",false);
rb2=new JRadioButton("Night",false);
rbng=new ButtonGroup();
rb3=new JRadioButton("Train",false);
rb4=new JRadioButton("Bus",false);
rb5=new JRadioButton("Auto",false);
rb6=new JRadioButton("Taxi",false);
b1=new JButton("Time");
b2=new JButton("Money");
b3=new JButton("Clear");
con.add(l1);
con.add(t1);
con.add(sl);
con.add(l2);
con.add(t2);
con.add(dl);
con.add(l3);
rbg.add(rb1);
rbg.add(rb2);
con.add(rb1);
con.add(rb2);
p1.add(l4);
p1.setVisible(false);
con.add(p1);
rbng.add(rb3);
rbng.add(rb4);
rbng.add(rb5);
rbng.add(rb6);
con.add(l6);
con.add(rb3);
con.add(rb4);
con.add(rb5);
con.add(rb6);
con.add(b1);
con.add(b2);
con.add(b3);
rb1.addActionListener(this);
rb2.addActionListener(this);
rb3.addActionListener(this);
rb4.addActionListener(this);
rb5.addActionListener(this);
rb6.addActionListener(this);
b3.addActionListener(this);
sl.setVisible(false);
dl.setVisible(false);
t1.addKeyListener(new KeyAdapter()
{
public void keyTyped(KeyEvent e)
{
String input=t1.getText();
Pattern p = Pattern.compile("[0-9,&%$#@!()*^`]");
Matcher m = p.matcher(input);
if (m.find())
{
sl.setVisible(true);
sl.setForeground(Color.RED);
}
else
{
sl.setVisible(false);
}
}
});
setVisible(true);
t2.addKeyListener(new KeyAdapter()
{
public void keyTyped(KeyEvent e)
{
String input=t2.getText();
Pattern p = Pattern.compile("[0-9,&%$#@!()*^`]");
Matcher m = p.matcher(input);
if (m.find())
{
dl.setVisible(true);
dl.setForeground(Color.RED);
}
else
{
dl.setVisible(false);
}
}
});
setVisible(true);
}
public void actionPerformed(ActionEvent ae)
{
if(ae.getSource()==rb1)
{
rb1.setText("Day");
}
if(ae.getSource()==rb2)
{
rb2.setText("Night");
}
if(ae.getSource()==rb3)
{
rb3.setText("Train");
}
if(ae.getSource()==rb4)
{
rb4.setText("Bus");
}
if(ae.getSource()==rb5)
{
rb5.setText("Auto");
}
if(ae.getSource()==rb6)
{
rb6.setText("Taxi");
}
if(ae.getSource()==b3)
{
t1.setText("");
t2.setText("");
sl.setVisible(false);
dl.setVisible(false);
rbg.clearSelection();
rbng.clearSelection();
}
}
public static void main(String args[])
{
Nav2 en= new Nav2();
en.setVisible(true);
en.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
en.setSize(345,250);
}
}
