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Thread: i'm not sure whats wrong with the code for my button could someone help me with this

  1. #1
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    Default i'm not sure whats wrong with the code for my button could someone help me with this

    import static javax.swing.JOptionPane.*;
    import java.awt.*;
    import java.awt.event.*;
    import javax.swing.event.*;
    import javax.swing.*;
    import java.text.DecimalFormat;
     
    public class ticket extends JFrame implements ActionListener {
     
    	static final double SINGLE = 1.40;
    	static final double RETURN = 2.40;
    	static final double ZONE_A = 3.80;
    	static final double ZONE_A_B = 5.50;
     
    	  DecimalFormat pounds = new DecimalFormat("£0.00");
    	String id;
    	 JTextField ticket = new JTextField(5);
    	JTextField stp = new JTextField(5);
    	int amount = 0; 
    	JTextField change = new JTextField(5);
    	JTextField paid = new JTextField(5);
    	JButton ten = new JButton("10p");
    	JButton twenty = new JButton("20p");
    	JButton fifty = new JButton("50p");
    	JButton pound = new JButton("£1");
    	JButton two = new JButton("£2");
    	JButton five = new JButton("£5");
    	JButton tenp = new JButton("£10");
    	JButton twentyp = new JButton("£20");
    	JButton cancel = new JButton("Cancel");
    	JRadioButton single = new JRadioButton("single (£1.40)",true);
    	JRadioButton Return = new JRadioButton("return (£2.40)",true);
    	JRadioButton zoneA = new JRadioButton("Zone A (£3.80)",true);
    	JRadioButton zoneAB = new JRadioButton("Zone A B (£5.50)",true);
    	ButtonGroup type =new ButtonGroup();
    	// The spinner gives values from 1 to 10.
    	// Spinners allow safe entry of a number in a range.
    	 JSpinner numtick = new JSpinner(new SpinnerNumberModel(1, 0, 10, 1));
    	 int stpno = 0;
    	 private int size = 0;
     
     
    	public static void main(String[] args)
    	{
    		new ticket();
    	}
    	public ticket()
    	{
    		  setLayout(new BorderLayout());
             setSize(700, 150);
             setTitle("Redwich Trams - Ticket Machine");
             setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
             JPanel top = new JPanel();
             top.setLayout(new FlowLayout());
             top.add(new JLabel("Ticket Type:   "));
     
    		 type.add(single);
    		 type.add(Return);
    		 type.add(zoneA);
    		 type.add(zoneAB);
    		 top.add(single);
    		 top.add(Return);
    		 top.add(zoneA);
    		 top.add(zoneAB);
    		 top.add(new JLabel("  Tickets"));
    		 top.add(numtick);
    		 single.addActionListener(this);
    		 Return.addActionListener(this);
    		 zoneA.addActionListener(this);
    		 zoneAB.addActionListener(this);
     
    		add("North", top);
    		 setVisible(true);
     
    		 JPanel middle = new JPanel();
             middle.setLayout(new FlowLayout());
    		 middle.add(new JLabel("Ticket Type:   "));
    		setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
    		 middle.add(ten);
    		 middle.add(twenty);
    		 middle.add(fifty);
    		 middle.add(pound);
    		 middle.add(two);
    		 middle.add(five);
    		 middle.add(tenp);
    		 middle.add(twentyp);
    		 middle.add(cancel);
    		 ten.addActionListener(this);
    		 twenty.addActionListener(this);
    		 fifty.addActionListener(this);
    		 pound.addActionListener(this);
    		 two.addActionListener(this);
    		 five.addActionListener(this);
    		 tenp.addActionListener(this);
    		 twentyp.addActionListener(this);
    		 cancel.addActionListener(this);
     
    		 add("Center", middle);
    		 setVisible(true);
     
    		 JPanel bottom = new JPanel();
             bottom.setLayout(new FlowLayout());
             bottom.add(new JLabel("   Ticket Cost:"));
    		 bottom.add(ticket);
             bottom.add(new JLabel("   Amount Paid:"));
             bottom.add(paid);
             bottom.add(new JLabel("   Amount Still To Pay:"));
             bottom.add(stp); 
    		 stp.setEditable(false);
    		 bottom.add(new JLabel("   Change:"));
             bottom.add(change);
    		 ticket.setEditable(false);
    		 paid.setEditable(false);
     
    		 change.setEditable(false);
             ticket.setText("£0.00");
    		 stp.setText("£0.00");
    		 change.setText("£0.00");
    		 paid.setText("£0.00");
     
    		 add("South", bottom);
    		 setVisible(true);
    	}
    		  public void actionPerformed(ActionEvent e){
    	{
    			  if (e.getSource() == ten)
    			  paid= paid + 10;
    			  amount =amount - 10;
    			  if (ticket<paid)
    			  {
    				  change=ticket-paid;
    				  }
     
    		  if (e.getSource() == twenty)
    			  paid=paid+20;
    			  amount =amount - 20;
    			  if (ticket<paid)
    			  {
    				  change=ticket-paid;
    				  }
     
    	  if (e.getSource() == fifty)
    			  paid=paid+50;
    			  amount =amount - 50;
    			  if (ticket<paid)
    			  {
    				  change=ticket-paid;
    				  }
     
    				    if (e.getSource() == pound)
    			  paid=paid+100;
    			  amount =amount - 100;
    			  if (ticket<paid)
    			  {
    				  change=ticket-paid;
    				  }
     
    				    if (e.getSource() == two)
    			  paid=paid+200;
    			  amount =amount - 200;
    			  if (ticket<paid)
    			  {
    				  change=ticket-paid;
    				  }
     
    				    if (e.getSource() == five)
    			  paid=paid+500;
    			  amount =amount - 500;
    			  if (ticket<paid)
    			  {
    				  change=ticket-paid;
    				  }
     
    		  if (e.getSource() == tenp)
    			  paid=paid+1000;
    			  amount =amount - 1000;
    			  if (ticket<paid)
    			  {
    				  change=ticket-paid;
    				  }
     
    		  if (e.getSource() == twentyp)
    			  paid=paid+2000;
    			  amount =amount - 2000;
    			  if (ticket<paid)
    			  {
    				  change=ticket-paid;
    				  }
    	}
     
    	{
    double tp = 0;
    	  int noticket = Integer.parseInt(""+numtick.getValue());
          if (single.isSelected()) tp = 1.40; 
    		{
    		  ticket.setText(pounds.format(tp));
    		  stp.setText(pounds.format(tp));
     
    			  }
     
    		if (Return.isSelected()) tp = 2.40;
    			{
     
              ticket.setText(pounds.format(tp));
    		  stp.setText(pounds.format(tp));
    			}
     
    	 if (zoneA.isSelected()) tp = 3.80;
    			  {
    			ticket.setText(pounds.format(tp));
    			stp.setText(pounds.format(tp));
    		     }
     
    		 if (zoneAB.isSelected()) tp = 5.50; 
    			  {
    			ticket.setText(pounds.format(tp));
    			stp.setText(pounds.format(tp));
    			  }
    		{
    	if (e.getSource() == cancel);
     
    	 ticket.setText("£0.00");
    	   stp.setText("£0.00");
    	  change.setText("£0.00");
    	  paid.setText("£0.00"); 
    		 }
     
            }
    		  }
     }
    i'm not sure why my button code is not working it looks fine to me but theres errors with it can someone help me out?


  2. #2
    Super Moderator Norm's Avatar
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    Default Re: i'm not sure whats wrong with the code for my button could someone help me with t

    button code is not working
    Please explain and post any error messages.

  3. #3
    Forum Squatter newbie's Avatar
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    Default Re: i'm not sure whats wrong with the code for my button could someone help me with t

    No errors you say? Hmm, my bleeding IDE says otherwise :3.
    Using '+' and '<' operators on JTextField's isn't valid syntax.
    Please use [highlight=Java]//code goes here...[/highlight] tags when posting your code

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