import javax.swing.

*

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import javax.swing.*;

import java.awt.*;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

//LIBRARY

public class Finals { public static void

main(String[]args)

{

JFrame.setDefaultLookAndFeelDecorated(t

rue); //DESIGN FRAME

JFrame vp=new JFrame("VAPE SHOP"); //

CREATING FRAME

vp.setDefaultCloseOperation(JFrame.EXIT_

ON_CLOSE);// EXIT PROGRAMM

vp.setVisible(true);

//CREATING PANEL

JPanel panel=new JPanel();

panel.setBorder(BorderFactory.createTitled

Border("SELECT BRAND"));

JPanel panel2=new JPanel();

panel2.setBorder(BorderFactory.createTitle

dBorder("ITEMS"));

JPanel panel3=new JPanel();

panel3.setBorder(BorderFactory.createTitle

dBorder("TRANSACTION"));

//CREATING JFIELD

JTextField budget=new JTextField();

budget.setBounds(200, 200, 50, 5);

JTextField price=new JTextField();

price.setBounds(250, 250, 50, 5);

JTextField total=new JTextField();

total.setBounds(300, 250, 50, 5);

total.setEditable(false);

// ADD PANEL

panel3.add(budget);

panel3.add(price);

panel3.add(total);

//CREATING JLABEL

JLabel label=new JLabel();

label.setHorizontalTextPosition(JLabel.CEN

TER);

label.setBounds(40,50,100,400);

//CREATING JBUTTON

JButton geekvape=new

JButton("GEEKVAPE");

JButton voopoo=new

JButton("VOOOPOO");

JButton oxva=new JButton("OXVA");

//SET SIZE BUTTONS

geekvape.setBounds(20,50,90,20);

voopoo.setBounds(20,50,90,20);

oxva.setBounds(20,50,90,20);

vp.setSize(400,400);

vp.setLayout(new GridLayout(3,1));

panel.add(geekvape);

panel.add(voopoo);

panel.add(oxva);

//ADDING PANEL TO FRAME

vp.add(panel);

vp.add(panel2);

vp.add(panel3);

//FUNCTION OF BUTTONS

voopoo.addActionListener(new

ActionListener() {

@Override

public void

actionPerformed(ActionEvent e)

{

JButton enter=new JButton("TOTAL");

enter.setBounds(20,50,90,20);

panel3.add(enter);

String oppo1[]={ "GEEKVAPE 1500

PESOS"

,

"VOOOPOO 1350 PESOS"

,

"OXVA

1400 PESOS"};

JComboBox box1=new

JComboBox(voopoo1);

panel2.add(box1);

JButton select=new JButton("select");

select.setBounds(20,50,90 ,20);

panel2.add(select);

select.addActionListener(new

ActionListener()

{

@Override

public void

actionPerformed(ActionEvent e)

{

String choice=

"You selected: "+

box1.getItemAt(box1.getSelectedIndex());

label.setText(choice);

panel2.add(label);

String textfield1 =

budget.getText();

String textfield2 = total.getText();

String textfield3 = price.getText();

int a = Integer.parseInt(textfield1);

int b = Integer.parseInt(textfield2);

int price1 =

Integer.parseInt(textfield3);

int c = 0;

int z = 0;

if(e.getSource() == enter)

{

if(a > price1)

{

JOptionPane.showMessageDialog(null,

"Insufficient Money!!!");

}

else

{

z = a - price1;

String Fresult =

String.valueOf(z);

enter.setText(Fresult);

}

}

}

});

}

});

}

}