Question

please using java.awt.* and javax.swing.*!!!!!

Write a graphical application that produces a restaurant bill. Provide buttons for ten popular dishes or drink items. (You decide on the items and their prices.) Provide text fields for entering less popular items and prices. In a text area, show the bill, including tax and a suggested tip.

Answer 1

JAVA code for the given problem: package resturant //import the required packages import java.awt.BorderLayout; ort javax.print.attribute.standard.MediaSize.Other; import java.awt.GridLa yout; import javax.swing.JButton; import javax.swing.JLabel; import java.awt.event.ActionListener; import java.awt.event.ActionEvent; import javax.swing.JTextField; import javax.swing.JFrame ; import javax.swing.JTextArea; //The class to define the billing app public class Restaurant extends JFrame implements ActionListener private JButton[ ItemsAvailbale; private JTextField ItemMenu , İtemPrice, bil!Aroun ; private JButton estimateBill; private JLabel foodItem, price, priceover, mytip, tipEst; private JTextArea showBill; private double cost public Restaurant initialize) private void initialize () cost 0; Items Availba1e = new JButton [10]; Items Availbale [0] = new JButton ("FrenchFries- $10.00"); Items Availbale [1] = new JButton ( "chickenWings- $15.00"); Items Avai!bale [2] = new JButton ("Beer- $50.00"); Items Availbale [3] = new JButton ("Coffee- $20.00"); Items Availbale [4] = new JButton ("Ve gRoll- $30.00"); ItemsAvailbale[5new JButton("Pizza -$10.00") ItemsAvailbale [ 6]new JButton("Burger$15.00") Items Availbale [7] = new JButton("ColdCoffee- $12.00"); Items Avai!bale [8] = new JButton ("Coke- $10.00"); Items Availbale [9] = new JButton ("HotDog- $20.00"); setLayout (new GridLayout (10, 2))

for JButton button: ItemsAvailbale button.addActionListener (this); add (button) foodItemnew JLabel ("Extra Items") add (foodItem) price = new JLabel ("Price"); add (price); itemMenu = new JText Field(); ada (İternMe nu) ; itemPrice - new JTextField) add (itemPrice) price Over = new JLabel ("Total cost = "); add (priceover); billAroun = new JTextField(); add (billAmoun) mytíp = new JLabel ("Recommended tip"); add (mytip); tipEst = new JLabel(); add (tipEst); estimateBǐ 11 = new JButton ("Calculate cost"); add (estimateBill); estimateBill.addActionLİstener (this) ; @Override public void actionPerformed (ActionEvent e) switch (e.getActionCommand )) case Calculate cost": String 3 = itemP rice. getText(); if (s.length) 0) double additionalCostDouble.parseDouble (s) cost += additiona |Cost; bǐllAm un . setText (cost + ""); tipEst.setText (cost*0.2) break; case "FrenchFries- $10.00": cost += 10; break; case "ChickenWings - $15 cost 15; break;

case "Beer $50.00": cost +50; break; case "Coffee-$20.00": cost += 20; break; case "VegRoll$30. 00 cost += 30; break; case "Pizza $10.00": cost += 10; break; case "Burger -$15.00": cost += 15; break; case "ColdCoffee$12.00" cost += 12; break; case "Coke $10.00": cost += 10; break; case "HotDog$20.00": cost += 20; break; //The driver method public static void main (String[l args) Restaurant bil!App = new Restaurant(); billApp.setDefaultcloseOperation (EXIT_ON_CLOSE) billApp.setSize (1000,1000) billApp.setVisible (true) Sample Run

FrenchFries $10.00 ChickenWings $15.00 Beer $50.00 Coffee- $20.00 VegRoll -$30.00 Pizza $10.00 Burger $15.00 ColdCoffee $12.00 Coke $10.00 HotDog $20.00 Extra Items Price Total cost- 35.0 Recommended tip 7.0 Calculate cost

Raw Paste Code:

package resturant;
//import the required packages
import java.awt.BorderLayout;
import javax.print.attribute.standard.MediaSize.Other;
import java.awt.GridLayout;
import javax.swing.JButton;
import javax.swing.JLabel;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JTextField;
import javax.swing.JFrame;
import javax.swing.JTextArea;

//The class to define the billing app
public class Restaurant extends JFrame implements ActionListener {

   private JButton[] ItemsAvailbale;
   private JTextField itemMenu, itemPrice, billAmoun;
   private JButton estimateBill;
   private JLabel foodItem, price, priceOver, mytip, tipEst;
   private JTextArea showBill;

   private double cost;

   public Restaurant() {
       initialize();
   }

   private void initialize() {
       cost = 0;
       ItemsAvailbale = new JButton[10];
       ItemsAvailbale[0] = new JButton("FrenchFries - $10.00");
       ItemsAvailbale[1] = new JButton("ChickenWings - $15.00");
       ItemsAvailbale[2] = new JButton("Beer - $50.00");
       ItemsAvailbale[3] = new JButton("Coffee- $20.00");
       ItemsAvailbale[4] = new JButton("VegRoll - $30.00");
       ItemsAvailbale[5] = new JButton("Pizza - $10.00");
       ItemsAvailbale[6] = new JButton("Burger - $15.00");
       ItemsAvailbale[7] = new JButton("ColdCoffee - $12.00");
       ItemsAvailbale[8] = new JButton("Coke - $10.00");
       ItemsAvailbale[9] = new JButton("HotDog - $20.00");
       setLayout(new GridLayout(10, 2));
    
       for (JButton button: ItemsAvailbale) {
           button.addActionListener(this);
           add(button);
       }
       foodItem = new JLabel("Extra Items");
       add(foodItem);
       price = new JLabel("Price");
       add(price);
       itemMenu = new JTextField();
       add(itemMenu);
       itemPrice = new JTextField();
       add(itemPrice);
       priceOver = new JLabel("Total cost = ");
       add(priceOver);
       billAmoun = new JTextField();
       add(billAmoun);
       mytip = new JLabel("Recommended tip");
       add(mytip);
       tipEst = new JLabel();
       add(tipEst);
       estimateBill = new JButton("Calculate cost");
       add(estimateBill);
       estimateBill.addActionListener(this);
   }

   @Override
   public void actionPerformed(ActionEvent e) {
       switch(e.getActionCommand()) {
       case "Calculate cost":
           String s = itemPrice.getText();
           if (s.length() > 0) {
               double additionalCost = Double.parseDouble(s);
               cost += additionalCost;
            
           }
           billAmoun.setText(cost + "");
           tipEst.setText(cost*0.2 + "");
           break;
        
       case "FrenchFries - $10.00":
           cost += 10;
           break;
        
       case "ChickenWings - $15.00":
           cost += 15;
           break;
        
       case "Beer - $50.00":
           cost += 50;
           break;
        
       case "Coffee - $20.00":
           cost += 20;
           break;
        
       case "VegRoll - $30.00":
           cost += 30;
           break;
        
       case "Pizza - $10.00":
           cost += 10;
           break;
        
       case "Burger - $15.00":
           cost += 15;
           break;

       case "ColdCoffee - $12.00":
           cost += 12;
           break;
        
       case "Coke - $10.00":
           cost += 10;
           break;
        
       case "HotDog - $20.00":
           cost += 20;
           break;
       }
   }

//The driver method
   public static void main(String[] args) {
       Restaurant billApp = new Restaurant();
       billApp.setDefaultCloseOperation(EXIT_ON_CLOSE);
       billApp.setSize(1000,1000);
       billApp.setVisible(true);
   }

}