import java.awt.*; import java.awt.event.*; import javax.swing.*; import java.util.*; //class declaration public class foodtest extends JFrame implements ActionListener { // declare global variables JCheckBox cbBurger, cbEggs, cbFriedChicken, cbBrownRice, cbIceCream; JLabel lblTitle, lblBurger, lblEggs, lblFriedChicken, lblBrownRice, lblIceCream; JButton b1Calculate, b2Check, b3Reset, b4Cancel; JTextArea t1Output; int burgerCal = 295, eggsCal = 72, friedchickenCal = 260, brownriceCal = 111, icecreamCal = 300; int totalCal = 0; ArrayList foodItems = new ArrayList(); ArrayList foodCalories = new ArrayList(); // constructor public foodtest() { // set frame properties setTitle("IS YOUR FOOD HEALTHY?"); setSize(630, 520); setLayout(new FlowLayout()); setResizable(false); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // initialize variables lblTitle = new JLabel("Whats your order:"); lblBurger = new JLabel("Burger"); lblEggs = new JLabel("Eggs"); lblFriedChicken = new JLabel("Fried Chicken"); lblBrownRice = new JLabel("Brown Rice"); lblIceCream = new JLabel("Ice Cream"); cbBurger = new JCheckBox(); cbEggs = new JCheckBox(); cbFriedChicken = new JCheckBox(); cbBrownRice = new JCheckBox(); cbIceCream = new JCheckBox(); b1Calculate = new JButton("Calculate"); b2Check = new JButton("Check"); b3Reset = new JButton("Reset"); b4Cancel = new JButton("Cancel"); t1Output = new JTextArea(10, 30); // add action listeners b1Calculate.addActionListener(this); b2Check.addActionListener(this); b3Reset.addActionListener(this); b4Cancel.addActionListener(this); // add items to frame add(lblTitle); add(lblBurger); add(cbBurger); add(lblEggs); add(cbEggs); add(lblFriedChicken); add(cbFriedChicken); add(lblBrownRice); add(cbBrownRice); add(lblIceCream); add(cbIceCream); add(b1Calculate); add(b2Check); add(b3Reset); add(b4Cancel); add(t1Output); // display frame setVisible(true); } // actionPerformed method public void actionPerformed(ActionEvent e) { // declare local variables Object source = e.getSource(); if (source == b1Calculate) { // get selected food items and add them to array list if (cbBurger.isSelected()) { foodItems.add("Burger"); foodCalories.add(burgerCal); } if (cbEggs.isSelected()) { foodItems.add("Eggs"); foodCalories.add(eggsCal); } if (cbFriedChicken.isSelected()) { foodItems.add("Fried Chicken"); foodCalories.add(friedchickenCal); } if (cbBrownRice.isSelected()) { foodItems.add("Brown Rice"); foodCalories.add(brownriceCal); } if (cbIceCream.isSelected()) { foodItems.add("Ice Cream"); foodCalories.add(icecreamCal); } // calculate total calories for ( int i = 0; i < foodCalories.size(); i++) { totalCal += foodCalories.get(i); } // display selected food items and total calories t1Output.setText("You have selected:"); for (int i = 0; i < foodItems.size(); i++) { t1Output.append(foodItems.get(i) + "\n"); } t1Output.append("Total Calories: " + totalCal); } else if (source == b2Check) { // check if food is healthy or not if (totalCal <= 200) { t1Output.append("\nThis food is healthy!"); } else { t1Output.append("\nThis food is unhealthy!"); } } else if (source == b3Reset) { // clear all selections cbBurger.setSelected(false); cbEggs.setSelected(false); cbFriedChicken.setSelected(false); cbBrownRice.setSelected(false); cbIceCream.setSelected(false); foodItems.clear(); foodCalories.clear(); totalCal = 0; t1Output.setText(""); } else if (source == b4Cancel) { // exit program System.exit(0); } } // main method public static void main(String[] args) { new foodtest(); } }

import java.awt.; import java.awt.event.; import javax.swing.; import java.util.; //class declaration public class foodtest extends JFrame implements ActionListener { // declare global variables JCheckBox cbBurger, cbEggs, cbFriedChicken, cbBrownRice, cbIceCream; JLabel lblTitle, lblBurger, lblEggs, lblFriedChicken, lblBrownRice, lblIceCream; JButton b1Calculate, b2Check, b3Reset, b4Cancel; JTextArea t1Output; int burgerCal = 295, eggsCal = 72, friedchickenCal = 260, brownriceCal = 111, icecreamCal = 300; int totalCal = 0; ArrayList foodItems = new ArrayList(); ArrayList foodCalories = new ArrayList(); // constructor public foodtest() { // set frame properties setTitle("IS YOUR FOOD HEALTHY?"); setSize(630, 520); setLayout(new FlowLayout()); setResizable(false); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // initialize variables lblTitle = new JLabel("Whats your order:"); lblBurger = new JLabel("Burger"); lblEggs = new JLabel("Eggs"); lblFriedChicken = new JLabel("Fried Chicken"); lblBrownRice = new JLabel("Brown Rice"); lblIceCream = new JLabel("Ice Cream"); cbBurger = new JCheckBox(); cbEggs = new JCheckBox(); cbFriedChicken = new JCheckBox(); cbBrownRice = new JCheckBox(); cbIceCream = new JCheckBox(); b1Calculate = new JButton("Calculate"); b2Check = new JButton("Check"); b3Reset = new JButton("Reset"); b4Cancel = new JButton("Cancel"); t1Output = new JTextArea(10, 30); // add action listeners b1Calculate.addActionListener(this); b2Check.addActionListener(this); b3Reset.addActionListener(this); b4Cancel.addActionListener(this); // add items to frame add(lblTitle); add(lblBurger); add(cbBurger); add(lblEggs); add(cbEggs); add(lblFriedChicken); add(cbFriedChicken); add(lblBrownRice); add(cbBrownRice); add(lblIceCream); add(cbIceCream); add(b1Calculate); add(b2Check); add(b3Reset); add(b4Cancel); add(t1Output); // display frame setVisible(true); } // actionPerformed method public void actionPerformed(ActionEvent e) { // declare local variables Object source = e.getSource(); if (source == b1Calculate) { // get selected food items and add them to array list if (cbBurger.isSelected()) { foodItems.add("Burger"); foodCalories.add(burgerCal); } if (cbEggs.isSelected()) { foodItems.add("Eggs"); foodCalories.add(eggsCal); } if (cbFriedChicken.isSelected()) { foodItems.add("Fried Chicken"); foodCalories.add(friedchickenCal); } if (cbBrownRice.isSelected()) { foodItems.add("Brown Rice"); foodCalories.add(brownriceCal); } if (cbIceCream.isSelected()) { foodItems.add("Ice Cream"); foodCalories.add(icecreamCal); } // calculate total calories for ( int i = 0; i < foodCalories.size(); i++) { totalCal += foodCalories.get(i); } // display selected food items and total calories t1Output.setText("You have selected:"); for (int i = 0; i < foodItems.size(); i++) { t1Output.append(foodItems.get(i) + "\n"); } t1Output.append("Total Calories: " + totalCal); } else if (source == b2Check) { // check if food is healthy or not if (totalCal <= 200) { t1Output.append("\nThis food is healthy!"); } else { t1Output.append("\nThis food is unhealthy!"); } } else if (source == b3Reset) { // clear all selections cbBurger.setSelected(false); cbEggs.setSelected(false); cbFriedChicken.setSelected(false); cbBrownRice.setSelected(false); cbIceCream.setSelected(false); foodItems.clear(); foodCalories.clear(); totalCal = 0; t1Output.setText(""); } else if (source == b4Cancel) { // exit program System.exit(0); } } // main method public static void main(String[] args) { new foodtest(); } }

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

PLEASE ADD SOME DESIGNS ON MY JAVA PROGRAM, LIKE FONTS, BACKGROUND COLOR ETC.

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import java.util.*;

//class declaration

public class foodtest extends JFrame implements ActionListener {

// declare global variables

JCheckBox cbBurger, cbEggs, cbFriedChicken, cbBrownRice, cbIceCream;

JLabel lblTitle, lblBurger, lblEggs, lblFriedChicken, lblBrownRice, lblIceCream;

JButton b1Calculate, b2Check, b3Reset, b4Cancel;

JTextArea t1Output;

int burgerCal = 295, eggsCal = 72, friedchickenCal = 260, brownriceCal = 111, icecreamCal = 300;

int totalCal = 0;

ArrayList<String> foodItems = new ArrayList<String>();

ArrayList<Integer> foodCalories = new ArrayList<Integer>();

// constructor

public foodtest() {

// set frame properties

setTitle("IS YOUR FOOD HEALTHY?");

setSize(630, 520);

setLayout(new FlowLayout());

setResizable(false);

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

// initialize variables

lblTitle = new JLabel("Whats your order:");

lblBurger = new JLabel("Burger");

lblEggs = new JLabel("Eggs");

lblFriedChicken = new JLabel("Fried Chicken");

lblBrownRice = new JLabel("Brown Rice");

lblIceCream = new JLabel("Ice Cream");

cbBurger = new JCheckBox();

cbEggs = new JCheckBox();

cbFriedChicken = new JCheckBox();

cbBrownRice = new JCheckBox();

cbIceCream = new JCheckBox();

b1Calculate = new JButton("Calculate");

b2Check = new JButton("Check");

b3Reset = new JButton("Reset");

b4Cancel = new JButton("Cancel");

t1Output = new JTextArea(10, 30);

// add action listeners

b1Calculate.addActionListener(this);

b2Check.addActionListener(this);

b3Reset.addActionListener(this);

b4Cancel.addActionListener(this);

// add items to frame

add(lblTitle);

add(lblBurger);

add(cbBurger);

add(lblEggs);

add(cbEggs);

add(lblFriedChicken);

add(cbFriedChicken);

add(lblBrownRice);

add(cbBrownRice);

add(lblIceCream);

add(cbIceCream);

add(b1Calculate);

add(b2Check);

add(b3Reset);

add(b4Cancel);

add(t1Output);

// display frame

setVisible(true);

}

// actionPerformed method

public void actionPerformed(ActionEvent e) {

// declare local variables

Object source = e.getSource();

if (source == b1Calculate) {

// get selected food items and add them to array list

if (cbBurger.isSelected()) {

foodItems.add("Burger");

foodCalories.add(burgerCal);

}

if (cbEggs.isSelected()) {

foodItems.add("Eggs");

foodCalories.add(eggsCal);

}

if (cbFriedChicken.isSelected()) {

foodItems.add("Fried Chicken");

foodCalories.add(friedchickenCal);

}

if (cbBrownRice.isSelected()) {

foodItems.add("Brown Rice");

foodCalories.add(brownriceCal);

}

if (cbIceCream.isSelected()) {

foodItems.add("Ice Cream");

foodCalories.add(icecreamCal);

}

// calculate total calories

for (

int i = 0; i < foodCalories.size(); i++) {

totalCal += foodCalories.get(i);

}

// display selected food items and total calories

t1Output.setText("You have selected:");

for (int i = 0; i < foodItems.size(); i++) {

t1Output.append(foodItems.get(i) + "\n");

}

t1Output.append("Total Calories: " + totalCal);

} else if (source == b2Check) {

// check if food is healthy or not

if (totalCal <= 200) {

t1Output.append("\nThis food is healthy!");

} else {

t1Output.append("\nThis food is unhealthy!");

}

} else if (source == b3Reset) {

// clear all selections

cbBurger.setSelected(false);

cbEggs.setSelected(false);

cbFriedChicken.setSelected(false);

cbBrownRice.setSelected(false);

cbIceCream.setSelected(false);

foodItems.clear();

foodCalories.clear();

totalCal = 0;

t1Output.setText("");

} else if (source == b4Cancel) {

// exit program

System.exit(0);

}

// main method

public static void main(String[] args) {

new foodtest();

}

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