Teddy Bear

Could someone please explain to me how temporary internet files are created on a computer and how they can be removed ?

Thanks

Hi

I need to know what this line of code means:

for(String fn : files)

System.out.println("found " + fn);

Could you please tell me what the "fn" function is for and why it is being used in this line of code?

Thank you very much

God Bless

Hi Everyone

The code is: public abstract class Ball

{

public String type;

public Ball(String type)

{

this.type = type;

}

abstract public void play();

public String getType()

{

return type;

}

public abstract class Bounceable extends Ball

{

public Bounceable()

{

super("Bounceable");

}

abstract public String bounce();

}

public abstract class Baseball extends Ball

{

public Baseball(String msg)

{

super(msg);

}

public String usage()

{

return new String("The American pasttime - Batter up!");

}

}

public abstract class Bowlingball extends Ball

{

public Bowlingball(String msg)

{

super(msg);

}

public String usage()

{

return new String("Set up the pins. Do you know how to score?");

}

}

public abstract class Tennisball extends Bounceable

{

public Tennisball()

{

super("Tennisball");

}

public void play()

{

System.out.println("All set for a match. I love this game");

}

public String bounce()

{

String bounce = "Boing!";

return bounce;

}

}

public abstract class Basketball extends Bounceable

{

public Basketball()

{

super("Basketball");

}

public void play()

{

System.out.println("Basketball begins with a tipoff.");

}

public String bounce()

{

String bounce = "dribble...";

return bounce;

}

}

public class PolyTest

{

public static void main(String[] args)

{

Ball[] ball = {Baseball(),Basketball(),Bowlingball(),Tennisball()};

System.out.println("For each type of ball...\n");

for(int i = 0; i < ball.length; ++i)

{

System.out.println("Ball #"+(i+1)+" is a "+ball[i].getType());

System.out.println("Playing: ");

ball[i].play();

//checks to see if it an object of type Bounceable

if( ball[i] instanceof Bounceable)

//if so, call bounce method of Bounceable object

System.out.println("Bouncing");

else

System.out.println("You can't bounce this ball");

System.out.println("\n");

}

System.out.println("\nEnd of program.");

}

}

}

The Errors are: java:66: error: constructor Bounceable in class Ball.Bounceable cannot be applied to given types;

super("Tennisball");

^

required: no arguments

found: String

reason: actual and formal argument lists differ in length

java:85: error: constructor Bounceable in class Ball.Bounceable cannot be applied to given types;

super("Basketball");

^

required: no arguments

found: String

reason: actual and formal argument lists differ in length

java:104: error: cannot find symbol

Ball[] ball = {Baseball(),Basketball(),Bowlingball(),Tennisball()};

^

symbol: method Baseball()

location: class Ball.PolyTest

java:104: error: cannot find symbol

Ball[] ball = {Baseball(),Basketball(),Bowlingball(),Tennisball()};

^

symbol: method Basketball()

location: class Ball.PolyTest

C:\Course Technology\85985-0d\Chapter10\Ball.java:104: error: cannot find symbol

Ball[] ball = {Baseball(),Basketball(),Bowlingball(),Tennisball()};

^

symbol: method Bowlingball()

location: class Ball.PolyTest

.java:104: error: cannot find symbol

Ball[] ball = {Baseball(),Basketball(),Bowlingball(),Tennisball()};

^

symbol: method Tennisball()

location: class Ball.PolyTest

C:\Course Technology\85985-0d\Chapter10\Ball.java:102: error: Illegal static declaration in inner class Ball.PolyTest

public static void main(String[] args)

^

modifier 'static' is only allowed in constant variable declarations

The errors only start after the 3rd part:

1st i had to create an abstract base class, Ball. The single constructor requires a string to indicate the type of ball which is then stored in an instance variable. Instance method getType(), returns a new string containing the type of ball. The class declares an abstract method play(), which returns void. Then i have to create an abstract class Bounceable which inherits from ball which has a single abstract method bounce() which returns a string but n no instance variables. then create 2 concrete classes Baseball and Bowlingball, which inherits from ball. only implementation of inherited abstract methods. no instance variables or additional methods required. My code compiles up till this point, then the problem comes in here: Next i have to create 2 concrete classes Tennisball and Basketball which inherit from Bounceable. No instance variables or methods required only implementation

Hi I need some help with this code please: import java.io.*;

import javax.swing.JOptionPane;

import java.text.DecimalFormat;

public class Tuition

{

public static void main(String[] args)

{

//Declare Variables

int hours;

double fees, rate, tuition;

//Call Methods

displayWelcome();

hours = getHours();

rate = getRate(hours);

tuition = calcTuition(hours, rate);

fees = calcFees(tuition);

displayTotal(tuition + fees);

}

public static void displayWelcome()

{

System.out.println("Welcome to the Tuition and Fees Calculator");

}

public static int getHours()

{

//Declare Variables

BufferedReader dataIn = new BufferedReader(new InputStreamReader(System.in));

String strHours;

int hours = 0;

try

{

//Prompt User for input

System.out.println("\t\tEnter total number of hours used by students");

hours = dataIn.readLine();

hours = Integer.parseInt(strHours);

}

catch(NumberFormatException e)

{

System.out.println("Please input whole numbers");

}

return hours;

}

public static double getRate(int hours)

{

if (hours > 15)

{

System.out.println("\t\tCalculate rate per credit hour");

}

else

if(hours < 15)

{

System.out.println("Credit hours are inaccurate");

}

return Rate;

}

public static double calcTuition(int hours, double rate)

{

//Accept two values

rate = rate * hours;

return Tuition;

}

public static double calcFees(double tuition)

{

//Accept double Value

double fees;

fees = tuition * 0.8;

return fees;

}

public static void displayTotal(double total)

{

//Construct DecimalFormat pattern for currency

DecimalFormat twoDigits = new DecimalFormat("$000.00");

double fees;

double tuition;

System.out.println("Your total is: "+ tuition+".");

}

}

The Errors are: java:49: error: incompatible types

hours = dataIn.readLine();

java:74: error: cannot find symbol

return Rate;

java:82: error: cannot find symbol

return Tuition;

In the dataIn.readLine statement, I have hours twice because I dont know what else to use. I have tried all the others like rate, tuition etc, but cant come right there. Also the two return statements; rate and tuition are incorrect. Could someone please assist me here.

Thank You. God Bless :-)

Hi there I need some help with a particular definition in java that is related to primitive data types. In many descriptions like the byte, int , long and short data types it is described in, for example, the byte stores whole number values in 8-bit signed locations from -128 to +127. I need to know what exactly are bit signed locations.

Thank You for the help

God Bless

Hi everyone

This program is not running due to 2 errors could someone please assist me? Thanks :-)

Code: import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

public class UserList

{

public static void main(String[] args) throws Exception

{

String str1, str2 = "username";

int index;

int initialCapacity = 10;

BufferedReader dataIn = new BufferedReader(new InputStreamReader(System.in));

ArrayList(String) users = new ArrayList(String)();

System.out.print("Enter a user name: ");

str1 = dataIn.readLine();

while(str1.length() > 0)

{

if(str1 == str2);

System.out.println("That user name is NOT allowed!");

else

{

if(users.size() == initialCapacity)

{

System.out.println("List is full!");

System.out.println("Last entry is "+users.get(initialCapacity));

}

else

if(!users.contains(str1))

{

users.add(str1);

System.out.println("User \""+str1+"\" added to user list.");

}

else

System.out.println("User \""+str1+"\" already in user list.");

}

System.out.print("\nEnter a user name: ");

str1 = dataIn.readLine();

}

System.out.println("Program complete.");

}

}

Errors: C:\Course Technology\85985-0d\Chapter09\v4.1\UserList.java:22: ';' expected

ArrayList(String) users = new ArrayList(String)();

^

C:\Course Technology\85985-0d\Chapter09\v4.1\UserList.java:31: 'else' without 'if'

else

^

2 errors

Thank You :-)

Hi Everyone

I need help with this code please. This code is created to import a adjustable graphic in an Applet.

Code: import java.awt.*;

import java.awt.event.*;

import java.applet.*;

public class MoveIt extends Applet implements ActionListener

{

// Declare Variables

private Image cup;

private Panel keyPad;

public int top = 15;

public int left = 15;

private Button keysArray[];

public void init()

{

cup = getImage(getDocumentBase(), "cup.gif");

Canvas myCanvas = new Canvas();

// Construct Panel and Buttons

keypad = new Panel();

keys[1] = new Button("Up");

keys[2] = new Button("Left");

keys[3] = new Button("Right");

keys[4] = new Button("Down");

keys[5] = new Button("Center");

// Set Background Color

setBackground(blue);

// Set Layout Manager for Frame

this.setLayout(new BorderLayout());

// Set keypad Layout Manager

this.setLayout(new BorderLayout());

//Add Buttons to the keypad Panels

keypad.add(Up, BorderLayout.NORTH);

keypad.add(Down, BorderLayout.SOUTH);

keypad.add(Left, BorderLayout. EAST);

keypad.add(Right, BorderLayout.WEST);

keypad.add(Center, BorderLayout.Center);

add(myCanvas, BorderLayout.NORTH);

add(keypad, BorderLayout.SOUTH);

// Add ActionListener Statements for each of the Buttons

UpButton.addActionListener(this);

DownButton.addActionListener(this);

LeftButton.addActionListener(this);

RightButton.addActionListener(this);

CenterButton.addActionListener(this);

}

public void paint(Graphics g)

{

g.drawImage(cup, left, top, this);

}

public void actionPerformed(ActionEvent e)

{

String arg = e.getActionCommand();

if(arg == "Up")

top = top -15;

if(arg == "Down")

top = top + 15;

if(arg == "Left")

top = top - 15;

if(arg == "Right")

top = top + 15;

if(arg == "Center")

top = 60;

Left = 125;

}

repaint();

}

Error is: :\Course Technology\59850_Java3e_DF1-4\Chapters 5-8\Chapter06\MoveIt.java:90: invalid method declaration; return type required

repaint();

^

1 error

Thank You :-)

Hi

I have created an Applet that calculates the shipping costs of items purchased by customers. This is the code: import java.applet.*;

import java.awt.*;

import java.awt.event.ItemListener;

import java.text.DecimalFormat;

public class CandleLine extends Applet implements ItemListener

{

//Declare Variables

double dollars, answer;

int shippingCode;

//Construct Components for applet

Label welcome = new Label("Welcome to CandleLine online");

Label OrderEntryLabel = new Label("Please Enter the total amount of you order");

TextField OrderEntryField = new TextField(7);

Label codeLabel = new Label("Select the appropriate shipping method");

CheckboxGroup codeGroup = new CheckboxGroup();

Checkbox PriorityBox = new Checkbox("Priority Delivery; overnight",false,codeGroup);

Checkbox ExpressBox = new Checkbox("Express Delivery; 2 business days",false,codeGroup);

Checkbox StandardBox = new Checkbox("Standard Delivery; 3-7 business days",false,codeGroup);

Checkbox hiddenBox = new Checkbox("",true,codeGroup);

Label Guarantee = new Label("We will guarantee on-time delivery, or your money back ");

Label outputLabel = new Label("");

public void init()

{

setForeground(Color.black);

setBackground(Color.cyan);

add(welcome);

add(OrderEntryField);

add(OrderEntryLabel);

add(PriorityBox);

PriorityBox.addItemListener(this);

add(ExpressBox);

ExpressBox.addItemListener(this);

add(StandardBox);

StandardBox.addItemListener(this);

add(outputLabel);

add(Guarantee);

}

public void ItemStateChanged(ItemListener choice)

{

try

{

dollars = getSales();

shippingCode = getCode();

answer = getShipping(dollars,shippingCode);

output(answer, dollars);

}

catch(NumberFormatException e)

{

outputLabel.setText("You must enter a dollar amount greater than zero");

hiddenBox.setState(true);

OrderEntryField.setText("");

OrderEntryField.requestFocus();

}

}

public double getSales()

{

double total = Double.parseDouble(OrderEntryField.getText());

if(total <= 0) throw new NumberFormatException();

return total;

}

public int getCode()

{

int code = 0;

if (PriorityBox.getState()) code = 1;

else

if (ExpressBox.getState()) code = 2;

else

if (StandardBox.getState()) code = 3;

return code;

}

public double getShipping(double Total, int code)

{

double shipping = 0.0;

switch(code)

{

case 1:

shipping = 16.95;

break;

case 2:

shipping = 13.95;

break;

case 3:

if(Total>100) shipping = 0.0;

else if(Total<=100) shipping = 7.95;

break;

}

return shipping;

}

public void output(double shipping, double total)

{

DecimalFormat twoDigits = new DecimalFormat("$#,0000.00");

outputLabel.setText("Your shipping on sales of " + twoDigits.format(total) + " is "+twoDigits.format(shipping));

}

}

This is the Error: C:\Users\user\Desktop\Assignment 2\CandleLine.java:17: CandleLine is not abstract and does not override abstract method itemStateChanged(java.awt.event.ItemEvent) in java.awt.event.ItemListener

public class CandleLine extends Applet implements ItemListener

^

1 error

I need to know what code to use to override this method. Could someone please assist me?

Thank You :-)

Hi Everyone

could someone please help me correct these 2 errors. This program is to create an application that demonstrates Array and Looping structures.

Code: import java.awt.*;

import java.awt.event.*;

import javax.swing.JOptionPane;

public class Checkerboard extends Frame implements ActionListener

{

//Declare the Panels that holds the Array

Panel boardPanel = new Panel();

TextArea numberArea[] = new TextArea[16];

////Declares the Panel that holds three fiels and labels

Panel buttonPanel = new Panel();

Button goBut = new Button("Go");

Label startLabel = new Label("Start");

Label stepLabel = new Label("Step");

Label stopLabel = new Label("Stop");

Panel inputPanel = new Panel();

int start=0, stop=0, step=0;

TextField startField = new TextField();

TextField stepField = new TextField();

TextField stopField = new TextField();

public Checkerboard()

{

// set layouts for frame and two panels

this.setLayout(new BorderLayout());

boardPanel.setLayout(new GridLayout(4,4));

inputPanel.setLayout(new GridLayout(2,3));

buttonPanel.setLayout(new FlowLayout(FlowLayout.LEFT));

// add components to board Panel

for (int i = 0; i < numberArea.length; i++) {

numberArea[i] = new TextArea(null, 3, 5, 3);

numberArea[i].setText(Integer.toString(i));

numberArea[i].setEditable(false);

numberArea[i].setBackground(Color.WHITE);

boardPanel.add(numberArea[i]);

}

// add components to input Panel

inputPanel.add(startField);

inputPanel.add(stepField);

inputPanel.add(stopField);

inputPanel.add(startLabel);

inputPanel.add(stepLabel);

inputPanel.add(stopLabel);

//buttonPanel Component

buttonPanel.add(goBut);

// add panels to frame

add(boardPanel, BorderLayout.NORTH);

add(inputPanel, BorderLayout.CENTER);

add(buttonPanel, BorderLayout.SOUTH);

goBut.addActionListener(this);

// overriding the windowClosing() method will allow the user to click the Close button

addWindowListener(new WindowAdapter() {

public void windowClosing(WindowEvent e) {

System.exit(0);

}

});

}// end of constructor method

public static void main(String[] args)

{

Checkerboard f = new Checkerboard();

f.setBounds(50, 100, 300, 400);

f.setTitle("Checkerboard Array");

f.setVisible(true);

}// end of main() method

public void actionPerformed(ActionEvent e)

{

String arg = e.getActionCommand();

try

{

start = Integer.parseInt(startField.getText());

step = Integer.parseInt(stepField.getText());

stop = Integer.parseInt(stopField.getText());

}catch(Exception exception)

{

return;

}

Object src = e.getSource();

for (int x = start -1; x < stop; x = step) //you need to do the -1 because the array subscript values in Java all start

//with zero, but humans use numbers starting with 1

{

//numberArea[x] = numberArea[start & start++].setBackground(Color.magenta);//..change the color for that square here

if (src == goBut)

{

if (start >= 0 && start <= 15 && start < stop) {

numberArea[x] = numberArea[start + start++].setBackground(Color.magenta);

}

else

{

JOptionPane

.showMessageDialog(

null,

"You have entered an incorrect number or a number larger than 15. Please try again",

"Error", JOptionPane.ERROR_MESSAGE);

}

if (step >= 0 && step <= 15 && start < stop) {

numberArea[x] = numberArea[step + step++].setBackground(Color.yellow);

}

}

}

}

}

Errors: C:\Users\user\Desktop\Checkerboard.java:111: incompatible types

found : void

required: java.awt.TextArea

numberArea[x] = numberArea[start + start++].setBackground(Color.magenta);

^

C:\Users\user\Desktop\Checkerboard.java:124: incompatible types

found : void

required: java.awt.TextArea

numberArea[x] = numberArea[step + step++].setBackground(Color.yellow);

Hi everyone could someone please help me in solving this one error that i have in this code. This is an Applet that calculates the shipping costs of items purchased by customers:

import java.applet.*;

import java.awt.*;

import java.awt.event.ItemListener;

import java.text.DecimalFormat;

public class CandleLine extends Applet implements ItemListener

{

//Declare Variables

double dollars, answer;

int shippingCode;

//Construct Components for applet

Label welcome = new Label("Welcome to CandleLine online");

Label OrderEntryLabel = new Label("Please Enter the total amount of you order");

TextField OrderEntryField = new TextField(7);

Label codeLabel = new Label("Select the appropriate shipping method");

CheckboxGroup codeGroup = new CheckboxGroup();

Checkbox PriorityBox = new Checkbox("Priority Delivery; overnight",false,codeGroup);

Checkbox ExpressBox = new Checkbox("Express Delivery; 2 business days",false,codeGroup);

Checkbox StandardBox = new Checkbox("Standard Delivery; 3-7 business days",false,codeGroup);

Checkbox hiddenBox = new Checkbox("",true,codeGroup);

Label Guarantee = new Label("We will guarantee on-time delivery, or your money back ");

Label outputLabel = new Label("");

public void init()

{

setForeground(Color.black);

setBackground(Color.cyan);

add(welcome);

add(OrderEntryField);

add(OrderEntryLabel);

add(PriorityBox);

PriorityBox.addItemListener(this);

add(ExpressBox);

ExpressBox.addItemListener(this);

add(StandardBox);

StandardBox.addItemListener(this);

add(outputLabel);

add(Guarantee);

}

public void ItemStateChanged(ItemListener choice)

{

try

{

dollars = getSales();

shippingCode = getCode();

answer = getShipping(dollars,shippingCode);

output(answer, dollars);

}

catch(NumberFormatException e)

{

outputLabel.setText("You must enter a dollar amount greater than zero");

hiddenBox.setState(true);

OrderEntryField.setText("");

OrderEntryField.requestFocus();

}

}

public double getSales()

{

double total = Double.parseDouble(OrderEntryField.getText());

if(total <= 0) throw new NumberFormatException();

return total;

}

public int getCode()

{

int code = 0;

if (PriorityBox.getState()) code = 1;

else

if (ExpressBox.getState()) code = 2;

else

if (StandardBox.getState()) code = 3;

return code;

}

public double getShipping(double Total, int code)

{

double shipping = 0.0;

switch(code)

{

case 1:

shipping = 16.95;

break;

case 2:

shipping = 13.95;

break;

case 3:

if(Total>100) shipping = 0.0;

else if(Total<=100) shipping = 7.95;

break;

}

return shipping;

}

public void output(double shipping, double total)

{

DecimalFormat twoDigits = new DecimalFormat("$#,0000.00");

outputLabel.setText("Your shipping on sales of " + twoDigits.format(total) + " is "+twoDigits.format(shipping));

}

}

Error: C:\Course Technology\59850d\Chapter 04\CandleLine.java:17: CandleLine is not abstract and does not override abstract method itemStateChanged(java.awt.event.ItemEvent) in java.awt.event.ItemListener

public class CandleLine extends Applet implements ItemListener

^

1 error

Thank You :-)

Hi could someone please assist me in correcting these two errors?

code: import java.awt.*;

import java.applet.*;

import java.awt.event.*;

import java.awt.Label.*;

public class Freddie extends Applet implements ItemListener

{

//Construct Components

Label sandwichPromptLabel = new Label("sandwich");

Label sandwichInputField = new TextField("Input");

Label sizePromptLabel = new Label("size");

CheckboxGroup sandwichGroup = new CheckboxGroup();

Checkbox catsupBox = new Checkbox("catsup",false,sandwichGroup);

Checkbox mustardBox = new Checkbox("mustard",false,sandwichGroup);

Checkbox picklesBox = new Checkbox("pickles",false,sandwichGroup);

Checkbox sizeGroupBox = new Checkbox("sizeGroup",true,sandwichGroup);

Checkbox smallBox = new Checkbox("small",false,sandwichGroup);

Checkbox mediumBox = new Checkbox("medium",false,sandwichGroup);

Checkbox largeBox = new Checkbox("large",false,sandwichGroup);

public void init()

{

setBackground(red);

add(sizePromptLabel);

add(sandwichInputField);

add(sizePromptLabel);

add(catsupBox);

catsupBox.addItemListener(this);

add(mustardBox);

mustardBox.addItemListener(this);

add(picklesBox);

picklesBox.addItemListener(this);

add(sizeGroupBox);

sizeGroupBox.addItemListener(this);

add(smallBox);

smallBox.addItemListener(this);

add(mediumBox);

mediumBox.addItemListener(this);

add(largeBox);

largeBox.addItemListener(this);

}

public void itemStateChanged(ItemEvent choice)

{

}

}

Errors: C:\Course Technology\59850d\Chapter 04\Freddie.java:22: incompatible types

found : java.awt.TextField

required: java.awt.Label

Label sandwichInputField = new TextField("Input");

^

C:\Course Technology\59850d\Chapter 04\Freddie.java:36: cannot find symbol

symbol : variable red

location: class Freddie

setBackground(red);

^

2 errors

Thank You :-)

Hi could someone please help me with this code I have one error. The program creates an applet related to Fast-Food Sandwiches created at Freddie's fast food:

import java.awt.*;

import java.applet.*;

import java.awt.event.*;

public class Freddie extends Applet implements ItemListener

{

public void init()

{

//Construct Components

Label sandwichPromptLabel = new Label("sandwich");

Label sandwichInputField = new TextField("Input");

Label sizePromptLabel = new Label("Size");

CheckboxGroup sandwichGroup = new CheckboxGroup();

Checkbox catsupBox = new Checkbox("catsup",false,sandwichGroup);

Checkbox mustardBox = new Checkbox("mustard",false,sandwichGroup);

Checkbox picklesBox = new Checkbox("pickles",false,sandwichGroup);

Checkbox sizeGroupBox = new Checkbox("sizeGroup",true,sandwichGroup);

Checkbox smallBox = new Checkbox("small",false,sandwichGroup);

Checkbox mediumBox = new Checkbox("medium",false,sandwichGroup);

Checkbox largeBox = new Checkbox("large",false,sandwichGroup);

public void init()

{

setBackground(red);

add(promptLabel);

add(inputField);

add(size);

add(catsup);

add(mustard);

add(pickles);

add(sizeGroup);

add(small);

add(medium);

add(large);

public void itemStateChanged(ItemEvent choice)

{

}

};};};

This is the Error:

C:\Course Technology\59850d\Chapter 04\Freddie.java:35: illegal start of expression

public void init()

^

1 error

Thank You :-)

Hi everyone

I am writing a program that calculates the total cost of students' fees and I seem to have one error that I cannot correct. This error is on line 61import java.io.*;

import javax.swing.JOptionPane;

import java.text.DecimalFormat;

public class Tuition

{

public static void main(String[] args);

{

//Declare Variables

int hours;

double fees, rate, tuition;

//Call Methods

displayWelcome();

hours = getHours();

rate = getRate(hours);

tuition = calcTuition(hours, rate);

fees = calcFees(tuition);

displayTotal(tuition + fees);

}

public static void displayWelcome()

{

System.out.println("Welcome to the Tuition and Fees Calculator");

}

public static int getHours()

{

//Declare Variables

String = strHours;

int hours = 0;

//Prompt user for Input

System.out.println("Enter total number of hours used by students");

try

{

hours = Integer.parseInt(strHours);

}

catch(NumberFormatException e)

{

JOptionPane.showMessageDialog(null,"Your entry was invalid.","Error",JOptionPane.INFORMATION_MESSAGE);

{

System.out.println("Please input whole numbers");

}

return hours;

}

public static double getRate(int hours)

{

int hours = 15;

if (hours > 15){

System.out.println("Calculate rate per credit hour");

return rate;

}

else

if(hours<15){

System.out.println("Credit hours are inaccurate");

}

public static double calcTuition(int hours, double rate)

{

//Accept two values

int hours

int rate = 0.0;

int rate * hours;

return tuition;

}

public static double calcFees(double tuition)

{

//Accept double Value

double tuition * 0.8;

double fees

return fees;

}

public static void displayTotal(double total)

{

//Construct DecimalFormat pattern for currency

DecimalFormat Currency = new DecimalFormat("$000.00");

System.out.println("Your total tuition is " fees + tuition);

}

};

};}; :

Error: C:\Course Technology\59850d\Chapter 04\Tuition.java:61: illegal start of expression

public static double getRate(int hours)

^

1 error

Thank You :)

Hi everyone

I am writing this code that uses an input box that has three choices and I am having trouble parsing the value afterward :

import java.io.*;

import javax.swing.JOptionPane;

public class MyType

{

public static void main (String[] args)

{

// Declare and Construct Variables

String strChoice, strTryString, strTryInt, strTryDouble;

int choice, tryInt;

double tryDouble;

boolean done = false;

//loop while user does not click cancel button

while(!done)

{

try

{

String message = "What is My Type?" +

"\n\n1) String\n2) Integer\n3) double\n4) Quit the program\n\n";

choice = Integer.parseInt(strChoice);

switch(choice)

{

case 1:

JOptionPane.showMessageDialog(null, "Correct, any input can be saved as a String");

break;

case 2:

JOptionPane.showMessageDialog(null, "Correct");

tryInt = Integer.parseInt(strChoice);

break;

case 3:

JOptionPane.showMessageDialog(null, "Correct");

tryDouble = Integer.parseInt(strChoice);

break;

case 4:

JOptionPane.showMessageDialog(null, "Exit.");

done = true;

break;

default:

throw new NumberFormatException();

}

}

catch(NumberFormatException e)

{

JOptionPane.showMessageDialog(null,"Please try again");

}

}

}

}

Thank You :-)

Hey there could someone please tell me what would be a good vampire movie to download, except twilight and from what websites please? Also any other good comedies

Thanks :-)

Hi

I am having some trouble understanding the following methods in Java, their definitions and how they are used in programs. Could someone Please assist me? Thank You.

They are:

getDefaultToolkit()

getSystemClipboard()

getContents()

setContents()

getTransferData()

getDesktopProperty()

getImage()

Please assist me

Thank You

hey there, could someone please help me out with some gaming websites?

Thanks

Hi could someone please tell me what is a good horror or comedy to download?

I really don't know what to get. Preferably something hilarious.

Hi

The question states: "List three sets of test data for a program that determines the quotient A/B, where A must be an integer between -1 and 10, and B must be a non zero."

Thank You

Could someone please help me draw a generalization hierarchy for a book object in java, including a superclass and two subclasses?

Thank You