Class MyApplet

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Container
              |
              +--java.awt.Panel
                    |
                    +--java.applet.Applet
                          |
                          +--MyApplet

public class MyApplet

extends java.applet.Applet

implements java.awt.event.ActionListener, java.awt.event.KeyListener

This class is my applet and is responsible for drawing start and close buttons and acts as my " MONITOR " class.

See Also:

Serialized Form

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Constructor Summary

MyApplet()

Method Summary

void	actionPerformed(java.awt.event.ActionEvent e) This method sets the action to be performed when the start and close buttons are pressed.
void	ballmissed() This is a synchronized method which is called by the Consumer class.
void	draw() This method is use to draw the ping pong ball.
void	drawPlate() This method is used draw the rectangular plate.
void	init() This method initializes and instansiates the applet.
void	keyPressed(java.awt.event.KeyEvent ke) This method sets the action of the left arrow and right arrow key
void	keyReleased(java.awt.event.KeyEvent ke)
void	keyTyped(java.awt.event.KeyEvent ke)
void	move() This is a synchronized method which is called by the Producer class.
void	paint(java.awt.Graphics g) This method paints the rectangular plate on the screen.

Methods inherited from class java.applet.Applet

destroy, getAppletContext, getAppletInfo, getAudioClip, getAudioClip, getCodeBase, getDocumentBase, getImage, getImage, getLocale, getParameter, getParameterInfo, isActive, newAudioClip, play, play, resize, resize, setStub, showStatus, start, stop

Methods inherited from class java.awt.Panel

addNotify

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getAlignmentX, getAlignmentY, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getInsets, getLayout, getMaximumSize, getMinimumSize, getPreferredSize, insets, invalidate, isAncestorOf, layout, list, list, locate, minimumSize, paintComponents, paramString, preferredSize, print, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, removeNotify, setCursor, setFont, setLayout, update, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addPropertyChangeListener, addPropertyChangeListener, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, disable, disableEvents, dispatchEvent, enable, enable, enableEvents, enableInputMethods, firePropertyChange, getBackground, getBounds, getBounds, getColorModel, getComponentOrientation, getCursor, getDropTarget, getFont, getFontMetrics, getForeground, getGraphics, getHeight, getInputContext, getInputMethodRequests, getLocation, getLocation, getLocationOnScreen, getName, getParent, getPeer, getSize, getSize, getToolkit, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isDisplayable, isDoubleBuffered, isEnabled, isFocusTraversable, isLightweight, isOpaque, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, printAll, processComponentEvent, processFocusEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, remove, removeComponentListener, removeFocusListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, reshape, setBackground, setBounds, setBounds, setComponentOrientation, setDropTarget, setEnabled, setForeground, setLocale, setLocation, setLocation, setName, setSize, setSize, setVisible, show, show, size, toString, transferFocus

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

MyApplet

public MyApplet()

Method Detail

init

public void init()

This method initializes and instansiates the applet.

PRE CONDITION : The applet should be open from a browser .

POST CONDITION: Applet is initialised .

Overrides:

init in class java.applet.Applet

keyPressed

public void keyPressed(java.awt.event.KeyEvent ke)

This method sets the action of the left arrow and right arrow key

PRE CONDITION : Key Events should take place .

POST CONDITION: sets new position of the rectangular plate .

Specified by:

keyPressed in interface java.awt.event.KeyListener

keyTyped

public void keyTyped(java.awt.event.KeyEvent ke)

Specified by:

keyTyped in interface java.awt.event.KeyListener

keyReleased

public void keyReleased(java.awt.event.KeyEvent ke)

Specified by:

keyReleased in interface java.awt.event.KeyListener

paint

public void paint(java.awt.Graphics g)

This method paints the rectangular plate on the screen.

PRE CONDITION : The Arrowkey needs to be pressed .

POST CONDITION: the Rectangular plate is being painted .

Overrides:

paint in class java.awt.Container

actionPerformed

public void actionPerformed(java.awt.event.ActionEvent e)

This method sets the action to be performed when the start and close buttons are pressed.

PRE CONDITION : The Applet needs to be started .

POST CONDITION: The start button starts the game while the close button ceases the applet.

Specified by:

actionPerformed in interface java.awt.event.ActionListener

draw

public void draw()

This method is use to draw the ping pong ball.

PRE CONDITION : The start button needs to be pressed.

POST CONDITION: The Ball starts moving as the start button is pressed.

move

public void move()

This is a synchronized method which is called by the Producer class.

PRE CONDITION : Producer Thread needs to be running.

POST CONDITION : It allows the ball to be moved on the screen.

drawPlate

public void drawPlate()

This method is used draw the rectangular plate.

PRE CONDITION : The Start button needs to be clicked.

POST CONDITION : The Rectangular plates appears on the applet.

ballmissed

public void ballmissed()

This is a synchronized method which is called by the Consumer class.

PRE CONDITION : Consumer Thread needs to be running.

POST CONDITION :It destroyes the ball from the screen.