Copro2 Prefinal Exam
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Java applet
- 1.These are small applications and they are accessed in internet server.
- A.
Applications
- B.
Applets
- C.
Java
- D.
Widgets
- 2.This is the name of the package that you have to import to create and implement your applet code.
- A.
Import java.io.*
- B.
Import java.applet.*;
- C.
Import java.awt.*;
- D.
Import java.awt.event.*;
- 3.This is the name of the package that you have to import to have an action listeners on your program
- A.
Import java.io.*;
- B.
Import java.applet.*;
- C.
Import java.awt.*;
- D.
Import java.awt.event.*;
- 4.It can only contain a single line of text and no images.
- A.
Label
- B.
Button
- C.
Textfield
- D.
All of these
- 5.Which of the following is NOT an applet keyword?
- A.
Transient
- B.
Package
- C.
Interface
- D.
Gotoxy
- 6.This is the name of the package that you have to import to create and implement your applet code.
- A.
Import java.io.*
- B.
Import java.applet.*;
- C.
Import java.awt.*;
- D.
Import java.awt.event.*;
- 7.This means that other classes may use this class or method during their execution.
- A.
Public
- B.
Import
- C.
Implement
- D.
Package
- 8.It tells Java that this is the beginning of a class declaration.
- A.
Public
- B.
Void
- C.
Class
- D.
Static
- 9.This is the name of the package that you have to import to have an action listeners on your program
- A.
Import java.io.*;
- B.
Import java.applet.*;
- C.
Import java.awt.*;
- D.
Import java.awt.event.*;
- 10.Which of the following is NOT an applet keyword?
- A.
Transient
- B.
Package
- C.
Interface
- D.
Gotoxy
- 11.Which of the following is the correct declaration of drawing a rectangle method?
- A.
G.Drawrect();
- B.
G.drawRect();
- C.
G.drawingRect();
- D.
G.draw_RECT();
- 12.Which of the following is the correct parameters of drawString method?
- A.
(String, int x, int y)
- B.
(String, int y, int x)
- C.
(int x, int y, String)
- D.
(int x, String, int y)
- 13.This means that other classes may use this class or method during their execution.
- A.
Public
- B.
Import
- C.
Implement
- D.
Package
- 14.The class used to choose color to your drawings
- A.
SetColor()
- B.
Graphics
- C.
Color
- D.
Paint
- 15.It tells Java that this is the beginning of a class declaration.
- A.
Public
- B.
Void
- C.
Class
- D.
Static
- 16.On the given statement below, which of the following is the location below the upper left corner of the applet window? g.drawString (“Welcome to Java!”, 140, 50);
- A.
”Welcome to Java!”
- B.
140
- C.
50
- D.
None of these
- 17.Which of the following is the correct declaration of drawing a rectangle method?
- A.
G.Drawrect();
- B.
G.drawRect();
- C.
G.drawingRect();
- D.
G.draw_RECT();
- 18.The following are methods in Applet class except:
- A.
Start()
- B.
Stop()
- C.
Destroy()
- D.
Wait()
- 19.Which of the following is the correct parameters of drawString method?
- A.
(String, int x, int y)
- B.
(String, int y, int x)
- C.
(int x, int y, String)
- D.
(int x, String, int y)
- 20.This method literally paints graphical elements in an applet window
- A.
Start()
- B.
Init()
- C.
Draw()
- D.
Paint()
- 21.The class used to choose color to your drawings
- A.
SetColor()
- B.
Graphics
- C.
Color
- D.
Paint
- 22.The correct HTML tag for passing parameters to applet is:
- A.
- B.
- C.
- D.
- 23.On the given statement below, which of the following is the location below the upper left corner of the applet window? g.drawString (“Welcome to Java!”, 140, 50);
- A.
”Welcome to Java!”
- B.
140
- C.
50
- D.
None of these
- 24.Which of the following is the advantage of passing parameters to an applet
- A.
It avoids confusion in displaying strings in applet.
- B.
You would not need to change and recompile the applet every time you changed the messages.
- C.
You would not need to change your html code every time you changed the messages.
- D.
It makes your program a lot easier to manage than usual.
- 25.The following are methods in Applet class except:
- A.
Start()
- B.
Stop()
- C.
Destroy()
- D.
Wait()
- 26.This method literally paints graphical elements in an applet window
- A.
Start()
- B.
Init()
- C.
Draw()
- D.
Paint()
- 27.The _________class “knows” how to change colors and draw things on the screen.
- A.
Paint
- B.
Color
- C.
Draw
- D.
Graphics
- 28.The correct HTML tag for passing parameters to applet is:
- A.
- B.
- C.
- D.
- 29.Which of the following is the correct parameters of fillArc method
- A.
(int x, int y, int width, int height, int start angle, int size of angle)
- B.
(int x, int y, int width, int height, int size of angle, int end angle)
- C.
(int x, int y, int height, int width, int size of angle 1, int size of angle 2)
- D.
(int width, int height ,int x, int y, int size of angle 1, int size of angle 2)
- 30.Which of the following is the advantage of passing parameters to an applet
- A.
It avoids confusion in displaying strings in applet.
- B.
You would not need to change and recompile the applet every time you changed the messages.
- C.
You would not need to change your html code every time you changed the messages.
- D.
It makes your program a lot easier to manage than usual.
- 31.Which of the following is NOT TRUE regarding parameters of drawRect method?
- A.
You can specify whole numbers only
- B.
You can declare four parameters only
- C.
You can declare negative numbers
- D.
You can declare decimal values.
- 32.The _________class “knows” how to change colors and draw things on the screen.
- A.
Paint
- B.
Color
- C.
Draw
- D.
Graphics
- 33.To change the color of your drawings, you have to use the method __________.
- A.
GetColor()
- B.
ChangeColor()
- C.
SetColor()
- D.
InventColor()
- 34.Which of the following is the correct parameters of fillArc method
- A.
(int x, int y, int width, int height, int start angle, int size of angle)
- B.
(int x, int y, int width, int height, int size of angle, int end angle)
- C.
(int x, int y, int height, int width, int size of angle 1, int size of angle 2)
- D.
(int width, int height ,int x, int y, int size of angle 1, int size of angle 2)
- 35.To create series of lines in your applet, you have to use the method ________.
- A.
DrawLinear()
- B.
DrawBorder()
- C.
DrawLine()
- D.
FillLine()
- 36.Which of the following is NOT TRUE regarding parameters of drawRect method?
- A.
You can specify whole numbers only
- B.
You can declare four parameters only
- C.
You can declare negative numbers
- D.
You can declare decimal values.
- 37.The Component class has the following methods except:
- A.
SetBackground()
- B.
SetForeground()
- C.
SetFont()
- D.
SetAlignment()
- 38.To change the color of your drawings, you have to use the method __________.
- A.
GetColor()
- B.
ChangeColor()
- C.
SetColor()
- D.
InventColor()
- 39.Which of the following is NOT true regarding Button class
- A.
It provides a single line of text only.
- B.
You cannot change the font style.
- C.
You cannot change the font size.
- D.
You cannot include background image
- 40.To create series of lines in your applet, you have to use the method ________.
- A.
DrawLinear()
- B.
DrawBorder()
- C.
DrawLine()
- D.
FillLine()
- 41.Which of the following is NOT a Label constructor?
- A.
Label sample = new Label();
- B.
Label sample = new Label(“text of label”);
- C.
Label sample = new Label(“text of label”, Label.setText());
- D.
Label sample = new Label(“text of label”, Label.RIGHT);
- 42.The Component class has the following methods except:
- A.
SetBackground()
- B.
SetForeground()
- C.
SetFont()
- D.
SetAlignment()
- 43.It is the listener interface for receiving action events.
- A.
ActionEvent
- B.
ActionListener
- C.
ActionPerformed
- D.
ActionImplement
- 44.Which of the following is NOT true regarding Button class
- A.
It provides a single line of text only.
- B.
You cannot change the font style.
- C.
You cannot change the font size.
- D.
You cannot include background image
- 45.This method must be override once you implement an action listener class
- A.
AddActionListener
- B.
ActionPerformed
- C.
ActionEvent
- D.
ActionListener
- 46.Which of the following is NOT a Label constructor?
- A.
Label sample = new Label();
- B.
Label sample = new Label(“text of label”);
- C.
Label sample = new Label(“text of label”, Label.setText());
- D.
Label sample = new Label(“text of label”, Label.RIGHT);
- 47.It has four constructors that enable one to build the exact object that is needed.
- A.
Text class
- B.
Textlabel
- C.
Textarea
- D.
Textfield
- 48.The drawString() method is a member of the _____________class.
- A.
Graphics
- B.
String
- C.
Draw
- D.
Applet
- 49.It is the listener interface for receiving action events.
- A.
ActionEvent
- B.
ActionListener
- C.
ActionPerformed
- D.
ActionImplement
- 50.The method that places a value within a previously constructed Textfield is ________.
- A.
GetValue
- B.
SetText
- C.
FillText
- D.
SetValue
- 51.This method must be override once you implement an action listener class
- A.
AddActionListener
- B.
ActionPerformed
- C.
ActionEvent
- D.
ActionListener
- 52.The add() method ___________.
- A.
Adds two integers
- B.
Adds two numbers of any data type
- C.
Places a component within an Applet window screen
- D.
Places a value in a variable.
- 53.It has four constructors that enable one to build the exact object that is needed.
- A.
Text class
- B.
Textlabel
- C.
Textarea
- D.
Textfield
- 54.This method is used to manually change the location of the components
- A.
SetLocation()
- B.
GetLocation()
- C.
ChangeLocation()
- D.
Locate()
- 55.The drawString() method is a member of the _____________class.
- A.
Graphics
- B.
String
- C.
Draw
- D.
Applet
- 56.A Font object contains all of the following except ________
- A.
Language
- B.
Typeface
- C.
Style
- D.
Size
- 57.The method that places a value within a previously constructed Textfield is ________.
- A.
GetValue
- B.
SetText
- C.
FillText
- D.
SetValue
- 58.The constructor TextField(“4”) creates _________.
- A.
An unlabeled textfield
- B.
A textfield with a “4” in it.
- C.
A textfield four pixels wide
- D.
A textfield four characters wide
- 59.The add() method ___________.
- A.
Adds two integers
- B.
Adds two numbers of any data type
- C.
Places a component within an Applet window screen
- D.
Places a value in a variable.
- 60.This method is used to manually change the location of the components
- A.
SetLocation()
- B.
GetLocation()
- C.
ChangeLocation()
- D.
Locate()
- 61.A user might initiate any number of events in any order in ___________ program.
- A.
An event-driven
- B.
A procedural
- C.
A random
- D.
Any java
- 62.A Font object contains all of the following except ________
- A.
Language
- B.
Typeface
- C.
Style
- D.
Size
- 63.This method is used to manually change the size of the components
- A.
SetSize()
- B.
GetSize()
- C.
ChangeSize()
- D.
Resize()
- 64.The constructor TextField(“4”) creates _________.
- A.
An unlabeled textfield
- B.
A textfield with a “4” in it.
- C.
A textfield four pixels wide
- D.
A textfield four characters wide
- 65.Java applications and java applets are similar because both ______________.
- A.
Are compiled using the javac command.
- B.
Are executed using the java command
- C.
Are executed from within an HTML document
- D.
Have a main() method.
- 66.A user might initiate any number of events in any order in ___________ program.
- A.
An event-driven
- B.
A procedural
- C.
A random
- D.
Any java
- 67.The ending half of any HTML tag pair is preceded with a ___________.
- A.
Dot
- B.
Forward slash
- C.
Backslash
- D.
Colon
- 68.This method is used to manually change the size of the components
- A.
SetSize()
- B.
GetSize()
- C.
ChangeSize()
- D.
Resize()
- 69.The name of any applet called using CODE within an HTML document must use the _____________extension.
- A.
.exe
- B.
.code
- C.
.java
- D.
.class
- 70.Java applications and java applets are similar because both ______________.
- A.
Are compiled using the javac command.
- B.
Are executed using the java command
- C.
Are executed from within an HTML document
- D.
Have a main() method.
- 71.Labels and Buttons are __________.
- A.
Components
- B.
Containers
- C.
Siblings
- D.
Family
- 72.The ending half of any HTML tag pair is preceded with a ___________.
- A.
Dot
- B.
Forward slash
- C.
Backslash
- D.
Colon
- 73.A program that allows you to display HTML documents on your computer screen is a ____________.
- A.
Search engine
- B.
Compiler
- C.
Browser
- D.
Notepad
- 74.The name of any applet called using CODE within an HTML document must use the _____________extension.
- A.
.exe
- B.
.code
- C.
.java
- D.
.class
- 75.When an applet is registered as a listener with a button, if a user clicks the button, the method that executes is __________.
- A.
ButtonPressed()
- B.
AddActionListener()
- C.
Start()
- D.
ActionPerformed()
- 76.TextArea and TextField are both subclasses of _____________.
- A.
TextComponent
- B.
TextBox
- C.
Text
- D.
TextValue
- 77.Labels and Buttons are __________.
- A.
Components
- B.
Containers
- C.
Siblings
- D.
Family
- 78.Which of the following statements correctly creates a Font object?
- A.
Font aFont = new Font(“Helvetica”, Font.ITALIC, 20);
- B.
Font aFont = new Font(26, “Times New Roman”, Font.ITALIC);
- C.
Font aFont = new Font(Font.BOLD ,“Helvetica”, , 20);
- D.
Font aFont = new Font(18, Font.BOLD, “Comic Sans”);
- 79.A program that allows you to display HTML documents on your computer screen is a ____________.
- A.
Search engine
- B.
Compiler
- C.
Browser
- D.
Notepad
- 80.You can construct a new Color by providing 3 integers that represent ___________, ___________, and ____________ colors
- A.
Red, Orange, Green
- B.
Blue, Green, Yellow
- C.
Red, Green, Blue
- D.
Black, White and Blue
- 81.When an applet is registered as a listener with a button, if a user clicks the button, the method that executes is __________.
- A.
ButtonPressed()
- B.
AddActionListener()
- C.
Start()
- D.
ActionPerformed()
- 82.To create circles in your applet, you have to use the method ________.
- A.
DrawCircle()
- B.
DrawCircular()
- C.
DrawOval()
- D.
DrawArc()
- 83.TextArea and TextField are both subclasses of _____________.
- A.
TextComponent
- B.
TextBox
- C.
Text
- D.
TextValue
- 84.Which of the following will generate an error:
- A.
A drawRect method with 4 parameters.
- B.
A fillArc method with 6 parameters.
- C.
A drawArc method with 4 parameters
- D.
A fillRect method with 4 parameters
- 85.Which of the following statements correctly creates a Font object?
- A.
Font aFont = new Font(“Helvetica”, Font.ITALIC, 20);
- B.
Font aFont = new Font(26, “Times New Roman”, Font.ITALIC);
- C.
Font aFont = new Font(Font.BOLD ,“Helvetica”, , 20);
- D.
Font aFont = new Font(18, Font.BOLD, “Comic Sans”);
- 86.A window that is moved or covered is __________.
- A.
Destructed
- B.
Destroyed
- C.
Damaged
- D.
Overlapped
- 87.You can construct a new Color by providing 3 integers that represent ___________, ___________, and ____________ colors
- A.
Red, Orange, Green
- B.
Blue, Green, Yellow
- C.
Red, Green, Blue
- D.
Black, White and Blue
- 88.The distance values for drawRect are ________.
- A.
Measured in pixels
- B.
Measured in inches
- C.
In decimal places
- D.
In float type
- 89.To create circles in your applet, you have to use the method ________.
- A.
DrawCircle()
- B.
DrawCircular()
- C.
DrawOval()
- D.
DrawArc()
- 90.Applets are _______.
- A.
Stand-alone program
- B.
Web pages
- C.
Called from within another application
- D.
Written in HTML
- 91.Which of the following will generate an error:
- A.
A drawRect method with 4 parameters.
- B.
A fillArc method with 6 parameters.
- C.
A drawArc method with 4 parameters
- D.
A fillRect method with 4 parameters
- 92.A window that is moved or covered is __________.
- A.
Destructed
- B.
Destroyed
- C.
Damaged
- D.
Overlapped
- 93.It is used to make parts of the library available for used in the current program.
- A.
Public
- B.
Import
- C.
Implements
- D.
Package
- 94.The distance values for drawRect are ________.
- A.
Measured in pixels
- B.
Measured in inches
- C.
In decimal places
- D.
In float type
- 95.The applet can received the parameter values using the method ___________
- A.
GetParam()
- B.
GetParameter()
- C.
SetParam()
- D.
SetParameter()
- 96.Applets are _______.
- A.
Stand-alone program
- B.
Web pages
- C.
Called from within another application
- D.
Written in HTML
- 97.It is used to make parts of the library available for used in the current program.
- A.
Public
- B.
Import
- C.
Implements
- D.
Package
- 98.The applet can received the parameter values using the method ___________
- A.
GetParam()
- B.
GetParameter()
- C.
SetParam()
- D.
SetParameter()
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