Question 1

Write the statement to instruct a Graphics object named myGraphic to apply blue paint.

Accepted Answer

myGraphic.setColor(Color.BLUE);

Question 2

Describe what happens when a Swing component such as a JPanel calls the repaint() method.

Accepted Answer

When a Swing object such as a JPanel calls the repaint() method, it not only calls  paint() , it calls three other methods named paintComponent(), paintBorder(), and paintChildren() . Java's creators recommend that classes that extend Swing components should place all drawing code in a paintComponent() method that overrides the parent class version of the method.

Question 3

Which of the following is a gradual shift from one color at one coordinate point to a different color at a second coordinate point?

Accepted Answer

A)  color shift 
B)  gradient fill 
C)  fill pattern 
D)  cyclic fill 
A)  color shift 
B)  gradient fill 
C)  fill pattern 
D)  cyclic fill B

Question 4

Both Rectangle2D.Float and Rectangle2D.Double can be created using four arguments representing the x-coordinate, y-coordinate, width, and height.

Accepted Answer

A) True 
 B)False

Question 5

If the beginning and ending points used with the fillPolygon() method are ____, the two endpoints are connected by a straight line before the polygon is filled with color.

Accepted Answer

A)  connected 
B)  coordinate pairs 
C)  identical 
D)  not identical 
A)  connected 
B)  coordinate pairs 
C)  identical 
D)  not identical

Question 6

The ____ method draws what appears to be an empty rectangle.

Accepted Answer

A)  clearRect() 
B)  emptyRect() 
C)  fillRect() 
D)  drawRect() 
A)  clearRect() 
B)  emptyRect() 
C)  fillRect() 
D)  drawRect()

Question 7

The ____ method in the Graphics class allows you to draw a String on a JPanel or other component .

Accepted Answer

A)  drawString() 
B)  setFont() 
C)  drawLine() 
D)  setString() 
A)  drawString() 
B)  setFont() 
C)  drawLine() 
D)  setString()

Question 8

You don't usually call the paint() method directly; instead the ____ method calls the paint() method.

Accepted Answer

A)  destroy() 
B)  actionPerformed() 
C)  repaint() 
D)  super() 
A)  destroy() 
B)  actionPerformed() 
C)  repaint() 
D)  super()

Question 9

You specify 2D colors by using the ____ method.

Accepted Answer

A)  paint() 
B)  setPaint() 
C)  color() 
D)  setColor() 
A)  paint() 
B)  setPaint() 
C)  color() 
D)  setColor()

Question 10

System-triggered painting occurs when a program requests it, usually because the internal state of a component has changed.

Accepted Answer

A) True 
 B)False

Question 11

When a Swing object such as JPanel calls the repaint() method, it calls paint(), paintComponent(), paintBorder() , and which of the following?

Accepted Answer

A)  paintChildren() 
B)  paintSuper() 
C)  paintBody() 
D)  paintGraphic() 
A)  paintChildren() 
B)  paintSuper() 
C)  paintBody() 
D)  paintGraphic()

Question 12

You can use the ____ method to copy any rectangular area to a new location.

Accepted Answer

A)  copyRect() 
B)  copyArea() 
C)  copyGraphics() 
D)  addPoint() 
A)  copyRect() 
B)  copyArea() 
C)  copyGraphics() 
D)  addPoint()

Question 13

Write the statement to create an Arc2D.Float object named myArc at 20, 143, with a width of 50 and a height of 43; with a starting degree of 50, 140 degrees traveled; and using the class variable Arc2D.PIE .

Accepted Answer

Arc2D.Float myArc =

Question 14

What parameters does the copyArea() method require?

Accepted Answer

The x- and y-coordinates of th

Question 15

The ____________________ method returns an object of type Dimension , which specifies the width and height of the screen in pixels.

Accepted Answer

The answer of The ____________________ method returns an object of...

Question 16

You use the ____________________ method to draw a rectangle that appears to have "shadowing" on two of its edges and light "highlights" on two others.

Accepted Answer

The answer of You use the ____________________ method to draw...

Question 17

Write the statement to set the font of a Graphics object named myStyle to the font fancyFont .

Accepted Answer

myStyle.se

Question 18

What are the constructors for the Dimension class?

Accepted Answer

The Dimension class has three constructo

Question 19

You can improve the appearance of strings drawn using Graphics objects by using the ____________________ method.

Accepted Answer

The answer of You can improve the appearance of strings...

Question 20

The FontMetrics class methods return an integer value representing the font size in points, with one point measuring 1/72 of an inch.

Accepted Answer

A) True 
 B)False

Write the statement to instruct a Graphics object named myGraphic to apply blue paint.

Describe what happens when a Swing component such as a JPanel calls the repaint() method.

Which of the following is a gradual shift from one color at one coordinate point to a different color at a second coordinate point?

Both Rectangle2D.Float and Rectangle2D.Double can be created using four arguments representing the x-coordinate, y-coordinate, width, and height.

If the beginning and ending points used with the fillPolygon() method are ____, the two endpoints are connected by a straight line before the polygon is filled with color.

The ____ method draws what appears to be an empty rectangle.

The ____ method in the Graphics class allows you to draw a String on a JPanel or other component .

You don't usually call the paint() method directly; instead the ____ method calls the paint() method.

You specify 2D colors by using the ____ method.

System-triggered painting occurs when a program requests it, usually because the internal state of a component has changed.

When a Swing object such as JPanel calls the repaint() method, it calls paint(), paintComponent(), paintBorder() , and which of the following?

You can use the ____ method to copy any rectangular area to a new location.

Write the statement to create an Arc2D.Float object named myArc at 20, 143, with a width of 50 and a height of 43; with a starting degree of 50, 140 degrees traveled; and using the class variable Arc2D.PIE .

What parameters does the copyArea() method require?

The ____________________ method returns an object of type Dimension , which specifies the width and height of the screen in pixels.

You use the ____________________ method to draw a rectangle that appears to have "shadowing" on two of its edges and light "highlights" on two others.

Write the statement to set the font of a Graphics object named myStyle to the font fancyFont .

What are the constructors for the Dimension class?

You can improve the appearance of strings drawn using Graphics objects by using the ____________________ method.

The FontMetrics class methods return an integer value representing the font size in points, with one point measuring 1/72 of an inch.

Creating Java Programs

Using Data

Using Methods Classes and Objects

More Object Concepts

Making Decisions

Looping

Characters Strings and the Stringbuilder

Arrays

Advanced Array Concepts

Introduction to Inheritance

Advanced Inheritance Concepts

Exception Handling

File Input and Output

Introduction to Swing Components

Advanced Gui Topics

Filters

Exam 16: Graphics

Write the statement to instruct a Graphics object named myGraphic to apply blue paint.

Describe what happens when a Swing component such as a JPanel calls the repaint() method.

Which of the following is a gradual shift from one color at one coordinate point to a different color at a second coordinate point?

Both Rectangle2D.Float and Rectangle2D.Double can be created using four arguments representing the x-coordinate, y-coordinate, width, and height.

If the beginning and ending points used with the fillPolygon() method are ____, the two endpoints are connected by a straight line before the polygon is filled with color.

The ____ method draws what appears to be an empty rectangle.

The ____ method in the Graphics class allows you to draw a String on a JPanel or other component .

You don't usually call the paint() method directly; instead the ____ method calls the paint() method.

You specify 2D colors by using the ____ method.

System-triggered painting occurs when a program requests it, usually because the internal state of a component has changed.

When a Swing object such as JPanel calls the repaint() method, it calls paint(), paintComponent(), paintBorder() , and which of the following?

You can use the ____ method to copy any rectangular area to a new location.

Write the statement to create an Arc2D.Float object named myArc at 20, 143, with a width of 50 and a height of 43; with a starting degree of 50, 140 degrees traveled; and using the class variable Arc2D.PIE .

What parameters does the copyArea() method require?

The ____________________ method returns an object of type Dimension , which specifies the width and height of the screen in pixels.

You use the ____________________ method to draw a rectangle that appears to have "shadowing" on two of its edges and light "highlights" on two others.

Write the statement to set the font of a Graphics object named myStyle to the font fancyFont .

What are the constructors for the Dimension class?

You can improve the appearance of strings drawn using Graphics objects by using the ____________________ method.

The FontMetrics class methods return an integer value representing the font size in points, with one point measuring 1/72 of an inch.

Creating Java Programs

Using Data

Using Methods Classes and Objects

More Object Concepts

Making Decisions

Looping

Characters Strings and the Stringbuilder

Arrays

Advanced Array Concepts

Introduction to Inheritance

Advanced Inheritance Concepts

Exception Handling

File Input and Output

Introduction to Swing Components

Advanced Gui Topics

Filters