Question 1

If you want to change graphic output on a panel in response to a user's mouse click, you would place a call to ____ in the actionPerformed() method.

Accepted Answer

A)  paint() 
B)  paintComponent() 
C)  paintBorder() 
D)  repaint() 
A)  paint() 
B)  paintComponent() 
C)  paintBorder() 
D)  repaint()

Question 2

In Java, whether a paint request is triggered by the system or an application, a Component's paint() method is invoked.

Accepted Answer

A) True 
 B)False

Question 3

A rectangle created with the clearRect() method is not transparent.

Accepted Answer

A) True 
 B)False

Question 4

You can instantiate an empty Polygon object using which of the following statements?

Accepted Answer

A)  Polygon someFutureShape = new Polygon(0,0,0,0); 
B)  Polygon someFutureShape = new Polygon(); 
C)  Polygon someFutureShape = new Polygon(0); 
D)  Polygon someFutureShape = new Polygon(xPoints, yPoints, xPoints.length); 
A)  Polygon someFutureShape = new Polygon(0,0,0,0); 
B)  Polygon someFutureShape = new Polygon(); 
C)  Polygon someFutureShape = new Polygon(0); 
D)  Polygon someFutureShape = new Polygon(xPoints, yPoints, xPoints.length);

Question 5

How do you use the drawOval() method to draw an oval?

Accepted Answer

It is possible to draw an oval using the

Question 6

____ is the amount of space between the bottom of the descent of one line and the top of the characters in the successive line of type.

Accepted Answer

A)  Descent 
B)  Ascent 
C)  Leading 
D)  Height of a line 
A)  Descent 
B)  Ascent 
C)  Leading 
D)  Height of a line

Question 7

You can discover the fonts that are available on your system by using the ____ method.

Accepted Answer

A)  searchFonts() 
B)  findFonts() 
C)  findAllFonts() 
D)  getAvailableFontFamilyNames() 
A)  searchFonts() 
B)  findFonts() 
C)  findAllFonts() 
D)  getAvailableFontFamilyNames()

Question 8

When using the drawRoundRect() method, if you assign ____ to the arc coordinates, the rectangle is not rounded; instead, the corners are square.

Accepted Answer

A)  -1 
B)  0 
C)  10 
D)  99 
A)  -1 
B)  0 
C)  10 
D)  99

Question 9

Why would a programmer use the repaint() method?

Accepted Answer

You don't usually call the paint() metho

Question 10

To create an arc object named halfArc that looks like the top half of a circle, which of the following statements can you use to produce identical results to this statement? halfArc.drawArc(x, y, w, h, 0, 180); .

Accepted Answer

A)  halfArc.drawArc(x, y, w, h, 180, 0); 
B)  halfArc.drawArc(x, y, w, h, 180, -180); 
C)  halfArc.drawArc(x, y, w, h, -180, 180); 
D)  fillArc.drawArc(x, y, w, h, 180, -180); 
A)  halfArc.drawArc(x, y, w, h, 180, 0); 
B)  halfArc.drawArc(x, y, w, h, 180, -180); 
C)  halfArc.drawArc(x, y, w, h, -180, 180); 
D)  fillArc.drawArc(x, y, w, h, 180, -180);

Question 11

The ____ method creates a solid arc.

Accepted Answer

A)  solidArc() 
B)  fillArc() 
C)  clearArc() 
D)  drawArc() 
A)  solidArc() 
B)  fillArc() 
C)  clearArc() 
D)  drawArc()

Question 12

The ____ method requires four arguments and draws the outline of a rectangle using the current drawing color.

Accepted Answer

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

Question 13

import javax.swing.*; 
import java.awt.*; 
import java.awt.Color; 
public class JDemo3DRectangles extends JPanel 
{ 
   @Override 
   public void paint(Graphics gr) 
   { 
      super.paint(gr); 
      final int WIDTH = 60, HEIGHT = 80; 
      gr.setColor(Color.PINK); 
      gr.fill3DRect(20, 40, WIDTH, HEIGHT, true); 
      gr.fill3DRect(100, 40, WIDTH, HEIGHT, false); 
   } 
   public static void main(String[] args) 
   { 
      JFrame frame = new JFrame(); 
      frame.add(new JDemo3DRectangles());; 
      frame.setSize(200, 180); 
      frame.setVisible(true); 
   } 
} 
The highlighted code above creates two filled 3D rectangles. Describe how the color of the rectangles is set, and explain the five arguments that are used to draw the rectangles.

Accepted Answer

The fill3DRect() method is used for crea

Question 14

Match between columns
                        Premises: A portion of a circle's circumference
To paint or display a drawing
A geometric figure with straight sides
A gradual shift from one color to a different color
Measures the height of an uppercase character from a baseline to the top
A line-drawing feature in Java 2D that represents a single movement
A fill pattern in which a shift between colors occurs repeatedly
The act of redisplaying a surface
Measures the part of characters that "hang below" the baseline

Accepted Answer

The Answer of cyclic gradient and render and ascent and is...

Question 15

You can instruct a Graphics object named g to produce green output by using which of the following statements?

Accepted Answer

A)  g.makeColor(Color.GREEN); 
B)  g.makeColor(GREEN.Color); 
C)  g.setColor(Color.GREEN); 
D)  g.setColor( GREEN. Color); 
A)  g.makeColor(Color.GREEN); 
B)  g.makeColor(GREEN.Color); 
C)  g.setColor(Color.GREEN); 
D)  g.setColor( GREEN. Color);

Question 16

What are the three arguments the BasicStroke constructor takes?

Accepted Answer

A float value representing the

Question 17

A rectangle is drawn with the following statement: 
tool.drawRect(50, 50, 100, 60); 
An oval is drawn with the following statement: 
tool.drawOval(50, 50, 100, 60); 
Describe the resulting output, and describe how the four arguments are used to draw the objects.

Accepted Answer

The output will appear with the oval edg

Question 18

The drawPolygon() method requires four arguments, two integer arrays, and two single integers.

Accepted Answer

A) True 
 B)False

Question 19

Write the statement to create a Rectangle2D.Float object named myRect at 20, 20 with a width of 80 and height of 50.

Accepted Answer

Rectangle2D.Float my

Question 20

In the drawPolygon() method, what are the three arguments and what values do they represent?

Accepted Answer

The drawPolygon() method requires three

If you want to change graphic output on a panel in response to a user's mouse click, you would place a call to ____ in the actionPerformed() method.

In Java, whether a paint request is triggered by the system or an application, a Component's paint() method is invoked.

A rectangle created with the clearRect() method is not transparent.

You can instantiate an empty Polygon object using which of the following statements?

How do you use the drawOval() method to draw an oval?

____ is the amount of space between the bottom of the descent of one line and the top of the characters in the successive line of type.

You can discover the fonts that are available on your system by using the ____ method.

When using the drawRoundRect() method, if you assign ____ to the arc coordinates, the rectangle is not rounded; instead, the corners are square.

Why would a programmer use the repaint() method?

To create an arc object named halfArc that looks like the top half of a circle, which of the following statements can you use to produce identical results to this statement? halfArc.drawArc(x, y, w, h, 0, 180); .

The ____ method creates a solid arc.

The ____ method requires four arguments and draws the outline of a rectangle using the current drawing color.

You can instruct a Graphics object named g to produce green output by using which of the following statements?

What are the three arguments the BasicStroke constructor takes?

A rectangle is drawn with the following statement: tool.drawRect(50, 50, 100, 60); An oval is drawn with the following statement: tool.drawOval(50, 50, 100, 60); Describe the resulting output, and describe how the four arguments are used to draw the objects.

The drawPolygon() method requires four arguments, two integer arrays, and two single integers.

Write the statement to create a Rectangle2D.Float object named myRect at 20, 20 with a width of 80 and height of 50.

In the drawPolygon() method, what are the three arguments and what values do they represent?

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

If you want to change graphic output on a panel in response to a user's mouse click, you would place a call to ____ in the actionPerformed() method.

In Java, whether a paint request is triggered by the system or an application, a Component's paint() method is invoked.

A rectangle created with the clearRect() method is not transparent.

You can instantiate an empty Polygon object using which of the following statements?

How do you use the drawOval() method to draw an oval?

____ is the amount of space between the bottom of the descent of one line and the top of the characters in the successive line of type.

You can discover the fonts that are available on your system by using the ____ method.

When using the drawRoundRect() method, if you assign ____ to the arc coordinates, the rectangle is not rounded; instead, the corners are square.

Why would a programmer use the repaint() method?

To create an arc object named halfArc that looks like the top half of a circle, which of the following statements can you use to produce identical results to this statement? halfArc.drawArc(x, y, w, h, 0, 180); .

The ____ method creates a solid arc.

The ____ method requires four arguments and draws the outline of a rectangle using the current drawing color.

You can instruct a Graphics object named g to produce green output by using which of the following statements?

What are the three arguments the BasicStroke constructor takes?

A rectangle is drawn with the following statement: tool.drawRect(50, 50, 100, 60); An oval is drawn with the following statement: tool.drawOval(50, 50, 100, 60); Describe the resulting output, and describe how the four arguments are used to draw the objects.

The drawPolygon() method requires four arguments, two integer arrays, and two single integers.

Write the statement to create a Rectangle2D.Float object named myRect at 20, 20 with a width of 80 and height of 50.

In the drawPolygon() method, what are the three arguments and what values do they represent?

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