Syntax to draw a line: To draw a line, use the object of “Line2D.Double” and this class fixes the co-ordinates for the circle based on the “x” and “y” co-ordinates of the endpoints. Consider the following code to construct a line, //Draw a line using the object “lin1” Line2D.Double lin1=new Line2D.Double(x1, y1, x2, y2); Explanation: In the above code, the “Line2D.Double” represents that there are two class names “Line2D” and “Double” which is separated by period (.) symbol and it passes four co-ordinates namely “x1”, “y1”, “x2”, and “y2”. Next, using the graphics object “g2”, call draw()method to draw the line using the corresponding object used for line segment. Another method is to create the object for each endpoint and use the “Point2D” class to represent the line; the following is the syntax, //Draw a line using the object in point class Point2D.Double from_pt=new Point2D.Double(x1, y1); Point2D.Double to_pt=new Point2D.Double(x2, y2);

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Answer 1

Question

Chapter 2.10, Problem 46SC

Program Plan Intro

Syntax to draw a line:

To draw a line, use the object of “Line2D.Double” and this class fixes the co-ordinates for the circle based on the “x” and “y” co-ordinates of the endpoints.

Consider the following code to construct a line,

//Draw a line using the object “lin1”

Line2D.Double lin1=new Line2D.Double(x1, y1, x2, y2);

Explanation:

In the above code, the “Line2D.Double” represents that there are two class names “Line2D” and “Double” which is separated by period (.) symbol and it passes four co-ordinates namely “x1”, “y1”, “x2”, and “y2”.

Next, using the graphics object “g2”, call draw()method to draw the line using the corresponding object used for line segment.

Another method is to create the object for each endpoint and use the “Point2D” class to represent the line; the following is the syntax,

//Draw a line using the object in point class

Point2D.Double from_pt=new Point2D.Double(x1, y1);

Point2D.Double to_pt=new Point2D.Double(x2, y2);

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Answer 2

Question

Chapter 2.10, Problem 46SC

Program Plan Intro

Syntax to draw a line:

To draw a line, use the object of “Line2D.Double” and this class fixes the co-ordinates for the circle based on the “x” and “y” co-ordinates of the endpoints.

Consider the following code to construct a line,

//Draw a line using the object “lin1”

Line2D.Double lin1=new Line2D.Double(x1, y1, x2, y2);

Explanation:

In the above code, the “Line2D.Double” represents that there are two class names “Line2D” and “Double” which is separated by period (.) symbol and it passes four co-ordinates namely “x1”, “y1”, “x2”, and “y2”.

Next, using the graphics object “g2”, call draw()method to draw the line using the corresponding object used for line segment.

Another method is to create the object for each endpoint and use the “Point2D” class to represent the line; the following is the syntax,

//Draw a line using the object in point class

Point2D.Double from_pt=new Point2D.Double(x1, y1);

Point2D.Double to_pt=new Point2D.Double(x2, y2);

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Answer 3

Question

Chapter 2.10, Problem 46SC

Program Plan Intro

Syntax to draw a line:

To draw a line, use the object of “Line2D.Double” and this class fixes the co-ordinates for the circle based on the “x” and “y” co-ordinates of the endpoints.

Consider the following code to construct a line,

//Draw a line using the object “lin1”

Line2D.Double lin1=new Line2D.Double(x1, y1, x2, y2);

Explanation:

In the above code, the “Line2D.Double” represents that there are two class names “Line2D” and “Double” which is separated by period (.) symbol and it passes four co-ordinates namely “x1”, “y1”, “x2”, and “y2”.

Next, using the graphics object “g2”, call draw()method to draw the line using the corresponding object used for line segment.

Another method is to create the object for each endpoint and use the “Point2D” class to represent the line; the following is the syntax,

//Draw a line using the object in point class

Point2D.Double from_pt=new Point2D.Double(x1, y1);

Point2D.Double to_pt=new Point2D.Double(x2, y2);

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Answer 4

Question

Chapter 2.10, Problem 46SC

Program Plan Intro

Syntax to draw a line:

To draw a line, use the object of “Line2D.Double” and this class fixes the co-ordinates for the circle based on the “x” and “y” co-ordinates of the endpoints.

Consider the following code to construct a line,

//Draw a line using the object “lin1”

Line2D.Double lin1=new Line2D.Double(x1, y1, x2, y2);

Explanation:

In the above code, the “Line2D.Double” represents that there are two class names “Line2D” and “Double” which is separated by period (.) symbol and it passes four co-ordinates namely “x1”, “y1”, “x2”, and “y2”.

Next, using the graphics object “g2”, call draw()method to draw the line using the corresponding object used for line segment.

Another method is to create the object for each endpoint and use the “Point2D” class to represent the line; the following is the syntax,

//Draw a line using the object in point class

Point2D.Double from_pt=new Point2D.Double(x1, y1);

Point2D.Double to_pt=new Point2D.Double(x2, y2);

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Answer 5

Chapter 2.10, Problem 46SC

Program Plan Intro

Syntax to draw a line:

To draw a line, use the object of “Line2D.Double” and this class fixes the co-ordinates for the circle based on the “x” and “y” co-ordinates of the endpoints.

Consider the following code to construct a line,

//Draw a line using the object “lin1”

Line2D.Double lin1=new Line2D.Double(x1, y1, x2, y2);

Explanation:

In the above code, the “Line2D.Double” represents that there are two class names “Line2D” and “Double” which is separated by period (.) symbol and it passes four co-ordinates namely “x1”, “y1”, “x2”, and “y2”.

Next, using the graphics object “g2”, call draw()method to draw the line using the corresponding object used for line segment.

Another method is to create the object for each endpoint and use the “Point2D” class to represent the line; the following is the syntax,

//Draw a line using the object in point class

Point2D.Double from_pt=new Point2D.Double(x1, y1);

Point2D.Double to_pt=new Point2D.Double(x2, y2);

Answer 6

Chapter 2.10, Problem 46SC

Program Plan Intro

Syntax to draw a line:

To draw a line, use the object of “Line2D.Double” and this class fixes the co-ordinates for the circle based on the “x” and “y” co-ordinates of the endpoints.

Consider the following code to construct a line,

//Draw a line using the object “lin1”

Line2D.Double lin1=new Line2D.Double(x1, y1, x2, y2);

Explanation:

In the above code, the “Line2D.Double” represents that there are two class names “Line2D” and “Double” which is separated by period (.) symbol and it passes four co-ordinates namely “x1”, “y1”, “x2”, and “y2”.

Next, using the graphics object “g2”, call draw()method to draw the line using the corresponding object used for line segment.

Another method is to create the object for each endpoint and use the “Point2D” class to represent the line; the following is the syntax,

//Draw a line using the object in point class

Point2D.Double from_pt=new Point2D.Double(x1, y1);

Point2D.Double to_pt=new Point2D.Double(x2, y2);

Answer 7

Chapter 2.10, Problem 46SC

Program Plan Intro

Syntax to draw a line:

To draw a line, use the object of “Line2D.Double” and this class fixes the co-ordinates for the circle based on the “x” and “y” co-ordinates of the endpoints.

Consider the following code to construct a line,

//Draw a line using the object “lin1”

Line2D.Double lin1=new Line2D.Double(x1, y1, x2, y2);

Explanation:

In the above code, the “Line2D.Double” represents that there are two class names “Line2D” and “Double” which is separated by period (.) symbol and it passes four co-ordinates namely “x1”, “y1”, “x2”, and “y2”.

Next, using the graphics object “g2”, call draw()method to draw the line using the corresponding object used for line segment.

Another method is to create the object for each endpoint and use the “Point2D” class to represent the line; the following is the syntax,

//Draw a line using the object in point class

Point2D.Double from_pt=new Point2D.Double(x1, y1);

Point2D.Double to_pt=new Point2D.Double(x2, y2);

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 2.1 - In Java, objects are grouped into classes...Ch. 2.1 - Some light bulbs use a glowing filament, others...Ch. 2.1 - Prob. 3SC Ch. 2.2 - What is wrong with the following variable...Ch. 2.2 - Prob. 5SC Ch. 2.2 - Prob. 6SC Ch. 2.2 - Prob. 7SC Ch. 2.2 - Prob. 8SC Ch. 2.2 - Prob. 9SC Ch. 2.2 - Prob. 10SC

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