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Create a class TrafficLightViewer, then write the main() method to draw a traffic light as shown below: The rectangle has the default color, Color.BLACK, its upper-left conner is at (50, 20), its width is 20 and height is 60. The three circles has different colors, Color.RED, Color. YELLOW and Color.GREEN, from the top. The circles have the same radius and will touch the sides of the

Create a class TrafficLightViewer, then write the main() method to draw a traffic light as shown below: The rectangle has the default color, Color.BLACK, its upper-left conner is at (50, 20), its width is 20 and height is 60. The three circles has different colors, Color.RED, Color. YELLOW and Color.GREEN, from the top. The circles have the same radius and will touch the sides of the

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Create a class TrafficLightViewer, then write the main() method to draw a traffic light as shown below: The rectangle has the default color, Color.BLACK, its upper-left conner is at (50, 20), its width is 20 and height is 60. The three circles has different colors, Color.RED, Color. YELLOW and Color.GREEN, from the top. The circles have the same radius and will touch the sides of the rectangle and each other. Create Ellipse objects with the same width and height to get the circles, then call method setColor() to get the required color before calling method fill(). For the rectangle, you don't need to call method setColor(), since it has the default color, but you need to call method draw() instead of method fill(). You should figure out the locations and radius of circles before writing the code. You can use magic numbers for the locations and sizes for the rectangle and the circles, but must use the pre-defined color constants Color.RED, Color.YELLOW and Color.GREEN.
Transcribed Image Text:Create a class TrafficLightViewer, then write the main() method to draw a traffic light as shown below: The rectangle has the default color, Color.BLACK, its upper-left conner is at (50, 20), its width is 20 and height is 60. The three circles has different colors, Color.RED, Color. YELLOW and Color.GREEN, from the top. The circles have the same radius and will touch the sides of the rectangle and each other. Create Ellipse objects with the same width and height to get the circles, then call method setColor() to get the required color before calling method fill(). For the rectangle, you don't need to call method setColor(), since it has the default color, but you need to call method draw() instead of method fill(). You should figure out the locations and radius of circles before writing the code. You can use magic numbers for the locations and sizes for the rectangle and the circles, but must use the pre-defined color constants Color.RED, Color.YELLOW and Color.GREEN.
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