Draw a detailed clock Program Plan: Import required packages. Define the main class “E27” that extends the “Application” class. The method “start ()” overrides the start method in the “Application” class. Create a clock pane Create a string to display the time. Add the created string to the label. Create a border pane and set it to center. Set the label at the bottom. Create a scene and place it on the stage. Display the stage using “show ()” method. Define the “main ()” method. Launch the application. Create a class “DetailedClockPane” that extends Pane. Declare required parameters for the clock. Define the constructor with no parameters. Get the current time. Define the constructor with three parameters. Set the hour, minute and second. Use accessors and mutators methods to get and set the hour, minute and seconds. Set the current hour, minute and seconds inside the function “setCurrentTime ()”. Finally call the function “paintClock ()”. Give function definition for “paintClock ()”. Initialize the clock parameters. Create a circle using “new Circle ()”. Set the color and stroke color for the circle. Set the length to draw second’s hand. Draw the second hand by creating a line using “new Line ()”. Set the stroke color. Set the length to draw minute’s hand. Draw the minute hand by creating a line using “new Line ()”. Set the stroke color. Set the length to draw hour’s hand. Draw the hour hand by creating a line using “new Line ()”. Set the stroke color. Now, clear the pane using “clear ()” method. Add the circle and three lines to the pane. Add more details to the clock. Use “for” loop to display hours on the clock. Give function definition for “setWidth ()” to set width. Set the width of the pane. Call the function “paintClock ()”. Give function definition for “setHeight ()” to set height. Set the height of the pane. Call the function “paintClock ()”.

Question

(See attached photo) Please explain the flow of finding the exact running time of the program. The attached photo's answer is already correct only explanation is needed.

Answer 1

Question

Chapter 14, Problem 14.27PE

Program Plan Intro

Draw a detailed clock

Program Plan:

Import required packages.

Define the main class “E27” that extends the “Application” class.

The method “start ()” overrides the start method in the “Application” class.

Create a clock pane

Create a string to display the time.

Add the created string to the label.

Create a border pane and set it to center.

Set the label at the bottom.

Create a scene and place it on the stage.

Display the stage using “show ()” method.

Define the “main ()” method.

Launch the application.

Create a class “DetailedClockPane” that extends Pane.

Declare required parameters for the clock.

Define the constructor with no parameters.

Get the current time.

Define the constructor with three parameters.

Set the hour, minute and second.

Use accessors and mutators methods to get and set the hour, minute and seconds.

Set the current hour, minute and seconds inside the function “setCurrentTime ()”.

Finally call the function “paintClock ()”.

Give function definition for “paintClock ()”.

Initialize the clock parameters.

Create a circle using “new Circle ()”.

Set the color and stroke color for the circle.

Set the length to draw second’s hand.

Draw the second hand by creating a line using “new Line ()”.

Set the stroke color.

Set the length to draw minute’s hand.

Draw the minute hand by creating a line using “new Line ()”.

Set the stroke color.

Set the length to draw hour’s hand.

Draw the hour hand by creating a line using “new Line ()”.

Set the stroke color.

Now, clear the pane using “clear ()” method.

Add the circle and three lines to the pane.

Add more details to the clock.

Use “for” loop to display hours on the clock.

Give function definition for “setWidth ()” to set width.

Set the width of the pane.

Call the function “paintClock ()”.

Give function definition for “setHeight ()” to set height.

Set the height of the pane.

Call the function “paintClock ()”.

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