Control a group of fans Program Plan: Declare the class “stopwatch” extends “Application”. Method Definition for “start() ” Create an object for class “Time”. Create an object for “Text”. Create an object for “Timeline”. Call the method “increase()”. Set the text. Activate the timeline. Create an object for “HBox”. Create an object for start and clear“Button”. Activate the start button. Check whether the state of the button equals to “Start”. Set the text. Activate the “play()”. Check whether the state of the button equals to “Pause”. Set the text. Activate the “pause()”. Check whether the state of the button equals to “Resume”. Set the text. Activate the “play()”. Activate the clear button Set the text. Activate “pause()”. Set the text “Start”. Set the font. Create an object for “BorderPane()”. Set the “h1” to “p1”. Create an object “sc” for scene. Set the stage title. Place the scene in the stage. Using the “show()” to display the stage. Method definition for main class. Call the “launch()”. Definition for “getSecond()” method. Return the calculated value. Definition for “getMinute()” method. Return the calculated value. Definition for “getHour()” method. Return the calculated value. Definition for “reset()” method. Set the “val” to “0”. Definition for “increase()” method. Increment the value of “val”. Definition for “toString()” method. Get the hour, minute and second. Definition for “getTwodigit()”. Check whether the “val” is less than “10”. Return the value of “val”.

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Chapter 16, Problem 16.20PE

Program Plan Intro

Control a group of fans

Program Plan:

Declare the class “stopwatch” extends “Application”.

Method Definition for “start() ”

Create an object for class “Time”.

Create an object for “Text”.

Create an object for “Timeline”.

Call the method “increase()”.

Set the text.

Activate the timeline.

Create an object for “HBox”.

Create an object for start and clear“Button”.

Activate the start button.

Check whether the state of the button equals to “Start”.

Set the text.

Activate the “play()”.

Check whether the state of the button equals to “Pause”.

Set the text.

Activate the “pause()”.

Check whether the state of the button equals to “Resume”.

Set the text.

Activate the “play()”.

Activate the clear button

Set the text.

Activate “pause()”.

Set the text “Start”.

Set the font.

Create an object for “BorderPane()”.

Set the “h1” to “p1”.

Create an object “sc” for scene.

Set the stage title.

Place the scene in the stage.

Using the “show()” to display the stage.

Method definition for main class.

Call the “launch()”.

Definition for “getSecond()” method.

Return the calculated value.

Definition for “getMinute()” method.

Return the calculated value.

Definition for “getHour()” method.

Return the calculated value.

Definition for “reset()” method.

Set the “val” to “0”.

Definition for “increase()” method.

Increment the value of “val”.

Definition for “toString()” method.

Get the hour, minute and second.

Definition for “getTwodigit()”.

Check whether the “val” is less than “10”.

Return the value of “val”.

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