H-tree fractal Program Plan: Import required packages. Declare a main class named “E35” which extends the “Application” class. Declare a “start ()” method which overrides the “start ()” method in the “Application” class. Inside this method, Create a pane and a text field. Set the action listener for the text field. Set the value of the property. Set the text field at the bottom right. Create a label and add the text field object to the pane. Create a border pane. Create a scene and place it on the stage. Set the title as “Exercise18_35”. Display the stage on the window using “primaryStage.show()” method. Set the width and height property. Declare a class named “HPane”. Declare a variable. Give function definition to set new order. Set the order of the tree. Call the function “paint ()”. Give function definition for “paint ()”. Calculate the width and height. Calculate the length. Clear the pane using “clear ()” method. Call the function “displayHTree ()”. Give function definition for “displayHTree ()”. Choose four end points. Create three lines. Check if the value of “treeOrder” is greater than 0. Call the function recursively. Declare a main method using “public static main”. Launch the method using “launch ()” method.

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Chapter 18, Problem 18.35PE

Program Plan Intro

H-tree fractal

Program Plan:

Import required packages.

Declare a main class named “E35” which extends the “Application” class.

Declare a “start ()” method which overrides the “start ()” method in the “Application” class. Inside this method,

Create a pane and a text field.

Set the action listener for the text field.

Set the value of the property.

Set the text field at the bottom right.

Create a label and add the text field object to the pane.

Create a border pane.

Create a scene and place it on the stage.

Set the title as “Exercise18_35”.

Display the stage on the window using “primaryStage.show()” method.

Set the width and height property.

Declare a class named “HPane”.

Declare a variable.

Give function definition to set new order.

Set the order of the tree.

Call the function “paint ()”.

Give function definition for “paint ()”.

Calculate the width and height.

Calculate the length.

Clear the pane using “clear ()” method. Call the function “displayHTree ()”.

Give function definition for “displayHTree ()”.

Choose four end points.

Create three lines.

Check if the value of “treeOrder” is greater than 0.

Call the function recursively.

Declare a main method using “public static main”.

Launch the method using “launch ()” method.

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