Monkey face and hand in JavaFX Application Program Plan: • Import required package. • Define “enum” class for monkey hand position. • Define “drawMonkeyFace” class. ○ Initializes required variables. ○ Define main function. ○ Define “drawFace” method with argument of “GraphicsContext” object, “at_XBase”, “at_YBase” and “HandPosition” object. ■ Invoke “strokeOval” method for object “gContext”. ■ Compute the monkey ear width, height and offset to draw the monkey ear. ■ Invoke “strokeOval” method for object “gContext”. ■ Compute the monkey eye width, height and offset to draw the monkey eye. ■ Invoke “strokeOval” method for object “gContext”. ■ Compute the monkey mouth width, height and offset to draw the monkey mouth. ■ Invoke “strokeArc” for object “gContext” which is used to draw arc. ■ Declare required variables for hand offset. ■ Check location of hand using “switch” case. • If the case is “MONKEY_MOUTH”, then compute hand offset for “X” and “Y” and then call “drawMonkeyHand” method. • If the case is “MONKEY_EYE”, then compute hand offset for “X” and “Y” and then call “drawMonkeyHand” method. • If the case is “MONKEY_EAR”, then compute hand offset for “X” and “Y” and then call “drawMonkeyHand” method. ○ Define “drawMonkeyHand” method with argument of “GraphicsContext” object, “at_XBase” and “at_YBase”. ■ Compute palm width and height. ■ Invoke “fillOval” method for object “gContext”. ■ Compute finger width, height of monkey and offset. ■ Invoke “fillOval” method for object “gContext”. ○ Define “start” method. ■ Create an object “rt” from “Group” class. ■ Create an object “s” from “Scene” class. ■ Create an object “ca” from “Canvas” class. ■ Create object for “GraphicsContext” class. ■ Draw monkey ear by calling method “drawFace”. ■ Set the font by using the method “setFont”. ■ Set text for first monkey face by using method “fillText”. ■ Draw monkey eye by calling method “drawFace”. ■ Set text for second monkey face by using method “fillText”. ■ Draw monkey mouth by calling method “drawFace”. ■ Set text for third monkey face by using method “fillText”. ■ Set title for given program. ■ Call “setScene” method for stage. ■ Display the all pics by using method “show”.

Question

Suppose that the two Rank methods below are added to the Skip List class on Blackboard. public int Rank(T item) Returns the rank of the given item. public T Rank(int i) Returns the item with the given rank i. Requirements 1. Describe in a separate Design Document what additional data is needed and how that data is used to support an expected time complexity of O(log n) for each of the Rank methods. Show as well that the methods Insert and Remove can efficiently maintain this data as items are inserted and removed. (7 marks) 2. Re-implement the methods Insert and Remove of the Skip List class to maintain the augmented data in expected O(log n) time. Using the Contains method, ensure that added items are distinct. (6 marks) 3. Implement the two Rank methods. (8 marks) 4. Test your new methods thoroughly. Include your test cases and results in a Test Document. (4 marks)

Answer 1

Question

Chapter 5, Problem 12PP

Program Plan Intro

Monkey face and hand in JavaFX Application

Program Plan:

• Import required package.

• Define “enum” class for monkey hand position.

• Define “drawMonkeyFace” class.

○ Initializes required variables.

○ Define main function.

○ Define “drawFace” method with argument of “GraphicsContext” object, “at_XBase”, “at_YBase” and “HandPosition” object.

■ Invoke “strokeOval” method for object “gContext”.

■ Compute the monkey ear width, height and offset to draw the monkey ear.

■ Invoke “strokeOval” method for object “gContext”.

■ Compute the monkey eye width, height and offset to draw the monkey eye.

■ Invoke “strokeOval” method for object “gContext”.

■ Compute the monkey mouth width, height and offset to draw the monkey mouth.

■ Invoke “strokeArc” for object “gContext” which is used to draw arc.

■ Declare required variables for hand offset.

■ Check location of hand using “switch” case.

• If the case is “MONKEY_MOUTH”, then compute hand offset for “X” and “Y” and then call “drawMonkeyHand” method.

• If the case is “MONKEY_EYE”, then compute hand offset for “X” and “Y” and then call “drawMonkeyHand” method.

• If the case is “MONKEY_EAR”, then compute hand offset for “X” and “Y” and then call “drawMonkeyHand” method.

○ Define “drawMonkeyHand” method with argument of “GraphicsContext” object, “at_XBase” and “at_YBase”.

■ Compute palm width and height.

■ Invoke “fillOval” method for object “gContext”.

■ Compute finger width, height of monkey and offset.

■ Invoke “fillOval” method for object “gContext”.

○ Define “start” method.

■ Create an object “rt” from “Group” class.

■ Create an object “s” from “Scene” class.

■ Create an object “ca” from “Canvas” class.

■ Create object for “GraphicsContext” class.

■ Draw monkey ear by calling method “drawFace”.

■ Set the font by using the method “setFont”.

■ Set text for first monkey face by using method “fillText”.

■ Draw monkey eye by calling method “drawFace”.

■ Set text for second monkey face by using method “fillText”.

■ Draw monkey mouth by calling method “drawFace”.

■ Set text for third monkey face by using method “fillText”.

■ Set title for given program.

■ Call “setScene” method for stage.

■ Display the all pics by using method “show”.

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