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DEVRY ECET 370 Week 7 Lab 7 Binary Trees

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ECET 370 Week 7 Lab 7 Binary Trees

Full set of lab with working programs.

Exercise 1: Lecture review: Binary Search Tree Create a project using the classes BinarySearchTree, Node, and Main in the DocSharing area labeled “The BST." Compile the project, run it, and review the code that is given carefully. These programs test the code discussed in our lecture.

Exercise 2: An improved BST class Modify the class BinarySearchTree so that it contains the toString method, instead of the display method that was given originally.

Exercise 3: Using a BST in an application Use a binary search tree to implement a dictionary that contains the keywords in the Java language. Test it. Note that you can use the programs from the previous exercises. For a list of the keywords in Java, visit http://java.sun.com/docs/books/tutorial/java/nutsandbolts/_keywords.html.

Exercise 4: Recursion and Binary Trees Write a recursive algorithm that counts the nodes in a binary search tree.

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DEVRY ECET 370 Week 5 Lab 5 Search Algorithms and Techniques

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General Instructions

Exercise 1 uses the programs in DocSharinglabeled “Search algorithms."

Exercise 1: Review of the Lecture Content Create a project using the ArrayList class and the Main class provided in DocSharing. The ArrayList class contains implementations of the first three search methods explained in this week’s lecture: sequential, sorted, and binary search. The Main class uses these three methods. These programs test the code discussed in the lecture. Compile the project, run it, and review the code that is given carefully.

Exercise 2: Search Algorithms and Techniques Expand the project developed in the previous exercise to perform the following experiment: time the three search methods several times each and record the results. Compare the running times of the three search methods (sequential search, sorted search, and binary search) which are obtained during the experiment. What conclusions can be drawn?

Exercise 3: Searching Applications Select one of the following two problems to solve: Problem 1: Design and implement an algorithm that determines whether or not a given array of elements, list1, is completely contained within another given array of elements, list2. Consider two different scenarios: 1) both arrays are sorted; 2) both arrays are unsorted. Problem 2: Design an algorithm that when given a collection of integers in an unsorted array, determines the second smallest number (or second minimum). For example, if the array consists of the values 12, 23, 9, 17, 3, the algorithm should report the value 9, since it is the second smallest number in the array. Write a function that receives an array as a parameter and returns the second smallest number. To test your function, write a program that populates an array with random numbers and then call your function. Exercise 4: Hashing Suppose that the type of key in a hashing application you are implementing is String (Sections 19.6 and 19.7 in our textbook explain hash functions for strings). Design, implement, and test a hash function that converts a key to a hash value. Assume that the size of the hash table is a prime number.

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DEVRY ECET 370 Week 4 Lab 4 Complexity of Computational Problems

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General Instructions

Exercise 1 uses the programs in DocSharinglabeled “Minimum," “Factorial,” and “Sorting algorithms."

Exercise 1: Review of the Lecture Contents Create projects using the classes in the DocSharing areas labeled “Minimum," “Factorial,” and “Sorting algorithms." Compile them, run them, and review the code that is given carefully. These programs test the code discussed in the lecture.

Exercise 2: Efficiency of Algorithms Problem 2 in the Section “Projects” at the end of Chapter 9 in the textbook: find a value of n for which Loop B is faster.

Exercise 3: Recursion Problem 1 in the Section “Projects” at the end of Chapter 10 in the textbook: recursive algorithm to find the square root of a given number.

Exercise 4: Sorting In this week’s lecture, the algorithms quicksort and bubblesort are described and implemented. In DocSharing, under the section labeled “Sorting algorithms," you can find the class ArrayList where these sorting algorithms are implemented. Write a Java program that times both of them for various values of n. Create a table to record the times. Regarding the efficiency of both sorting methods, what conclusion can be reached from this experiment? Note: You can probably save development time by using the program from Week 2 to generate a list of the 1000 smallest prime numbers (in random order). This list could then be used as the input to the sorting algorithms.

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DEVRY ECET 370 Week 3 Lab 3 Linked Lists

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General Instructions

Exercises 1, 2, and 3 use the programs in DocSharinglabeled “User-defined linked list."

Exercise 4 uses the programs in DocSharinglabeled “Using java.util.LinkedList."

Exercise 1: Review of Linked Lists Create a project using the classes in the DocSharing area labeled “User-defined linked list." Compile it, run it, and review the code that is given carefully. This code tests the LinkedList class provided in the lecture. Extend the class Main to test the functions isEmpty, search and remove of the class LinkedList.

Exercise 2: A User-Defined Linked List Modify the class LinkedList given in the lecture by adding to it the functions listed below for Exercise 2. In each case, the appropriate error message should be generated if an invalid condition occurs. a. toString(): modify the display function to overload the toString function of the Object class. b. int length(): create this function to determine the number of items in the list (accessor function). c. void clear(): create this function to remove all of the items from the list. After this operation is completed, the length of the list is zero. d. void insertEnd(int item): create this function to insert item at the end of the list. e. void replace(int location, int item): create this function to replace the item in the list at the position specified by location. The item should be replaced with item. f. int get(int location): create a function that returns the element at the position location.

Exercise 3: Using a Linked List This exercise is similar to Exercise 3 in Lab 2, but uses the LinkedList class implemented in Exercise 2 above. That is, using the class LinkedList, write a program that uses it to store 100 random numbers. Again, consider that each of these random numbers is an integer in the interval [0, 200]. Write the program in such a way that there are no number duplicates.

Exercise 4: Review of the Library Class java.util.LinkedList Create a project using the class in the DocSharing area labeled “Using java.util.LinkedList." Compile it, run it, and review the code that is given carefully. This code is the complete program given in our lecture that tests the library class java.util.LinkedList.

Exercise 5: Using the Library Class java.util.LinkedList Rewrite Exercise 3 (above) using the class java.util.LinkedList to store the 100 random numbers. 

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DEVRY ECET 370 Week 2 Lab 2

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 General Instructions Exercises 1, 2, and 3 use the programs in DocSharinglabeled “User-defined array list."

Exercise 4 uses the programs in DocSharinglabeled “Using java.util.ArrayList."

Exercise 1: Review of array-based lists Create a project using the classes in the DocSharing area labeled “User-defined array list." Compile it, run it, and review the code that is given carefully. This code tests the ArrayList class provided in the lecture.

Exercise 2: A user-defined array list Modify the class ArrayList given in the lecture by adding to it the functions listed below for Exercise 2. In each case, the appropriate error message should be generated if an invalid condition occurs. For example, an error message should be generated when trying to insert an item in a given location in the list and the location is out of range. a. ArrayList(int size): create a constructor that sets the size of the array list to the value passed in size (note that the class variable SIZE cannot be final anymore). b. int length(): create this function to determine the number of items in the list (accessor function). c. intgetSize(): create this function to determine the size of the list (accessor function). d. void clear(): create this function to remove all of the items from the list. After this operation, the length of the list is zero. e. void replace(int location, int item): create this function to replace the item in the list at the position specified by location. The item should be replaced with item. f. void insert(int location, int item): create this function to add an item to the list at the position specified by location. g. void remove(int item): create this function to delete an item from the list. All occurrences of item in the list should be removed. h. int get(int location): create a function that returns the element at location. i. public ArrayList copy(): create a function that makes a deep copy to another ArrayList object.

Exercise 3: Using an array-based list Using the class ArrayList completed in the previous exercise, write a program that uses it to store 100 random numbers. Consider that each of these random numbers is an integer in the interval [0, 200]. Write the program in such a way that there are no number duplicates.

Exercise 4: Review of the library class java.util.ArrayList Create a project using the classes in the DocSharing area labeled “Using java.util.ArrayList." Compile it, run it, and review the code that is given carefully. This code is the complete program given in our lecture that tests the library class java.util.ArrayList.

Exercise 5: Using the library class java.util.ArrayList Rewrite Exercise 3 (above) using the class java.util.ArrayList to store the 100 random numbers.

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DEVRY ECET 370 Week 1 Lab 1

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 General Instructions

Exercises 1, 2, 4, and 5 use the programs in DocSharinglabeled “User-defined classes."

Exercises 7 and 8 use the programs in DocSharinglabeled “Using interfaces."

Exercise 1: Review of classes Create a project using the classes in the DocSharing area labeled “User-defined classes." Compile it, run it, and review the code that is given carefully.

Exercise 2: User-defined methods The function area of the Triangle class is the framework of the actual method. Modify it so that it calculates the area of the triangle. Write a Main class to test your area method. Note: to calculate the area of a triangle from the vertices, first find the distances between each pair of vertices to obtain the length of the sides of the triangle. Then apply Heron’s formula to calculate the area given the length of the sides.

Exercise 3: Shallow versus deep copy Provide an example of shallow copy of objects and an example of deep copy of objects.

Exercise 4: Passing parameters to methods Write a function that swaps two Point objects. Use the code given below: import java.util.*; public class Main { public Main() { Scanner Scanner(System.in); System.out. print("Enter x and y coordinates of first point: "); Point Point (in.nextDouble(), in.nextDouble()); System.out. print("Enter x and y coordinates of second point: "); Point Point (in.nextDouble(), in.nextDouble()); swap(p1, p2); System.out.println(" Compile it, run it, and review the code that is given carefully. Note: The class Point implements the Comparable interface. The Comparable interface contains a single method: compareTo, which is used to compare two objects p and q of the same class type. When calling p.compareTo(q), it returns an integer. If this value is negative it means that p is smaller; if it is equal to zero then , and if the value is positive, it indicates that p is greater than q.

Exercise 8: Implementation of interfaces Using the class Point in the DocSharing area labeled “Using interfaces," write an application that declares an array of Points, fills the array with random points, and finds the smallest point in the array.  Related Tutorials

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DEVRY ECET 370 Entire Course

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 ECET 370 Week 1 Lab 1

ECET 370 Week 2 Lab 2

ECET 370 Week 3 Lab 3 Linked Lists

ECET 370 Week 4 Lab 4 Complexity of Computational Problems

ECET 370 Week 5 Lab 5 Search Algorithms and Techniques

ECET 370 Week 7 Lab 7 Binary Trees

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UOP CRT 205 Week 9 Final Project Comprehensive Argument Analysis

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 Final Project: Comprehensive Argument Analysis The Opposing Viewpoints Resource Center database at the University Library provides a wealth of arguments to which you can apply your critical thinking skills. Find this database by logging into to the Library and selecting the  Article Databases—Specialized link. From the results page, scroll down to select the Opposing Viewpoints Resource Center link.

Resources: Appendix A, Appendix E, and the University Library·

Due Date: Day 7 [Individual forum]·

Choose two topics from the Opposing Viewpoints Resource· Center that interest you and locate a set of materials from the database for each topic. If you choose school violence as one of your topics, for example, you might find a magazine article that argues that violence in the media causes school violence and a Web site that persuasively argues that violence in the media is not responsible for school violence.

Conduct a similar search for your second topic. When· finished, you should have two sources per topic. Note: You may use sources from any combination of the Viewpoints, Magazines, Academic Journals, News (use sources marked Editorial and Column), and Web sites database sections.

Use the form in Appendix E to critically analyze your four sources. Fill out one form for each source.·

Provide the title of the source.

o  Provide the source citation. Locate the citation by clicking on the Source Citation link at the top of the page when viewing the source.

o  Identify the principal issue presented by the source.

o  Identify any examples of bias presented by the author. If none exist, explain how you determined this.

o  Identify any areas that are vague or ambiguous. If none exist, explain how you determined this.

o  Do you find the source credible? Explain your reasoning.

o  Identify and name any rhetorical devices used by the author. If none exist, explain how you determined this.

o  Identify and name any fallacies used by the author. If none exist, explain how you determined this.

o  State one argument made by the author.

o  Identify the premises and conclusion of the argument.

o  Is the author’s argument valid or invalid, sound or unsound, strong or weak? Explain how you determined this.

o  Does the author use moral reasoning? If not, explain how you determined this.

Post Appendix E a·

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UOP CRT 205 Week 9 Capstone Checkpoint

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Capstone CheckPoint

Answer the following questions in a 100- to 200-word response. Cover each bullet point in your answer.·

o  In the future, how will thinking critically influence the ways that you:  Read?·  Write?·  Process information?·

o  Why and how could you apply critical thinking when evaluating each of the following:  Articles·  Advertising·  Media·  Conversations·

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UOP CRT 205 Week 8 Exercise Review Quizzes Chapter 12

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 Exercise: Review Quizzes (Chapter 12)

 Due Date: Day 5 [Individual forum] ·

Resource: Review Quiz Tutorial

 Complete the following Review Quiz at http://www.mhhe.com/criticalthinking8·

 Copy and paste your quiz results to a Microsoft ® Word document.·

 Post the document as an attachment.·

 Moral Reasoning Quiz I·Ch. 12  

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UOP CRT 205 Week 8 DQ 1 And DQ 2

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 DQ 1 - Describe a time when your moral values influenced the way you responded to an issue. What differences did you notice between your logical reasoning process and your moral reasoning process? What were the possible consequences or outcomes of your decision?

DQ 2 - State your stance on the Terri Schiavo case, and identify the moral value judgment that influenced you to choose your stance. An example of a stance is, •Terri Schiavo should have been allowed to live, despite her persistent vegetative state.– An example of a moral value judgment is, •No person’s death should be decided by another—people should die naturally. An example of moral relativism could be that American culture accepts many religious standpoints, making it difficult for its citizens to agree on the religious morality of the issue brought to light by Terri Schiavo and her family.

Moore and Parker (2007) define utilitarianism as the belief that •…if an individual can feel pleasure and pain, then he or she deserves moral consideration (p. 425). Consider that many proponents of both sides of the Shiavo case thought they had Terri’s best interests in mind—a moral consideration. Discuss with your classmates how moral relativism and utilitarianism apply to this issue.

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UOP CRT 205 Week 7 Checkpoint Argument Validity

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 CheckPoint 1: Argument Validity  Resources: Ch. 7 and the Answers, Suggestions, and Tips for Triangle Exercises section of Critical Thinking  Due Date: Day 3 [Individual forum].  Complete Exercise 7-9 on pp. 236-237 of the text.

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UOP CRT 205 Week 7 Assignment Argument Evaluation

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 Assignment: Argument Evaluation

Resource: Appendix 1 of Critical Thinking

Due Date: Day 7 [Individual forum]  Read the article “Controlling Irrational Fears After 9/11” on pp. 456-458 of Appendix 1.

Identify at least two arguments in the article. Outline the premises and conclusions of each argument you find. Then, answer the following questions for each argument,making sure to explain how you arrived at your answers.

o Do the premises sufficiently support the conclusions?

o Are the arguments either deductively valid or inductively strong, or are they invalid or weak?

o Are the premises true or plausibly true, or are they difficult to prove?

Note that you may choose to evaluate invalid or weak arguments as long as you describe how they are invalid or weak.

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UOP CRT 205 Week 6 Exercise Review Quizzes (Ch 7)

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 CRT 205 Week 6 Exercise Review Quizzes (Ch 7)

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UOP CRT 205 Week 6 DQ 1 And DQ 2

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 DQ 1 - View the Vacuum Sales digital story located on aXcess for Week Six. Of the two arguments provided in this example, which is valid and which is sound? When you are building an argument for an issue that is significant to you, do you think it is more important to be valid or sound? Explain your answer. Resource Required   Vacuum Salesdigital story   Grading Guide   A deductive argument can be valid even when one of its premises is false. A sound deductive argument contains true premises and a true conclusion.   The two arguments provided in the digital story are as follows:   Voice of Man Speaking for Salesman   “Anyone who wants a comfortable, clean home needs this amazing vacuum cleaner. You certainly look like someone who likes having a really clean home. So, you definitely need this vacuum cleaner!” (A valid deductive argument)   Voice of Man Speaking for Wife:   “Honey, our carpets are clean and we already have a working vacuum cleaner, so we don’t need a new one!” (A sound deductive argument)

 DQ 2 - Imagine your child is trying to prove that she did not steal chocolate chip cookies from the cookie jar, so she makes this argument: “There are no chocolate stains on my hands, so I couldn’t have stolen the cookies.”    Postyour response to the following: Does this example require deductive or inductive logic? What are the premises? Are the premises stated or unstated? What is the argument’s conclusion? In your opinion, is this a convincing argument? Why or why not?   Grading Guide   Through discussion students should determine the following: The example requires inductive logic. The premises are that there are no chocolate stains on the child’s hands, and that chocolate on one’s hands is an indication of having handled chocolate chip cookies. The first premise is stated and the second premise is unstated. The conclusion is, “…so I couldn’t have stolen the cookies.”   Students should state their opinions regarding whether or not they believe the argument is persuasive.

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UOP CRT 205 Week 5 Checkpoint Identifying Fallacies Checkpoint

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CheckPoint: Identifying Fallacies Resource: Ch. 6 End-of-Chapter Exercises and the Answers, Suggestions, and Tips for Triangle Exercises section of Critical Thinking

Complete Exercise 6-6 on pp. 194-196 of Critical Thinking. You are not required to complete questions displaying a triangle () symbol.

Copy and paste the question numbers and answers into the body of a post.

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UOP CRT 205 Week 5 Assignment Categorizing Fallacies

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 Assignment: Categorizing Fallacies

Resources: Appendix 2: The Top Ten Fallacies of All Time, Ch. 5 & 6 of Critical Thinking, and Appendix C

Due Date: Day 7 [Individual forum]

Complete the fallacy matrix in Appendix C.

Post Appendix C as an attachment.