Computer Science In java Output should look like this: PreOrder: 1 2 5 6 9 InOrder: 1 2 5 6 9 Postorder: 9 6 5 2 1 BreadthFirst: 1 2 5 6 9
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Computer Science
In java
Output should look like this:
PreOrder:
1 2 5 6 9
InOrder:
1 2 5 6 9
Postorder:
9 6 5 2 1
BreadthFirst:
1 2 5 6 9
Step by step
Solved in 3 steps with 3 images
- The program, word_frequency, counts the number of occurrences of words in a document. The program takes a filename as a parameter and performs the task. Get the program to run using the attached text file called document.txt. The file contains a piece of text. After you run the program and understand it's logic, modify word_frequency.py to use a binary search tree instead of a dictionary. Tasks: 1. Import a binary search tree 2. Change the filename in the program to reflect the change(s) made Python Only and no other coding languages. Import the module first before running it. Please show output when done. (build off of this file and try not to change too much) word_frequency.py: import sysfilename = sys.argv[1] freq = {}for piece in open(filename).read().lower().split():# only consider alphabetic characters within this pieceword = ''.join(c for c in piece if c.isalpha())if word: # require at least one alphabetic character freq[word] = 1 +…The program, word_frequency, counts the number of occurrences of words in a document. The program takes a filename as a parameter and performs the task. Get the program to run using the attached text file called sonet18.txt. The file contains William Shakespeare sonet18. After you run the program and understand it's logic, modify word_frequency.py to use a binary search tree instead of a dictionary. Tasks: 1. Import a binary search tree 2. Change the filename in the program to reflect the change(s) made Python Only and no other coding languages. Import the module first before running it. Please show output when done. word_frequency.py: import sysfilename = sys.argv[1] freq = {}for piece in open(filename).read().lower().split():# only consider alphabetic characters within this pieceword = ''.join(c for c in piece if c.isalpha())if word: # require at least one alphabetic character freq[word] = 1 + freq.get(word, 0) max_word = ''max_count = 0for (w,c) in…Computer Science You want to save a binary search tree into a file. which traversal you will use so that you can restore the original binary search tree? Group of answer choices Preorder Inorder Postorder
- Create some code to see how well the Java HuffmanTree class performs. The programme will have to parse a text and generate a frequency table of characters from that document. Once the table is constructed, a Huffman code tree is made, and the file's code is represented by a string of '0' and '1' characters. Then, using that string as a template, re-generate the original file's contents, and print them.Write an application to test the HuffmanTree class. Your application will need to read a text fileand build a frequency table for the characters occurring in that file. Once that table is built, createa Huffman code tree and then a string consisting of '0' and '1' digit characters that represents the code string for that file. Read that string back in and re‐create the contents of the original fileThe programming language is Python Instructions: Create a function that will delete a node in a Linked List based on position number. On below example, if you want to delete position #2, it will remove the Banana (arrangement of nodes below is Apple, Banana, Cherry, Grapes, Orange). myLinkedList = LinkedList() myLinkedList.append("Banana") myLinkedList.append("Cherry") myLinkedList.append("Grapes") myLinkedList.append("Orange") myLinkedList.prepend("Apple") myLinkedList.deleteByPositionNum(2) node = myLinkedList.head while node: print(node.value, " ") node = node.next_node You may start with the function head:def deleteByPositionNum(self, positionNum):
- Create a Huffman code tree and a string of '0' and '1' characters to represent that file's code string after building that table. Read that string again and print the actual file's contents.Write a Java program that creates and maintains a binary search tree (BST) whose nodes are studentrecords. Each student record (BST node) contains the student’s id (String), name (String) and GPA(float). Use the student id as a key for the BST. The program starts with an empty BST and offers thefollowing menu options to the user repeatedly until the user selects the ‘Q’ option (quit). A: Add a new student record to the BST.Here the user is prompted to enter the new student’s id, name and GPA. The program shoulddisplay an error message if the student id already exists in the BST. F: Find a student record. Here the user is prompted to enter the id of the student to be searched. If found the programdisplays the student id, name and GPA, otherwise the program displays an error message. D: Delete a student record. Here the user is prompted to enter the id of the student record to be deleted. The program shoulddisplay an error message if the student id is not found in the BST.Write a Java program that creates and maintains a binary search tree (BST) whose nodes are studentrecords. Each student record (BST node) contains the student’s id (String), name (String) and GPA(float). Use the student id as a key for the BST. The program starts with an empty BST and offers thefollowing menu options to the user repeatedly until the user selects the ‘Q’ option (quit). A: Add a new student record to the BST.Here the user is prompted to enter the new student’s id, name and GPA. The program shoulddisplay an error message if the student id already exists in the BST. B: Find a student record. Here the user is prompted to enter the id of the student to be searched. If found the programdisplays the student id, name and GPA, otherwise the program displays an error message.
- Fix the main file errors. public void Insert(int newItem) { Node parent = null; Node newNode = new Node(newItem); Node current = root; while (current != null) { parent = current; if (newNode.item < current.item) { current = current.Left; } else { current = current.Right; } } if (root == null) { root = newNode; } else { if (newNode.item < parent.item) { parent.Left = newNode; } else { parent.Right = newNode; } } } private int getHeight(){ return findHeight(root); } private int findHeight(Node root){ if(root==null){ return 0; } int leftHeight = findHeight(root.Left); int rightHeight = findHeight(root.Right); return Math.max(leftHeight,rightHeight)+1; } private int getLargestKey(){…When is a graph a tree? Write a program that will read from a file specified on the command line and determine from the graph's adjacency matrix whether or not it is a tree. Example: Ja.out graph.txt Output: The graph is a tree! Contents of graph.txt will be something like this: 5 01000 10111 01000 01000 01000Empty list. Inserting a node with data 5 updates which pointers? Head and tail O Tail