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Create a tree-based implementation of a TreeBag class. Remember, the difference is that a bag allows duplicates.
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- What are the similarities and differences between a -HashSet and an ArrayList? Use the descriptions of Set, HashSet, List, and -ArrayList in the library documentation to find out, because HashSet is a -special case of a Set, and ArrayList is a special case of a ListImplement a CircularArray class that supports an array-like data structure whichcan be efficiently rotated. If possible, the class should use a generic type (also called a template), andshould support iteration via the standard for (Obj o : circularArray) notation.Explain with example The Updated Node Class for Adding Doubly Linked List Support.
- Please fill in the code gaps if possible. This problem has been giving me trouble. Any help is appreciated. public class Node { private String element; // we assume elements are character strings private Node next; /* Creates a node with the given element and next node. */ public Node(String s, Node n) { //fill in body } /* Returns the element of this node. */ public String getElement() { //fill in body } /* Returns the next node of this node. */ public Node getNext() { //fill in body } // Modifier methods: /* Sets the element of this node. */ public void setElement(String newElem) { //fill in body } /* Sets the next node of this node. */ public void setNext(Node newNext) { //fill in body } }To finish up the definition of the Node class, we need at least two constructor methods. We definitely want a default constructor that creates an emptyNode, with both the Element and Link members set to null. We also need aparameterized constructor that assigns data to the Element member and setsthe Link member to null.Write the code for the Node class:Write a Queue implementation that uses a circular linked list, which is the sameas a linked list except that no links are null and the value of last.next is first whenever the list is not empty. Keep only one Node instance variable
- Given the linked list data structure, implement a sub-class TSortedList that makes sure that elements are inserted and maintained in an ascending order in the list. So, given the input sequence {1,7,3,11,5}, when printing the list after inserting the last element it should print like 1, 3, 5, 7, 11. Note that with inheritance, you have to only care about the insertion situation as deletion should still be handled by the parent class.Can you help me with a C++ programming task I am trying to complete for myself please: Write a program (in main.cpp) that: Prompts the user for a filename containing node data. Outputs the minimal spanning tree for a given graph. You will need to implement the createSpanningGraph method in minimalSpanTreeType.h to create the graph and the weight matrix. There are a few tabs: main.cpp, graphType.h, linkedList.h, linkedQueue.h, queueADT.h, minimalSpanTreeType.h, and then two data files labeled: CH20_Ex21Data.txt, CH20Ex4Data.txtIn Java, Complete the incomplete method of ExpressionTree.java. The incomplete methods are private Node parsePrefix(Scanner input) // Required public void parseInfix(String string) // Optional public void parsePostfix(String string) // Optional Implementations of parseInfix and parsePostfix require use of a stack. Implementation of parsePrefix does not. Read all of the ExpressionTree.java file before starting your implementation, so that you see the helper methods that are provided and get an idea of the context for your implementation. Although not needed for your implementation, you should be sure you understand how the toStringPrefix, toStringInfix, and toStringPostfix methods work. Note: The main() method accepts a single String as its argument. The String should be a prefix, infix, or postfix mathematical expression with no characters other than operators (+, -, *, and /) and operands (single characters a-z). As written, the main() method calls parsePrefix() to create an…
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