Java programming question Need help with question: C 8.47 C 8.47: To implement the preorder method of the AbstractTree class, we relied on the convenience of creating a snapshot. Reimplement a preorder method that creates a lazy iterator. (See Section 7.4.2 for discussion of iterators
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Java
Need help with question: C 8.47
C 8.47: To implement the preorder method of the AbstractTree class, we relied on the convenience of creating a snapshot. Reimplement a preorder method that creates a lazy iterator. (See Section 7.4.2 for discussion of iterators.)
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- Create a class “Node” which is a single node of a singly linked list. The node stores an integer datatype. The class has two data members, an integer and pointer to the same Node class.Implement the following methods:1. The default constructor: Set value of the data member to zero2. A parameterized constructor: Node(int a); takes an integer variable and assigns it to the data member of this object. Set next pointer to NULL.3. Node* GetNextPointer() const; Retun next pointer of this Node4. void SetNextPointer(Node *ptr); Set the next pointer of this node to the ptr that is passed to the function.5. void SetData(int a); Set data of this node equal to ‘a’6. int GetData() const; returns the data of this object.The data member are private whereas the methods are public. part 4 5 and 6 In c++.Create a class “Node” which is a single node of a singly linked list. The node stores an integer datatype. The class has two data members, an integer and pointer to the same Node class. Implement the following methods:1. The default constructor: Set value of the data member to zero2. A parameterized constructor: Node(int a); takes an integer variable and assigns it to the data member of this object. Set next pointer to NULL.3. Node* GetNextPointer() const; Retun next pointer of this Node4. void SetNextPointer(Node *ptr); Set the next pointer of this node to the ptr that is passed to the function.5. void SetData(int a); Set data of this node equal to ‘a’6. int GetData() const; returns the data of this object.The data member are private whereas the methods are public.java Create a Storage<T> abstract class. The class has abstract methods void print() which prints the object of the storage. The class has a non-abstract method add(T element) which adds the not-null element in the storage if the element is not already present. Create a class MyStorage which is a subclass of Storage.
- Java Objects and Linked Data: Select all of the following statements that are true. The Java Class Library's class ArrayList implements the LinkedList interface. In Java, when one reference variable is assigned to another reference variable, both references then refer to the same object. In Java, the "equals"-method that any object inherits can be overwritten to compare objects field by field.Java Code: Create a Parser class. Much like the Lexer, it has a constructor that accepts a LinkedList of Token and creates a TokenManager that is a private member. The next thing that we will build is a helper method – boolean AcceptSeperators(). One thing that is always tricky in parsing languages is that people can put empty lines anywhere they want in their code. Since the parser expects specific tokens in specific places, it happens frequently that we want to say, “there HAS to be a “;” or a new line, but there can be more than one”. That’s what this function does – it accepts any number of separators (newline or semi-colon) and returns true if it finds at least one. Create a Parse method that returns a ProgramNode. While there are more tokens in the TokenManager, it should loop calling two other methods – ParseFunction() and ParseAction(). If neither one is true, it should throw an exception. bool ParseFunction(ProgramNode) bool ParseAction(ProgramNode) -Creates ProgramNode,…Part – 3 (Abstract Class and Interface) Consider the Class that you designed in Part#1 of this project and do the following:1. Implement the Comparable and Cloneable interface for your class.2. The Test class should create 5 instances (objects) of your class.3. Store these instances in Array and ArrayList4. Show the demo of sorting these objects stored in Array and ArrayList Include the below in your project report: 1. Screenshot of relevant (Comparable and Cloneable) outputs.2. Code for all classes. part1: Part 1) CODE import java.util.ArrayList; import java.util.Arrays; import java.util.List; class Person { private String fName; private String lName; private String gender; private boolean isHungry; public Person() { fName = "John"; lName = "Doe"; gender = "Male"; isHungry = false; } public Person(String fName, String lName, String gender, boolean isHungry) { this.fName = fName; this.lName = lName;…
- Java code object Oriented; How to write a code of instance method type void with parameter of "Component component" that adds component into array. Using above method, how to code an instance method of type Component[] without parameter that returns new array with component that was added into array.Write the definitions of the member functions of the classes arrayListType and unorderedArrayListType that are not given in this chapter. The specific methods that need to be implemented are listed below. Implement the following methods in arrayListType.h: isEmpty isFull listSize maxListSize clearList Copy constructor Implement the following method in unorderedArrayListType.h insertAt Also, write a program (in main.cpp) to test your function.Computer Science Write a program in the Java language that includes: 1. A class for books, taking into account the encapsulation and getter, setter. 2. Entering books by the user using Scanner 3. LinkedList class for: (Adding a new book - Inserting a book- Searching for a book using the ISBN Number - Viewing all books,delete book). 4. Serial number increases automatically with each book that is entered. 5. Printing the names of books is as follows: Serial - ISBN - Name - PubYear - Price - Notes. 6-Design a main menu that includes: • Add Book • Insert Book • Delete Book • Search . Display . Exit
- Computer Science There are clearly some similarities in the implementations of Taxi and Shuttle that suggest use of inheritance to represent them. Introducing inheritance is the primary task of this assessment. -The Ezcab class, The Ezcab class maintains separate lists of taxis and shuttles and destinations with destination fares (you can hardcode destination fares). It has a lookup method that searches for a taxi/shuttle with a given ID. -The Taxi and Shuttle classes share some common attributes – location and destination. They also have some common methods – getLocation, getDestination, getStatus and setDestination. -Vehicle is the superclass of both Taxi and Shuttle. This class involves placing the common fields and methods into Vehicle and removing them from Taxi and Shuttle. -Modify Taxi and Shuttle class to indicate that it is a subclass of Vehicle. You can keep the id field in Vehicle class and getId,SetId methods. -Arrange for Taxi's constructor to call the constructor of…Indications:Person is an abstract class containing the abstract method Print().In Teacher and Student the method print() will print the information of either Teacher or Student.Write the class university corresponding to the following UML diagram. It contains three attributes.Tab is an array of Person. sizeTab is the size of Tab. The attribute n represents the number of elements added to the tab. When the tab is empty n is equal to 0.The constructor University(sizeTab) will initialize the different attributes and allocate the memory to the array Tab.addPerson(p:Person) will add the new person to Tab. The method printAll() will print all the information of the Persons inside Tab.Write the main method. Create three Teacher and three Student and add them to University Object and print them all.Declare and implement 5 classes: FloatArray, SortedArray, FrontArray, PositiveArray & NegativeArray. 1- The FloatArray class stores a dynamic array of floats and its size. It has:- A parameterized constructor that takes the array size. - An add method that adds a float at the end of the array.- Overloading for the insertion operator << to write the array to afile (ofstream)- Overloading for the extraction operator >> to read the array elements from the file (ifstream) and add them to the array.- A destructor to deallocate the array2- The SortedArray inherits from FloatArray. It has:- A parameterized constructor that takes the array size. - An add method that adds a float at the right place in the arraysuch that the array remains sorted with every add. Don’t add to the array then sort but rather add in the right place.3- The FrontArray inherits from FloatArray. It has:- A parameterized constructor that takes the array size. - An add method that adds a float at the front…