Please answer these multiple choice questions 1) The new operator:
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Please answer these multiple choice questions
1) The new operator:
allocates memory
is used to create an object of a class
associates an object with a variable that names it.
All of the above.
Answer:
2) A method that performs some action other than returning a value is called a __________ method.
null
void
public
private
Answer:
3) The body of a method that returns a value must contain at least one _________ statement.
void
invocation
thows
return
Answer:
4) A variable whose meaning is confined to an object of a class is called:
instance variable
local variable
global variable
none of the above
Answer:
5) A variable whose meaning is confined to a method definition is called an/a
instance variable
local variable
global variable
none of the above
Answer:
6) In Java, a block is delimited by:
( )
/* */
“ “
{ }
Answer:
7) In Java, call-by-value is only used with:
objects
primitive types
this
all of the above
Answer:
8) The parameter this refers to
instance variables
local variables
global variables
the calling object
Answer:
9) When the parameters in a method have the same as instance variables you can differentiate them by using the _____ parameter.
String
hidden
default
this
Answer:
10) Skip
11) Skip
12) Java has a way of officially hiding details of a class definition. To hide details, you mark them as _________.
public
protected
private
all of the above
Answer
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- 2. The MyInteger Class Problem Description: Design a class named MyInteger. The class contains: n [] [] A private int data field named value that stores the int value represented by this object. A constructor that creates a MyInteger object for the specified int value. A get method that returns the int value. Methods isEven () and isOdd () that return true if the value is even or odd respectively. Static methods isEven (int) and isOdd (int) that return true if the specified value is even or odd respectively. Static methods isEven (MyInteger) and isOdd (MyInteger) that return true if the specified value is even or odd respectively. Methods equals (int) and equals (MyInteger) that return true if the value in the object is equal to the specified value. Implement the class. Write a client program that tests all methods in the class.Java program Overview In this task, you will try to create a class called Course and a test class that creates objects of the Course class. The purpose is to teach you to write classes, create objects of classes and call public methods on the created object. Task Write a class that represents a course given here at San University. The class must contain information about the course course code, name, number of credits and a description. This should be stored as instance variables in the class. Use English names for all variables and methods. All instance variables must use the String class as the data type. The instance variables may only be accessible within the own class. It must be possible to set new values for all instance variables in the class. This must be implemented with public set methods for all instance variables. There should also be a method that prints all information about the course on the screen in a "nice" and structured way. You must also write a "test class"…Data structure & Algorithum java program Write a class name month. The class should have an int field named monthNumber that holds the number of the month. For example, January would be 1, February would be 2, etc. The class should also have appropriate constructors and getter / setter methods. There should also be a getMonthName that returns the name of the month corressponding to the month number. Also include exception code when a number less than 1 or greater than 12 is given in the constructor and/ or the set method. Demonstrate the classess and catching the exception in a program, such as Month Test. Display appropriate information to the user if an erro occurs.
- Please help with the following: C# .NET change the main class so that the user is the one that as to put the name a driver class that prompts for the person’s data input, instantiates an object of class HealtProfile and displays the patient’s information from that object by calling the DisplayHealthRecord, method. MAIN CLASS---------------------- static void Main(string[] args) { // instance of patient record with each of the 4 parameters taking in a value HeartRates heartRate = new HeartRates("James", "Kill", 1988, 2021); heartRate.DisplayPatientRecord(); // call the method to display The Patient Record } CLASS HeartRATES------------------- class HeartRates { //class attributes private private string _First_Name; private string _Last_Name; private int _Birth_Year; private int _Current_Year; // Constructor which receives private parameters to initialize variables public HeartRates(string First_Name, string Last_Name, int Birth_Year, int Current_Year) { _First_Name = First_Name;…Complete the following tasks: Design a class named StockTransaction that holds a stock symbol (typically one to four characters), stock name, and price per share. Include methods to set and get the values for each data field. Create the class diagram and write the pseudocode that defines the class. Design an application that declares two StockTransaction objects and sets and displays their values. Design an application that declares an array of 10 StockTransactionobjects. Prompt the user for data for each object, and then display all the values. Design an application that declares an array of 10 StockTransactionobjects. Prompt the user for data for each object, and then pass the array to a method that determines and displays the two stocks with the highest and lowest price per share.classname.py -> using "sys.argv" ● Create a program called classname.py. The program should define a class called person that has one method called hello, and one attribute called name, which represents the name of the person. ● The hello method should print the following string to the screen: ‘My name is ____ and I am a _____’ where: ○ The first blank should be the name attribute ○ The second blank should be the name of the class ○ The above blanks should NOT be manually printed (ex. print(‘My name is Greg and I am a person’)) ● After defining the class, there are three things you must do: 1. Instantiate an object of the class 2. Run the hello method of the instantiated object a. (e.g., Greg.hello()) 3. For grading purposes, you must also print the name of the class so I can be sure you’ve created a class a. (The expected output is )
- A. Car Class Create a Python Program where you write a class named Car that has the following data attributes: • _ _year_model (for the car's year model) • __make (for the make of the car) • _ _speed (for the car's current speed) The Car class should have an _init_ method that accepts the car's year model and make as arguments. These values should be assigned to the object's _year_model and make data attributes. It should also assign 0 to the __speed data attribute. The class should also have the following methods: accelerate() The accelerate method should add 5 to the speed data attribute each time it is called. brake() The brake method should subtract 5 from the speed data attribute each time it is called. • get_speed() The get_speed method should return the current speed. Next, design a program that creates a Car object then calls the accelerate method five times. After each call to the accelerate method, get the current speed of the car and display it. Then call the brake method…Java Program Fleet class- reading from a file called deltafleet.txt-Using file and Scanner Will be creating a file called newfleet.txt Instance Variables:o An array that stores Aircraft that represents Delta Airlines entire fleeto A variable that represents the count for the number of aircraft in the fleet• Methods:o Constructor- One constructor that instantiates the array and sets the count to zeroo readFile()- This method accepts a string that represents the name of the file to beread. It will then read the file. Once the data is read, it should create an aircraft andthen pass the vehicle to the addAircraft method. It should not allow any duplicationof records. Be sure to handle all exceptions.o writeFile()- This method accepts a string that represents the name of the file to bewritten to and then writes the contents of the array to a file. This method shouldcall a sort method to sort the array before writing to it.o sortArray()- This method returns a sorted array. The array is…In Python: Write a class named Pet, which should have the following data attributes: _ _name (for the name of a pet) _ _animal_type (for the type of animal that a pet is. Example values are 'Dog','Cat', and 'Bird') _ _age (for the pets age) The Pet class should have an _ _init_ _ method that creates these attributes. It should also have the following methods: set_nameThis method assigns a value to the _ _name field set_animal_typeThis method assigns a value to the _ _animal_type field set_ageThis method assignsa value to the _ _age field get_nameThis method assignsa value to the _ _name field get_animal_typeThis method assignsa value to the _ _animal_type field get_ageThis method assignsa value to the _ _age field Once you have written the class, write a program that creates an object of the class and prompts the user to enter the name, type and age of his or her pet. This data should be stored as the objects attributes. Use the objects accessor methods to retrieve the pets…
- True/ False 1- Class objects can be defined prior to the class declaration. 2- You must use the private access specification for all data members of a class. 3- If an array is partially initialized, the uninitialized elements will be set to zero. 4- A vector object automatically expands in size to accommodate the items stored in it. 5- With pointer variables, you can access but not modify data in other variables. 6- Assuming myValues is an array of int values and index is an int variable, both of the following statements do the same thing. 1. cout header file. 15- To solve a problem recursively, you must identify at least one case in which the problem can be solved without recursion.C# Program Create program that computes student average Requirements:1. Use inheritance2. Use exception handling if applicable3. Create a class student4. Use the constructor method to collect the student information: name, math, science and english grade (User should be able to input student info)5. Create a method that computes the average6. Create another method that outputs (similarly to) the ff. when calledName: AnnaMath: 92Science: 92English: 92Average: 927. Instantiate a Student object and utilize the defined methods.Complete the following tasks:a. Design a class named StockTransaction that holds a stock symbol (typically one to four characters), stock name, and price per share. Include methods to set and get the values for each data field. Create the class diagram and write the pseudocode that defines the class.b. Design an application that declares two StockTransaction objects and sets and displays their values c. Design an application that declares an array of 15 StockTransaction objects. Prompt the user for data for each object, and then display all the values. d. Design an application that declares an array of 15 StockTransaction objects. Prompt the user for data for each object, and then pass the array to a method that determines and displays the two stocks with the highest and lowest price per share.
