Select the default constructor signature for a Student class. A. public Student( ) B. public void Student( ) C. private void Student( ) D. private Student( )
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OOPs
In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.
Constructor
The easiest way to think of a constructor in object-oriented programming (OOP) languages is:
IN JAVA
Select the default constructor signature for a Student class.
A. public Student( )
B. public void Student( )
C. private void Student( )
D. private Student( )
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- Complete the method in Java. Name of the public class is Assignment1.javaIn Java programming (Lesson: Objects, Classes, and Constructors) Every class has a constructor and if we do not explicitly write a constructor for a class, the java compiler builds a default constructor for that class. False or True Please provide an explanation for the answer. Thank you!Java Programming problem Create a checking account class with three attributes: account number, owner’s name, and balance. Create constructor, getters and setters. If one is to set the initial balance of an account as a negative value in a setter or a constructor, remind the user about the error and set it as 0. Create a CheckingAccountDemo class, and create a main method in which Ask for the name, account number, and initial balance for one account from the keyboard input. With these input values as arguments in a call to the constructor, create a CheckingAccount object. Print the summary of this account that includes information on the name, account number, and balance by calling the getters.
- java programming Robot Class : a robot has a name , located at a point with integer coordinates , faces north , east , south , or west and keeps a record of all its movements positions . The class has the following methods : A default constructor that initializes robot's name to " Unknown ” , location to ( 0,0 ) , direction to North , and travelled distance to 0 , and simulated movements to null . A constructor that given robot's name , starting location , and facing direction , Accessor methods to access all the instance variables and the simulated movements of the robot Mutator methods that change the instance variables to given values and they made the change for only suitable values . tumLeft and turn Right methods that change the direction of the robot but not the location move method that moves the robot by one unit in the direction it is facing . get Travelled Distance method that retums how many units has the robot moved .In Java, what allows for the manipulation of data variables in a class? Group of answer choices: Class Instance methods Public interface EncapsulationA Java class can contain Variables Methods, Constructors Inner Classes (A class inside another class) O All the above
- 30. True or False: The parameterized constructors of Java does not accept any parameters instead, using these constructors the instance variables of a method will be initialized with fixed values for all objects. False True Give an explanation for the answer. Thank youJava Programming: Write a static method named urgentAndIncomplete. Write the method as if it is in Main.java (not part of the ToDoItem class). The method should: Accept three ToDoItem references as parameters, and Return an int. Count how many of the ToDoItems meet two criteria: A priority greater than 3 Not completed The method should return how many of the parameters meet these criteria. That will be either 0, 1, 2, or 3.Java programming language I need the two classes ( the testing class and the class with the methods) to be combined into one class. This is the program: import java.util.Scanner; //The Temperature Class Begins Here public class Temperature { private double ftemp; //The constructor public Temperature(double ftemp) { this.ftemp = ftemp; } //Get farenheit Method public double getFtemp() { return ftemp; } //Set farenheit method public void setFtemp(double ftemp) { this.ftemp = ftemp; } // Get Celcius Method public double getCelcius(double ftemp){ //double celcius = (double) (5/9) * (ftemp - 32); double celcius = (ftemp-32)* (double)5/9; return celcius; } // Get Kelvin Method public double getKelving(double ftemp){ double Kelvin; Kelvin = (ftemp-32)*(double)5/9 + 273.15; return Kelvin; } } //The Temperature Class Ends Here //The Temperature Test Class with a main method begins Here class…
- import java.util.Scanner; class BloodData//declraing BloodData class { //declaring required variables static String bloodType;//to store the blood type static String rhFactor;//to store Rhesus factor //default public constructor public BloodData() { //initializing bloodType to o and rhFactor to + bloodType="o"; rhFactor="+"; } //parameterized public constructor public BloodData(String bt,String rh) { //initializing bloodType with bt and rhFactor with rh bloodType=bt; rhFactor=rh; } //function to print bloodType and rhFactor public void display() { //printing the bloodType and rhFactor System.out.println(bloodType+rhFactor+" is added to the bloodbank.\n"); } }//end of class BloodData public class RunBloodData//declaring public class RunBloodData { public static void main(String[] args) { //creating object of Scanner class to take input Scanner sc=new…Java - Access Specifiers Create a class named Circle that has attributes radius, area, and circumference and make the attributes private. Make a public method that sets the radius and a method that prints all attributes. Ask the user input for radius. Note: Use the PI from the math functions Inputs A line containing an integer 10 Sample Output Radius: 20 Area: 1256.64 Circumference: 125.66Object Oriented Programming: 213COMP, 214COMP (Feb-2022) Assignment- I [10 marks] Academic honesty: O Only pdf file accepted & student ID, will be your upload file. O Student who submit copied work will obtain a mark of zero. O Late work or attach file by email message not allowed. Q1: Write the signature for a method that has one parameter of type String, and does not return a value. Q2: Write the signature for a method that has two parameters, both of type Student, and returns an int value. Q3: Write the constructor's headers of the followings? new Student (202101156, “Ahmed"); new Address(51, "jazan university","CS&IT" ); new Grade(true, 505235600, 4.5); Q4: a) Write a class Student that define the following information: name, stid , age. b) Explain a mutators (setters) and accessors(getters) methods for each attributes(fields). c) Add three constructors: • with empty constructor. one parameter constructor (name of student) two parameters constructor (name and stid) d) Create two…