Write a java program to write a class Marks with three data members to store three marks. Create two constructors and a method to calculate and return the sum.
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- Write a Java Program, Create a class with a method that prints "This is parent class" and its subclass with another method that prints "This is child class". Now, create an object for each of the class and call 1 - method of parent class by object of parent class 2 - method of child class by object of child class 3 - method of parent class by object of child class In the above example, declare the method of the parent class as private and then repeat the first two operations (You will get error in the third).Write a java code . Create an employee class should print the following information (Employee name, join year, salary) of three employees. Use constructors to initialize the values. Write the method to find the experience from the joining year.In Java , Write a class Marks with three data members to store three marks. Create two constructors and a method to calculate and return the sum.
- write a java program A course has a name, a course number, a department code(for example, CS, MATH) and a room number.• Include a static variable used to assign the course number to each Course in theconstructor. The value of the variable will start at 1000.• Write the instance variables, the accessors (getters), the mutators (setters) and twoconstructors for the class. One of the constructors should be the no args constructorWrite a second class, XXX_ TestCourse (XXX is your Kean Id) ,which will have amain method.• Create an Array of Course objects, which can hold 3 elements.• Using a loop:• Ask the user for the name, department and room number for 3 courses.• Create course objects.• Store the objects in the Array• At the end, traverse the array of courses and print each course on a separate lineWrite a java program to create a class Employee. The class should include threeinstance variables: name (type: String), ID (type: int), and position (type: String).Write a class TestEmployee to test the class Employee. Read the name, ID andposition of three employees from screen input, create three employee objects usingthe constructor, and display each employee’s name, ID and position.Write a Java program that consists of at least three classes for Students, Employees and Courses registration in University. The program should be fully documented, and the following concepts should be applied: Defining a constructor with and without arguments. Use the setter, getter and toString methods Sending an object/s to a method and returning it as a return value. Defining array of objects and using loop/s and Scanner object/s for data entry. Defining the main method that integrates the whole project.
- ANSWER IN JAVA Create a class called Date that includes three instance variables-a month (type int), a day (type int) and a year (type int). Provide a constructor that initializes the three instance variables and assumes that the values provided are correct. Provide a set and a get method for each instance variable. Provide a method displayDate that displays the month, day and year separated by forward slashes (/). Add a main method to the class that demonstrates class Date's capabilities.Write a program using java Create a class for Subject containing the Name of the subject and score of the subject. There should be following methods: set: it will take two arguments name and score, and set the values of the attributes. If score is less than 0 or greater than 100.0 then a message should be displayed “Incorrect score” and score should be set to Zero. set: it will take one double value as argument and set the value of score only. If score is less than 0 or greater than 100.0 then a message should be displayed “Incorrect score” and score should be set to Zero. display: it will display the name and score of the subject. Like “Name : Math, Score: 99.9” getScore: it will return the value of score.write a program using java Create a class for Subject containing the Name of the subject and score of the subject. There should be following methods: set: it will take two arguments name and score, and set the values of the attributes. If score is less than 0 or greater than 100.0 then a message should be displayed “Incorrect score” and score should be set to Zero. set: it will take one double value as argument and set the value of score only. If score is less than 0 or greater than 100.0 then a message should be displayed “Incorrect score” and score should be set to Zero. display: it will display the name and score of the subject. Like “Name : Math, Score: 99.9” getScore: it will return the value of score. greaterThan: it will take subject’s object as argument, compare the calling object’s score with argument object’s score and return true if the calling object has greater score. Create a class “Main” having main method to perform following tasks. Create two objects of Subject…
- Methods in Java Write a program that accepts three strings: first name, last name, age, and nationality. Create an object of the class Person and assign the inputs to their respective attributes. In the class, create a method greeting() that prints the attributes. Inputs 1. Input Cody Chum 20 Filipino Sample Output Enter first name: Cody Enter last name: Chum Enter age: 20 Enter nationality: Filipino Hello, I am Cody Chum, 20 years old and a Filipino!write a c++ program Write a class Date that represents a date consisting of a year, month, and day. A Date classshould have the following methods:# Date(int year, int month, int day)Constructs a new Date object to represent the given date.# void add(int &days)Moves this Date object forward by the given number of days. hint:* you should decideon the basis of month and year that given month ends 30,31,28,29 days.# void add(int &month , int &days) Moves this Date object forward by the given number of months and days. Monthsshould be within 1 to 12 and days in 1 to 31. For Example Date 2003/12/31andadd(1,29) =>Date will be 2004/02/29# void add(Date & other)Moves this Date object forward by the given Date.# void addWeeks(int &weeks)Moves this Date object forward by the given number of seven-day weeks.# int daysTo(Date & other)Returns the number of days that this Date must be adjusted to make it equal to the givenother Date.# void subtract(int &days)Moves this…Write a program in java . Create a class names “A” with a method to print “ method ofclass A”. • Then create three other classes names “B” ,”C” and “D” inheriting the class “A” all threeclasses having method to print “method of class “, “method of class c”, “method ofclass d” respectively.• Now call the method of “B” ,”C” and “D” by creating the object of B,C and Dclasses.