Add the correct data type for the following variables: myNum 9; myDoubleNum 8.99; myLetter = 'A'; myBoolean false; myТext "Hello World"; %3D
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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:
C#
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- Write a console application that initializes at least five (5) variables or constants with different data types, then display their values. Provide a meaningful identifier of the variables or constants. Name the namespace as DataTypeApp and its class as DataTypeProgram.Write an enumerated data type that describes types of triangles based on the number of equal sides. The types are equilateral (3 equal sides), isosceles (2 equal sides), and scalene (0 equal sides). Write the complete enum. Include a variable/field in the enum that represents the number of equal sides for that type of triangle. Include a getter for this variable. Include a toString method. Write a statement to create a variable of your enum type called myFavoriteTriangleType. Initialize the variable to some value. This statement would go in a separate class, perhaps in a main method.Write a console application that uses at least five (5) different methods of Math class with comment. Provide a meaningful identifier of the variables or constants. Name the namespace as MathApp and its class as MathProgram.
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- Read the instructions below and write your code using Microsoft Visual Studio (Community version). Build your own console application with C#. Write a Rectangle class, the private data members are the length (len) and width (wid) of the rectangle, the parameterless constructor sets len and wid to 0, and the parameterized constructor sets the value of length (len) and width (wid). In addition, the class also includes common methods such as calculating the perimeter of the rectangle, calculating the area of the rectangle, obtaining the length value of the rectangle, obtaining the width value of the rectangle, and modifying the length and width values of the rectangle to the corresponding formal parameter values. Please upload your executable C# file as attachment in the system.Write a program to illustrate how to use the class studentType. Struct studentType: struct studentType { string firstName; string lastName; char courseGrade; int testScore; int programmingScore; double GPA; }; An example of the program is shown below: Name: Sara Spilner Grade: A Test score: 89 Programming score: 92 GPA: 3.57 *************** C++ code pleaseCreate a class called Box that has the following attributes: length, width and height and the following two function declarations: setBoxDimensions which accepts three parameters: w, l and h getVolume which has no parameters.
- Write a console application that uses at least five(5) different methods of Math class. Provide a meaningful identifier of the variables or constants. Name the namespace as MathApp and its class as MathProgram. Use C# languageCreate a C# statement that uses each of the following built-in methods you have used in previous chapters, then make an intelligent guess about the return type and parameter list for the method used in each statement you created. a. Console.WriteLine() b. String. Equals() c. String. Compare() d. Convert.Tolnt32 () e. Convert. Tochar() f. Array. Sort()Write a program named DemoJobs for Harolds Home Services. The program should instantiate several Job objects and demonstrate their methods. The Job class contains four data fields—description (for example, wash windows), time in hours to complete (for example, 3.5), per-hour rate charged (for example, $25.00), and total fee (hourly rate times hours). Include properties to get and set each field except the total fee—that field will be read-only, and its value is calculated each time either the hourly fee or the number of hours is set. Overload the + operator so that two Jobs can be added. The sum of two Jobs is a new Job containing the descriptions of both original Jobs (joined by and), the sum of the time in hours for the original Jobs, and the average of the hourly rate for the original Jobs. Harold has realized that his method for computing the fee for combined jobs is not fair. For example, consider the following: His fee for painting a house is $100 per hour. If a job takes 10 hours, he earns $1000. His fee for dog walking is $10 per hour. If a job takes 1 hour, he earns $10. If he combines the two jobs and works a total of 11 hours, he earns only the average rate of $55 per hour, or $605. Devise an improved, weighted method for calculating Harolds fees for combined Jobs and include it in the overloaded operator+() method. Write a program named DemoJobs2 that demonstrates all the methods in the class work correctly.