Given a final local variable, when must it be given a value O during the declaration O before actual usage O It is optional. it does not have to be given a value O either a or c
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- Redo Programming Exercise 1 by overloading the operators as nonmembers of the classrectangleType. Write a test program that tests various operations on the classrectangleType.Design a class named LinearEquation for a 2-by-2 system of linear equations:ax + by = e x=(ed-bf)/(ad-bc)cx + dy = f y=(af-ec)/(ad-bc)The class contains:• Private double data fields a, b, c, d, e, and f.• A constructor with the arguments for a, b, c, d, e, and f.• Six getter methods for a, b, c, d, e, and f.• Methods getX() and getY() that return the solution for the equation.• A method named isSolvable() that returns true if ad - bc is not 0. The method isSolvable() willbe called in the main, if it returns true display the calculated values for x and y by calling getX()and getY(). If the call to isSolvable() returns false, display a message that “the equation has nosolution”.Write a test Java program that prompts the user to enter a, b, c, d, e, and f and displays the result. After the valuesfor a through f are entered, create a LinearEquation object. Check to seeIf ad - bc is 0, report that “The equation has no solution”, otherwise print out the values for x and y.Write a Number class that holds a double, and add overloaded operators for +, –, *, /, and assignment. Choose the return values for these functions so that expressions can be chained together, and for efficiency. Write an automatic type conversion operator int( ). Please submit code in
- Mutiple Answers Which of the following matches regexp /(very )+(fat )?(tall|ugly) man/a) very fat manb) fat tall manc) very very fat ugly mand) very very very tall man Please Answer With Detailed Explanation!Given that a method receives three parameters a, b, c, of type double, write some code, to be included as part of the method, that determines whether the value of "b squared" – 4ac is negative. If negative, the code prints out the message "no real solutions" and returns from the method MyProgrammingLab JavaWrite and test directed testcases for the testbench. Use ModelSim or a similarsimulator to test the transactor. Hand in a copy of the code and evidence of its function.
- Write a function with the interface doRandomWalk(nstep,startPosition), that takes the number of steps nstep for a random walk and the startPosition of the random walk on a straight line, and returns the location of the final step of the random walker. Problem Part B Now, write another function with the interface simulateRandomWalk(nsim,nstep,startPosition) that simulates nsim number of random-walks, each of which contains nstep steps and starts at startPosition. Then, this function calls doRandomWalk() repeatedly for nsim times and finally returns a vector of size nsimcontaining final locations of all of the nsim simulated random-walks. Problem Part C Now write a script that plots the output of simulateRandomWalk() for nsimnstepstartPosition===1000010−10 The resulting plot should look like the following, How do you interpret this result? How can uniformly-distributed random final steps end up having a Gaussian bell-shape distribution.If a, b, and c are the three sides of a triangle, then its area is, Area = √[s(s-a)(s-b)(s-c)]Here, "s" is the semi-perimeter of the triangle, i.e., s = (a + b + c)/2. However to be a validtriangle “the summation of any two sides should be greater than the third side.”i) Now Design a Class Triangle with a method checkValid() that returns true if it satisfies the criteria of a valid triangle.ii) Write down a method throwException() that uses the checkValid() and throws OwnException as described below.iii) Your own Exception class OwnException will throw an Exception if the valid triangle criteria is not satisfied with the information of “Not a real triangle” with the values of three sides.iv) A triangle object can be only instantiated with the value of three sides if it is a valid triangle otherwise an exception will be thrown. Similarly changing the sides of a triangle is possible if it satisfies the above criteria otherwise an exception will be thrown.v) In the Driver Class gets the…IN C++ USING CLASS Write a program in C++ that implements the game tic-tac-toe: Tic-Tac-Toe is a game played on a three-by-three board. Two players, X and O, alternate in placing their respective marks in the cells of this board, starting with player X. If either player succeeds in getting three of his or her marks in a row, column, or diagonal, then that player wins. In this homework, you should use the OOP concepts to implement the tic-tac-toe game
- Describe Operator Overloading and over load the less than , greater than , equal equal,less than eqaul and greater than equal in c#Write a program namedAveragesthat includes a method that accepts any number ofnumeric parameters, displays them, and displays their average. Demonstrate that theprogram works correctly when passed one, two, or three numbers, or an array ofnumbers.Q3: Write a program in C++ using OOP to create a class (A) , that contain integer number(x) , contain the iilnction (FACT) to calculate the factorial of (x!)and create a class (B) , that contain integer number (n ) , contain the functions (POWER),to calculate ( .xü).-Illen create a Class (C) , with public visibility mode inherit from class (A)and public visibility mode inherit from class (B),contain the tunction that find