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Show the output of the following statements.
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Introduction to Programming with C++
- The Java code must have the structure as shoen in the picture: Develop with Java programming language a calculator (console application) that takes a number, a basic math operator ( + , - , * , / , % ), and a second number all from user input, and have it print the result of the mathematical operation. The mathematical operations should be wrapped inside of functions. Note: Do please use the provided source code template to implement your solution. The purpose of this problem is not only to assess the students' ability to build a valid implementation but also to assess the ability to read the Java code. Input: On single line a number, a basic math operator ( + , - , * , / , % ), and a second number all from user input. Output: On new line result of the mathematical operation. In the case of "Division by zero" you must printout the text message "Error". Example 1: 4 + 812 Example 2: 4 * 832 Example 3: 4 % 20 Example 4 4/0 Error Example 5: 4-10 -6arrow_forwardFor the following, compute the weakest precondition for the following assignment statement given the postcondition. y = 2y – 1 { y > 1}arrow_forward6. In Java, you have the opportunity to either use a predefined function/method or write a user-defined function/method. In this discussion, provide at least three criteria that would be used to develop an appropriate method of your choice and the rationale behind the selection of these criteria.arrow_forward
- Exercise 3. Parameter Passing What are the values of y and z at the end of the following block under the assumption that both parameters x are passed: (i) call by value, (ii) call by reference, and (iii) call by value-result. { int y; int z; y = 7; { int f(int x) { X = x+1; y = x; x = x+1; return y }; int g(int x) { y = f(x)+1; x := f(y)+3; return x } }; z := g(y)arrow_forwardWrite program in C++ Language The other solutions on chegg were incorrect! Please read carefully! Write a program that defines and tests a class called COP3014. The class resembles aclassroom. It has the following grading scheme:3 quizzes 20 points each 20%Mid term 100 points 30%Final 100 points 50%Based on the total grade of any student for the course, the letter grade of each student can becomputed as follows:Any grade of 90 or more is an A, any grade of 80 or more (but less than 90) is a B, any grade of70 or more (but less than 80) is a C, any grade of 60 or more (but less than 70) is a D, and anygrade below 60 is an F.This class needs to have some member variables. The first name, last name, the Z-number, thegrades, the total grade and final letter grade are all considered to be private member variablesof this class.The class should also have the following public member functions/procedural attributes that canbring the objects (students of the class) to life and give them some…arrow_forwardWhat are the differences and the similarities between a call-by-value parameter and a constant call-by-reference parameter? Declarations that illustrate these follow.void callByValue(int x);void callByConstReference(const int& x);arrow_forward
- Select the answer that best describes the following statements: 1. When a reference type has yet to be instantiated, it contains a null value. II. Association is a specific type of Composition. O Only statement I is true Only statement II is true Both statements I and II are true Both statements I and II are falsearrow_forwardGive an example in which passing an argument by reference would be useful.arrow_forwardWrite a program in c++ Smartdata pvt. ltd" company is storing the information of their employees( Name, Department DOB, Gender, address, email and Mob) in different entity according to department of employee. Now, one employee will be shifted from "programing team" to testing team. Write a code to copy all the details of that employee from one object to another object. Note: Display the above concept with the help of classes and constructors.arrow_forward
- (b) Find all the errors in the C++ code below: class Point { private: int x, y: public: Point(int x = 0, int y = 0); int getX() const; // Getters void setX(int x); // Setters void setY(int y); }; Point:: Point(int x, int y) : x(x), y(y) { } // Using initializer list // Getters int Point::getX() const { return x; } int Point::getY) const { return y; } // Setters void Point::setX(int x) { this->x = x; } void Point::setY(int y) { this->y = y; } // Public Functions void print() const { cout « "(" « x« "," « y « ")" « endl; // Member function overloading '+' operator void Point::operator+(Point rhs) const { return Point(x + rhs.x, y + rhs.y); int main() { Point p1(1, 2), p2(4, 5); // Use overloaded operator Point p3 = p1 + p2; p1.print(); // (1,2) p2.print(); / (4,5) p3.print(); / i5,7) Point p5 = p1 + p2 + p3 + p4; p5.print (); // (15,21) cout<arrow_forwardEvaluating Postfix Expression The Postfix notation is used to represent algebraic expressions. The expressions written in postfix form are evaluated faster compared to infix notation as parenthesis are not required in postfix. We have discussed infix to postfix conversion in the class. Write a Java program that will input a valid postfix expression. The expression may accept a whole number or a real number. Every operand and operator should be separated by a space. Make sure to trap possible errors.Sample Output (Must be implement in GUI)arrow_forwardc++ or java or in pseudo code with explaining note: if anything is unclear or seems left out make an assumption and document your assumption Implement an algorithm for assigning seats within a movie theater tofulfill reservation requests. Assume the movie theater has the seatingarrangement of 10 rows x 20 seats, as illustrated to the below.The purpose is to design and write a seat assignmentprogram to maximize both customer satisfaction and customersafety. For the purpose of public safety, assume that a buffer of three seats inbetween Input DescriptionYou will be given a file that contains one line of input for eachreservation request. The order of the lines in the file reflects the order inwhich the reservation requests were received. Each line in the file will becomprised of a reservation identifier, followed by a space, and then thenumber of seats requested. The reservation identifier will have theformat: R####. See the Example Input File Rows section for anexample of the input…arrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
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