Interpreted of sub code bellow is: point operator * (point v2) { int x1, y%: x1 = x * v2.x; y1 = y* v2.y: point product = point(x1, y1); %3D return product: }}: o return type of binary operator function is point no return type of binary operator function in point class return type of binary operator function is point in point class o return type of operator function is point in point class

Interpreted of sub code bellow is: point operator * (point v2) { int x1, y%: x1 = x * v2.x; y1 = y* v2.y: point product = point(x1, y1); %3D return product: }}: o return type of binary operator function is point no return type of binary operator function in point class return type of binary operator function is point in point class o return type of operator function is point in point class

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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} BMI(struct Person* person) { person->BMI = person->weight / (person->height person->height); return person->BMI; } //Q10: Why is the return type char*? char* determineWeightCategory(struct Person* person) {//assumes BMI is known const double UNDERWEIGHT = 18.5; const double NORMALWEIGHT = 24.9; const double OVERWEIGHT = 29.9; } else { //Q11: If the value in person->BMI is equal to 18.5 and person is athletic, what will be //stored in p- //Q12: The first if statement validates against certain conditions. //What are the conditions it is validating against? //HINT: Think about what causes BMI to be less than 0. if (person->BMI weightCategory, "ERROR"); } else if (person->BMI weightCategory, "Underweight"); } else if (person->BMI weightCategory, "Normalweight"); } else if (person->BMI weightCategory, "Overweight"); strcpy(person->weightCategory, "Obese"); return person->weightCategory; //Q13: Why do we return person->weightCategory? } //Q14: Why is provider passed by value?
If a class does not have a function Object() { [native code] } declared for it, then how are objects of that class created?
When defining an array of a classtype, a C++ programmer has no way to specify which overloaded constructor is used on each declared array element, as the default no-argument constructor will always be used no matter what. True O False
Prime Function A prime number is a positive integer that is evenly divisible only by 1 and itself. Write a predicate function called is_prime that accepts an integer parameter and returns true if that number is prime and false otherwise. Assume that the parameter is a positive integer. 57°F Clear 1 def is prime (num): 2 3 4 Check My Solution for i in range (2, num): if num % i == 0: return False return True Test Results: ✓ You are defining a function called is_prime. x The function does not return the correct value when the argument is 2. V Load My Latest Solution Reset The function correctly returns False for the number 6. The function correctly returns True for the number 29. Search
T or F -Functions are considered to be objects in JavaScript because they contain three critical attributes: data, methods that act on the data, parameters for passing the data also known as awareness. -A recursive function is a function that calls itself and eventually returns default value to break out of the recursion. -A function that is used to create a new object is called an anonymous function. -Attributes define additional characteristics or properties of the element which is the same as for the start tag. -Javascript is similar to the Java programming language
In C programming!! Function prototype and implementation for the calculateDivisors function that takes in an integer parameter, calculates the sum of its divisors, and returns that sum (as an integer value) A structure that represents what is represented on each line of output, e.g., o Linenumbero Sumofthedivisorsforthatlinenumbero Characterarraycontaining“Perfect”,“Deficient”,or“Abundant” Pointer declared within the main that will be used to point to an area of memory containing a collection of these structs Dynamically allocated memory for the number of structs necessary You will assign values to each struct via the pointer A loop that goes from X to Y, where X and Y are the numbers inputted by the user at the command line argumento Note:becausetheuserisenteringinputhere,youwillneedtocheckforreasonableness: § The value of X must be greater than or equal to 2§ The value of Y must be greater than the value of X§ If either one of the above conditions are not met, you should…
Inside a function definition for a member function of an object with data element x, which of the following is not equivalent to this->x: Select one: O a. (*this).x O b. (* (& (*this) ) ).x O C *this.x O d. x
(2) Your member functions will be: Make sure that the mutators for height and width only take positive numbers! Test your class with the driver program given below. //--- Test driver for class Rectangle #include using namespace std; setHeight (int h): mutator for height variable setWidth (int w): mutator for width variable setDimensions (int h, int w): sets both height and width getArea (): returns the area of the rectangle getPerimeter () returns the perimeter of the rectangle print (): prints a rectangle with your dimensions composed of asterisks (3) Create a default constructor that sets the default values of Rectangle class to 1. int main() { Rectangle rec rec2; recl.setHeight (10); recl.setWidth (20); Page rec2.setDimensions (5, 10); cout of 2 ZOOM +
The following struct types have been defined: typedef struct { int legs; char *sound; char *name; } pet_t; typedef struct { char *name; int age; pet_t *pet; } owner_t; A variable kid has been defined by: owner_t *kid; Functions get_owner and get_pet have the prototypes: owner_t *get_owner(char *,int,pet_t *); pet_t *get_pet (char *name, char *sound, int legs); Using kid, print a line like: Julie's pet parrot has 2 legs and says, "squawk".
Why would a programmer use overload operators over standard member functions to do the same objectives as a normal member function?
TressetteYou are given the types: type colore = Spade | Coppa | Bastoni | Denari ;; type valore = Ace | Two | Three | Four | Five | Six |Seven | Jack | Knight | King ;; type mazzo = Null | Carta of carta and carta ={ c : colore ; v: valore ; mutable tl : mazzo };; (see the picture with cards) a. Write a function points : mazzo -> int = that given a deck of cards calculates its point score. The scoring is as follows: Ace is worth 1 point; Two, Three, King, Knight, Jack are each worth 1 3 ; and the rest do not contribute the the point total. The total point score is equal to the sum of the individual points, rounded down at the end. b. Write a function max_cards : mazzo -> mazzo = that takes a deck of cards and filters out everything except the greatest cards by value (valore) of each color. The order of cards by value is as follows: Three > Two > Ace > King > Knight > Jack > Seven > Six > Five > Four. Due to the size of the output, lists like…
Consider the function definition: void GetNums(int howMany, float& alpha, float& beta) { int i; beta = 0; for (i = 0; i < howMany; i++) { beta = alpha + beta; } } Describe what happens in MEMORY when the GetNums function is called.