plzz check.

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#include using namespace std; class Operation { private: int answer; int numberA; int numberB; public: int addition(int numberA,int numberB); int subtraction(int numberA,int numberB); int multiplication(int numberA,int numberB); int division(int numberA,int numberB); int getNumberA(); void setNumberA(int numberA); int getNumberB(); void setNumberB(int result); void printOnScreen(int answer); }; int Operation::getNumberA() { return numberA; } void Operation::setNumberA(int A) { numberA=A; } int Operation::getNumberB() { return numberB; } void Operation::setNumberB(int B) { numberB=B; } int Operation::addition(int numberA,int numberB) { return (numberA+numberB); } int Operation::subtraction(int numberA,int numberB) { return (numberA-numberB); } int Operation::multiplication(int numberA,int numberB) { return (numberA*numberB); } int Operation::division(int numberA,int numberB) { return (numberA/numberB); } void Operation::printOnScreen(int answer) { cout<>choice; switch(choice) { case 1: o.addition(numberA,numberB); break; case 2: o.subtraction(numberA,numberB); break; case 3: o.multiplication(numberA,numberB); break; case 4: o.division(numberA,numberB); break; default: cout<<"Wrong choice"<
about your printOnScreen method: Shouldn't it take no arguments, and just print out the private memver `answer'? otherwise the last statement in main before system(pause) (o.printOnScreen(int answer);) is a syntax error :)
private member* `answer' something like void Operation::printOnScreen() { cout << answer << endl; }

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This is the question Write a C++ program with multiple methods to intake the two integers and do the, Addition, Subtraction, Multiplication, and Division. Hints: 1.Use the following class diagram for your implementation. 2.On your main method u hav to implement selection and repetition of the arithmetic operation 3.You can include any more methods if required.
ah I get it now. you need to either declare an answer variable to store the results of adding/multiplying/etc and supply it as an arugment to void Operation::printOnScreen(int answer), or you need to change the adding/subtracting/etc methods to change the `answer' member variable
Class diagram Arithmetic int numberA int numberB int answer int addition int subtraction int multiplication int division void getAnswer void setAnswer void printOnScreen
with that diagram, it looks like you are just missing the getAnswer and setAnswer methods.
yep. bt am trying to include it. am totally confused.
something like: int Operation::getAnswer() { return answer } void Operation::setAnswer(int answer) { this->answer = answer; }
ya I knw that. bt it is given in the class diagram as void getAnswer.
that's confusing then; getter methods are supposed to return something, no? :(
ya u r right. and also i dnt knw vt to include in printOnScreen() .:(
from your first post, your printOnScreen looks fine. when you use it in main you can do something like: o.printOnScreen(o.getAnswer());
#include using namespace std; class Arithmetic { private: int answer; int numberA; int numberB; public: int addition(int numberA,int numberB); int subtraction(int numberA,int numberB); int multiplication(int numberA,int numberB); int division(int numberA,int numberB); int getNumberA(); void setNumberA(int numberA); int getNumberB(); void setNumberB(int result); int getAnswer(); void setAnswer(int result); void printOnScreen(); }; int Arithmetic::getNumberA() { return numberA; } void Arithmetic::setNumberA(int A) { numberA=A; } int Arithmetic::getNumberB() { return numberB; } void Arithmetic::setNumberB(int B) { numberB=B; } int Arithmetic::addition(int numberA,int numberB) { return (numberA+numberB); } int Arithmetic::subtraction(int numberA,int numberB) { return (numberA-numberB); } int Arithmetic::multiplication(int numberA,int numberB) { return (numberA*numberB); } int Arithmetic::division(int numberA,int numberB) { return (numberA/numberB); } int Arithmetic::getAnswer() { return answer; } void Arithmetic::setAnswer(int result) { answer=result; } void Arithmetic::printOnScreen() { cout<>choice; switch(choice) { case 1: a.addition(numberA,numberB); break; case 2: a.subtraction(numberA,numberB); break; case 3: a.multiplication(numberA,numberB); break; case 4: a.division(numberA,numberB); break; default: cout<<"Wrong choice"<
Bt I dnt get the expected output. Dnt knw y.:(
What is the output you expect?
as u can see I hav passed the values 8 and 7 for A and B. If my choice is 1 I should get 15 as the output. Bt I dnt get t.
@ajprincess , int Arithmetic::addition(int numberA,int numberB) This is wrong. a.addition(numberA,numberB); It should be int temp; temp =a.addition(numberA,numberB);
Do you understand that you were not storing the value returnnd by " int Arithmetic::addition(int numberA,int numberB) " in a variable
I hav already declared answer in my main method. Nw I wrote this answer=a.addition(numberA,numberB) It's correct nw. Isnt t?
Nope @ajprincess , it should be a.answer=a.addition(numberA,numberB); answer is private member function of Arithmetic
BUt why did you declare another answer varible in main () ??
If I change it like this I get an error saying that answer is private.
Got it. It should be answer=a.addition(numberA,numberB); setAnswer(answer); Now it should be fine
bt it reports an error as answer undeclared
Sorry @ Ajprincess. It should be answer=a.addition(numberA,numberB); a.setAnswer(answer);
bt I wrote it as a.setAnswer(answer)
LOl @ajprincess . I just noticed another mistake. int temp, temp1; temp=getNumberA(); temp1=getNumberB(); answer=a.addition(temp,temp1); a.setAnswer(answer);
if I make this many mistakes dnt knw hw I am gonna finish this within 45mints. Thanxxxxxxx a lot. @Shivam_bhalla. U r so helpful.
LOL. No problem. I also learnt by making these mistakes :P
U too @agdgdgdgwngo are really helpful. Thanxxxxx a lot.
in my question repetition of arithmetic operation is askd to b implemented. Hw wud i do that?@Shivam_bhalla
I was busy at another question. If your question is asking for repeting of arithmetic operation then you can add the (Number 1 +Number 2)+number 1
can u please show with my function declarations?
@ajprincess , why don't you try by yourself?. Learn by trying on your own. You will get the logic. Then try to implement that logic :D
k thanxxxx a lot. @shivam_bhalla
np ;). Remember. Computer is a easy subject. Just practice it on your own by making your own programs :)
Sure.:)

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