anurag18294 - Developer IT

function concept

- by anurag18294

void execute(int &x,int y=100) { x=x+y; cout< will the following program work in spite of not assigning a default value to the x(formal parameters in the fuction prototype).

Static Variables

- by anurag18294

Can anyone explain me the working of static variables?

class anurag { private: int rollno; char name[50]; int marks; float percen; void percentage(int num) { percen=(num/500)*100; } public: void getdata(void) { cout<<"\n\nEnter the name of the student:"; gets(name); cout<<"\n\nEnter the roll no: and the marks:"; cin>>rollno>>marks; percentage(marks); } void display(void) { cout<<"\n\nThe name of the student is:"; cout.write(name,50); cout<<"\n\nThe roll no: of the student is:"; cout<<rollno; cout<<"\n\n The marks obtained is:"<<marks; cout<<"\n\nThe percentage is:"<<percen; }}; void main() { clrscr(); anurag F; F.getdata(); F.display(); getch(); } why the following code is not giving the desired output?

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Graphics in c++

- by anurag18294

how to generate or implement graphics in c++. Whats the syntax or the way to generate graphics? for example circle.

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Default and parametrised constructors

- by anurag18294

Is this statement true that declaring a constructor with arguments hides the default constructor and you cannot invoke the default constructor.

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2-dimensional matrix

- by anurag18294

whats the logic to find the sum of alternate elements of a two-dimensional matrix.

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Recursive and inline functions in c++

- by anurag18294

Can anyone tell me the main difference between an inline function and recursive function?

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Copy constructor

- by anurag18294

Why the argument to a copy constructor is passed by reference?

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array of objects of a class

- by anurag18294

#include class test{ int a; char b; public: test() { cout<<"\n\nDefault constructor being called"; } test(int i,char j) { a=i; b=j; cout<<"\n\nConstructor with arguments called"; } }; int main() { test tarray[5]; test newobj(31,'z'); }; In the above code snippet can we intialize values to tarray[5].

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Index of arrays and strings in c++

- by anurag18294

I want to know from where the index of a string and an array starts from. I am getting a lot of confusion while making programs. While calculating string length of a string is the null character also counted.

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