What is a null object in c++?


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More C++ General Interview Questions

Write a program which is required to process the time of a clock in hours and minutes, entered from the keyboard. With this program, there are two requirements for any data entered by a user: 1. The data must be of the correct type (in this case, two ints). 2. The data must be in the correct range: this means that, for the minutes, negative numbers and any number above 59 must be rejected; for the hours, negative numbers and any number above 23 must be rejected. Output error message for invalid data input. Output the time one and a half hour after the time input. i.e. Hour: 22 Min: 32 One and a half hour after 22:32 is 00:02

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Why c++ is so important?

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What is size of a object of following class? class Foo { public: void foo(){} }

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what is c++

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What is the role of copy constructor in copying of thrown objects?

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this is to swap to strings....but in output the whole strings are swapped leaving first as it is...why it is so #include<iostream.h> int main() { char a[]="ajeet"; char b[]="singh"; long x=*a; long y=*b; cout<<x<<":"<<y; x=x+y; y=x-y; x=x-y; *a=x; *b=y; cout<<x<<":"<<y; cout<<&a<<endl; cout<<&b<<endl; }

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How does c++ sort work?

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How to create a reference variable in C++

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How static variables and local variablesare similar and dissimilar?

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Define pre-condition and post-condition to a member function in c++?

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If dog is a friend of boy, and terrier derives from dog, is terrier a friend of boy?

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What is the Standard Template Library?

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