Interested to Buy Any Domain ? << Click Here >> for more details...
Define precondition and post-condition to a member function?
- 1 Answers
- 1712 Views
- I also Faced
- E-Mail Answers
Answer Posted / akhilesh kumar jaiswal
Precondition:
A precondition is a condition that must be true on entry to a member function. A class is used correctly if preconditions are never false. An operation is not responsible for doing anything sensible if its precondition fails to hold.
For example, the interface invariants of stack class say nothing about pushing yet another element on a stack that is already full. We say that isful() is a precondition of the push operation.
Post-condition:
A post-condition is a condition that must be true on exit from a member function if the precondition was valid on entry to that function. A class is implemented correctly if post-conditions are never false.
For example, after pushing an element on the stack, we know that isempty() must necessarily hold. This is a post-condition of the push operation.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
List the merits and demerits of declaring a nested class in C++?
Why cstdlib is used in c++?
How static variables and local variablesare similar and dissimilar?
What is this weird colon-member (" : ") syntax in the constructor?
What are the uses of static class data?
Explain how we implement exception handling in c++?
What are the advantages of using a pointer?
What is the difference between public and private data members?
Describe linked list using C++ with an example.
what is VOID?
Explain shallow copy?
Is rust better than c++?
Which is the best c++ compiler for beginners?
What is struct c++?
Does c++ support exception handling?
