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Explain the class invariant.
- It's a condition that ensures correct working of a class and defines all the valid states for an object.
- When an object is created class invariants should hold.
- It is essential for them to be preserved under all operations of the class.
- All class invariants are both preconditions and post-conditions for all operations or member functions of the class.
Aim: To implement a program to swap two numbers using reference arguments. Code: void swap(int *a, int *b) { int temp; temp=*a;
6#666#665533999 where # is used as space.output is monkey
What do you mean by a sequential access file? - When writing programs which store and retrieve data in a file, it's possible to designate that file into various forms. - A s
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At a shop of marbles, packs of marbles are prepared. Packets are named A, B, C, D, E …….. All packets are kept in a VERTICAL SHELF in random order. Any numbers of packets with thes
Explain the working of strcmp and strcat Function? strcmp() : This function is meant to use to compare two strings. The strcmp() function acknowledge two strings as argument
Write a c program to determine interchanged values between two variables?[Hint - if loop] What will be the output of the program? How many times this loop will execute? Wr
What is the difference between = symbol and == symbol? - The = symbol is generally used in mathematical operations. It's used to assign a value to a given variable whereas the
Determine the size of an interger data type without using sizeof() function? A: #include int main() { int *i ; int *j = i + 1; cout }
write an algorithm to swap values without using third variable
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