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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.
Is friend function can be harmfull to make a secure program/sofware?
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C Program to check FACTORIAL main() { int i,j,m,fact,sum=0; clrscr(); printf("ENTER THE NO.: "); scanf("%d",&m);
A: This is a name that acts as an alias, or alternative name, for a beforehand defined variable or an object. prepending variable along with "&" symbol makes it as reference. fo
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