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After p = new Fred[n], how does the compiler know about n objects to be destructed throughout delete[] p?
A: The run-time system hold the number of objects, n, somewhere where it may be retrieved if you know the pointer, p only. There are two famous techniques that do this. Both of these technique are in use trhough commercial-grade compilers, both have tradeoffs, & neither is perfect. These techniques are following:
Over-allocate the array & put n only to the left of the first Fred object. Employ an associative array along with p as the key and n as the value.
Is friend function can be harmfull to make a secure program/sofware?
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Friend for Overloading Operators Sometimes friend functions cannot be avoided. For example with the operator overloading. Consider the following class that have data members to
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Ask question #Minimum 100 words accepted program for polishing jewels#
Relational Operators A relational operator is used to make comparison among two values. All these operators are binary and needs two operands. There are the following relationa
In this we will take a closer look at the logic behind Object Oriented Programming. Read through the pseudocode listed below and answer the following questions. Class Square
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