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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.
farnahight of celsus
why c is middle level language?
Input Output Most languages have "statements" to perform I/O . Though in C and C++ we use "functions" to perform I/O. C++ also has its own I/O mechanism - the cin and cout obje
d county is very famous for luminous jewels. Luminous jewels are used in making beautiful necklaces. A necklace consists of various luminous jewels of particular colour. Necklaces
There are so many different concepts related with OOP (Object-oriented programming) such as: Class Object Inheritance Polymorphism Abstraction Encapsulation
program
Define Advantages of Multi File Program? The main merits of spreading a program across several files are: • Teams of programmers able to work on programs. Every programmer w
When declaring a variable of data type pointer, use the * in front of the variable name. These variables hold a memory location (like B45CDF), not an actual value like 30 or A:
help in the development of program for assignment
(a) Verify the values of the resistors with the following colour coding: (i) red-red-orange-silver (ii) orange-orange-black-blue-green (b) What is the value of a resistor
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