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A: Use references when you can use, and use pointers when you have to.
References are generally preferred over pointers whenever you don't require "reseating". Usually this means that references are most useful in class's public interface. Typically references appear on the skin of an object, & pointers on the inside.
The exception to the above is where a function's parameter or return value require a "sentinel" reference a reference which does not refer to an object. Usually this is best done by returning/taking a pointer, & giving the NULL pointer this special significance (references must always alias objects, not dereferenced NULL pointer).
Note: Old line C programmers sometimes don't like references as they provide reference semantics which isn't explicit in the caller's code. However, after some C++ experience, one quickly realizes it is a form of information hiding, which is an asset instead of a liability. E.g., programmers must write code in the language of the problem instead of the language of the machine.
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Write a program to find the area under the curve y = f(x) between x = a and x = b, integrate y = f(x) between the limits of a and b. The area under a curve betw Solution:
string will contain only lower case alphabet& the ascii value starts from 1-26,(ie,a=1&z=26).it perform the operation like the following costs:add=2units,replace=1unit,delete=3unit
Reference Types The symbol "&" is interpreted as an address operator as well as AND operator. This operator is also used to declare a "reference variable". A reference is refer
need an expert programmer to finish coding the requirements from the assignment withen 4 hrs
Define a procedure that takes three numbers as arguments and returns the sum of the squares of the two larger numbers.
use of header files
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