pass by reference c++
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Pass by value means that a copy of the actual parameter's value is made in memory, i.e. the caller and callee have two independent variables with the same value values. And Call by Reference means that we deal with passing values of variables as the parameters to the function, if we pass address of those. In general, pass by reference is also known as pass by the address of the values declared in the arguments in the calling function relative to the formal The C++ implementation of pass-by-reference is without parallel in Java, value that can be assigned to a pointer variable, but references are not 13.2.4 Reference Parameters C++ allows to pass a pointer to a function. The value of an argument is copied into the formal parameter of.Critical to the discussion here is that this memory holds the formal parameter values and function local variables. By definition, pass by value means you are