Reference variable in c++ pdf

only variables can be passed by reference in c reference member variable in c reference variables in c++ variable – placeholder in syntax if (exression) - syntax statement;. C++ Program Structure. // my first program in C++. #include <iostream.h> int main (). object in the memory. The C++ syntax used for creating. In the above program, the swapValues function takes reference variable is as follows. C/C++ Pointers vs References. Consider the following code: References are the preferred way of indirectly accessing a variable. They are also a little. L11: References, Const, Classes. Pointers Reminder. ? A pointer is a variable containing an address. ? Modifying the pointer doesn't modify what it points C++ Reference Card. C++ Data Types. Data Type. Description A pointer variable (or just pointer) is a variable that stores a memory address. C++ REFERENCES. A reference variable is an alias, that is, another name for an already existing variable. Once a reference is initialized with a variable, referencing the variable's name, for example to print it. std::cout << myInt << myAlt; // 5050. Variable scope. Variables in C++ may be declared both C++ introduces a new kind of variable known as Reference Variable. It provides an alias (alternative name) for a previously defined variable.