Pointers Pointer is a variable in C++ that holds the address of another variable.Like any variable or constant, you must declare a pointer before you can work with it. A pointer is a type of variable. The answer is simple: a pointer variable is of some pointer type. A pointer is also called reference type variable in generic way.int *pa = &a; can be stated like pa is a pointer to an integer.pa points to a.Just like a has a content (55), pa has a content (that's the address of a).As pa itself is a variable, it has an address too.. Consider the 32 bit compiler. D. all. When you make your reservation, you may be assigned room 0x100. The general form of a pointer variable declaration is − type *var-name; Here, type is the pointer's base type; it must be a valid C data type and var-name is the name of the pointer variable. You might tell your son that you will be in room 0x100 on your trip. In C++11, the nullptr keyword was introduced to represent the address 0. True. A pointer is used to point to a memory location of a variable. 3 years ago . False. A pointer variable can be? With pointer variables you can access but not modify data in other variables. What will be the size of integer pointer ? B. Even more thrilling, a pointer can wander back from a function as a return value. Pointer Variable of any type contains integer address because address of variable is always integer. The following table lists the operators and … For example, given: int *ptr; ptr is a pointer object, and its type is int*, which is a pointer type. C. return by a function. . If you declare int *ptr, **ptr1;, then ptr1 has type "pointer to int *" and thus can point to ptr. We need to store address of integer variable to integer pointer. The asterisk * used to declare a pointer … pointer-variable-name is a valid C identifier i.e. 10 Bytes. 2 Bytes. A. passed to a function as argument. D. Answer: Option B . Like any variable or constant, you must declare a pointer before using it to store any variable address. A pointer variable is a variable that contains an address, usually the address of another variable. They have data type just like variables, for example an integer type pointer can hold the address of an integer variable and an character type pointer can hold the address of char variable. The content of a can be obtained using pa.This is called dereferencing a pointer. An array name is a pointer constant because the address stored in it cannot be changed at runtime. Example to declare pointer variable int * ptr; In above example I declared an integer pointer. If the pointer was set in a fixed block, the variable to which it points may no longer be fixed. Dereferencing a pointer can … How to initialize pointer variable. A pointer is generally initialized as: datatype *variable name; This above declaration is a single pointer but there can be more … A C# pointer is nothing but a variable that holds the memory address of another type. But in C# pointer can only be declared to hold the memory address of value types and arrays. Afreen Khan. A. Your son can act as a pointer variable of sorts. Home / Green Board / Miscellaneous / Question. Yes, but it needs to have the right type. In your example int *ptr,*ptr1; both ptr and ptr1 have type "pointer to int", which can only point to an int, not a pointer. This is somewhat analogous to a hotel. Join The Discussion. There are two ways to initialize a pointer variable. the name of pointer variable. Passing pointers between methods can cause undefined behavior. Oftentimes, these tricks are the only ways to … By any reasonable definition of the phrase "data type", pointer types are data types. B. change within a function. You can use reference operator & to get memory location of a variable or you can … True. A pointer variable can be . A pointer stores the address of a variable and the value of a variable can be accessed using dereferencing of the pointer. C# supports pointers in a limited extent. Consider a method that returns a pointer to a local variable through an in, out, or ref parameter or as the function result. C. 4 Bytes. Question 4. The body of your question asks whether "a pointer is a data type or not". As such, it can easily be flung off to a function in C programming. Needs to have the right type type or not '' was set a. In a fixed block, the variable to integer pointer you make your,. A return value memory location of a variable # pointer can wander back from function... Room 0x100 C++11, the nullptr keyword was introduced to represent the address 0 using it to any! Variable and the value of a can be of variable is always integer and the value a. 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