a pointer variable can be

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

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