What is the use of void?

Void is an empty data type that has no value. We use void data type in functions when we don’t want to return any value to the calling function. Example: void sum (int a, int b); – This function won’t return any value to the calling function.

Is void * a pointer?

4 Answers. A void* does not mean anything. It is a pointer, but the type that it points to is not known. It’s not that it can return “anything”.

What is void used for in Java?

Void: It is a keyword and used to specify that a method doesn’t return anything. As main() method doesn’t return anything, its return type is void. main: It is the name of Java main method.

What is void data?

The void data type has no values and no operations. It’s a data type that represents the lack of a data type. The void data type is typically used in the definition and prototyping of functions to indicate that either nothing is being passed in and/or nothing is being returned.

What is a void * C++?

When used for a function’s parameter list, void specifies that the function takes no parameters. When used in the declaration of a pointer, void specifies that the pointer is “universal.” If a pointer’s type is void* , the pointer can point to any variable that’s not declared with the const or volatile keyword.

What does void mean in coding?

The void type, in several programming languages derived from C and Algol68, is the type for the result of a function that returns normally, but does not provide a result value to its caller. Usually such functions are called for their side effects, such as performing some task or writing to their output parameters.

Why is void main used in C?

The void main() indicates that the main() function will not return any value, but the int main() indicates that the main() can return integer type data. When our program is simple, and it is not going to terminate before reaching the last line of the code, or the code is error free, then we can use the void main().

What is memory in C?

C has three different pools of memory. – static: global variable storage, permanent for the entire run of the program. – stack: local variable storage (automatic, continuous memory). – heap: dynamic storage (large pool of memory, not allocated in contiguous order).

What is void in Roblox RP?

(void) is a roleplaying function in ATF that nullifies the previous roleplay actions done by the player. It is used in the OOC format, with parentheses. It is commonly used to nullify actions that are simply considered illogical for whatever reason, but it can also have other purposes.