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Is function always return a value?
no, every function can not return a value. for example void name() { cout<<"Hello world"; } this function does not return any value due to the key word void that tells the compiler that the function does not returns a value.
Why void is used in c language?
void as function return-type means no return value void as function parameter means no parameter void * as pointer type means generic pointer
What is the purpose of the keyword void in a function declaration?
when we declare any function with void,it doesnt return any value
What does a void method do?
In Java, this keyword is used to specify that the method has no return value.
What is mean void in c plus plus?
Void means there is no data type. So if you have a void function it does not return a value (and attempting to do so will cause an error) whereas a non-void function (ex. int, long, String, bool, etc) will return a value of that type.
Is function always return a value?
no, every function can not return a value. for example void name() { cout<<"Hello world"; } this function does not return any value due to the key word void that tells the compiler that the function does not returns a value.
Why void is used in c language?
void as function return-type means no return value void as function parameter means no parameter void * as pointer type means generic pointer
What is the purpose of the keyword void in a function declaration?
when we declare any function with void,it doesnt return any value
What does a void method do?
In Java, this keyword is used to specify that the method has no return value.
What is mean void in c plus plus?
Void means there is no data type. So if you have a void function it does not return a value (and attempting to do so will cause an error) whereas a non-void function (ex. int, long, String, bool, etc) will return a value of that type.
If a function does not have return type it is declared as?
If a function does not have a return type, it is declared as void. The void keyword indicates that the function does not return a value after its execution. This is commonly used for functions that perform actions but do not provide any output to the caller.
What is meant by void abcint?
void abc(int); is a function declaration. The declared function has no return value, is named abc and accepts one integer argument by value.
What is meant by void in c plus plus?
void is used by functions that do not return a value. For example: // This function returns an integer, which you can use in other functions int addTwoNumbers(int a, int b) { return(a + b); } // This function does not return a value, so we declare it as a void void printSum(int a, int b) { cout << a << " + " << b << " = " << addTwoNumbers(a, b) << endl; // Note that attempting to return a value here will cause an error. }
Why it display function should return a value in c programme?
It is up to you to decide. You may go for 'void' return type, which means no return value.
Why you are using VOID in C programming?
You don't use 'VOID', but 'void'. It means different things, such as:- void as function type means no return value- void as function parameter means no parameters- 'void *' as pointer-types means generic pointer
Why you use viod in c?
It's void, and you use is for different purposes, like:a function doesn't have return value: void fun () ...a function doesn't have parameters: ... fun (void) ...generic pointe: void *ptr;r
Is void a data type in c?
what is void data type Void is an empty data type normally used as a return type in C/C++, C#, Java functions/methods to declare that no value will be return by the function. The another use of void is to declare the pointer in C/C++ whe It is not sure that what data type will be addressed by the pointer. eg: void *p; Here p can hold the address of int or float or char or long int or double.
