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How do I return a void string?

How do I return a void string?

You can’t return a string from a void function. If you want to use a Void Method, you should use the Out keyword or pass in a Reference. e.g.

Does void return anything C#?

You use void as the return type of a method (or a local function) to specify that the method doesn’t return a value. You can also use void as a referent type to declare a pointer to an unknown type. For more information, see Pointer types. You cannot use void as the type of a variable.

How can a void function return a value in C#?

If you want to return a value from your Methods, you can’t use the keyword void. Simply because void means “Don’t return an answer”. Instead of using void, we’ll use the keyword int.

How do you call a void method in C#?

If it’s a non-static class, you need to instantiate it first. Then to call its void methods, justCallThem(). You just need to call the method by the class object reference.

Can a void function return a string?

void means the function does not return any value. Therefore, cout << “Edited text: ” << replaceExclamation(a) << endl; is wrong. To write like this, you have to change the function to return a string value.

Can a function return a string?

Learn how to return a string from a C function The tricky thing is defining the return value type. Strings in C are arrays of char elements, so we can’t really return a string – we must return a pointer to the first element of the string. All forms are perfectly valid.

What is C# void?

void is a keyword, it is a reference type of data type and used to specify the return type of a method in C#. It is an alias of System. Note: void cannot be used as a parameter if there is no parameter in a C# method.

Can you use return in a void function?

Any method declared void doesn’t return a value. It does not need to contain a return statement, but it may do so. The data type of the return value must match the method’s declared return type; you can’t return an integer value from a method declared to return a boolean.

What is a void C#?

What is return in C#?

return (C# Reference) The return statement terminates execution of the method in which it appears and returns control to the calling method. It can also return an optional value. If the method is a void type, the return statement can be omitted.

Does a void function need a return?

Void functions are created and used just like value-returning functions except they do not return a value after the function executes. In lieu of a data type, void functions use the keyword “void.” A void function performs a task, and then control returns back to the caller–but, it does not return a value.