Can executable return a string?

Can executable return a string?

You can’t return a string. You can output a string and catch that output in your other application.

What is Console WriteLine () good for?

To print a message to the console, we use the WriteLine method of the Console class. The class represents the standard input, output, and error streams for console applications. Note that Console class is part of the System namespace. This line was the reason to import the namespace with the using System; statement.

What is Console WriteLine?

WriteLine(String, Object, Object) Writes the text representation of the specified objects, followed by the current line terminator, to the standard output stream using the specified format information.

What is the return type of the main method in C#?

The allowed return type of Main() method is void, int, Task(From C# 7.1), and Task(From C# 7.1). Declaration of Main() method may include async modifier if the return type of Main() method is Task or Task.

Can an EXE return a value?

you can use the process. ExitCode and create a new EXE which controls the exitvalue and starts the original EXE if needed, or you save the information in a file on the disk if its more than an integer so you can process it from the parent process (the new EXE you create).

What is the execution entry point for AC console application?

Answer: The Main method is the execution entry point of C# console application.

What is the difference between write and Writelines )?

The only difference between the write() and writelines() is that write() is used to write a string to an already opened file while writelines() method is used to write a list of strings in an opened file.

How do you go to the next line in console WriteLine?

Using \r\n to Insert a New Line Console. WriteLine(“This is a line. \r\nThis is another line.”); The above code will successfully insert a new line using \r\n .

How is write () different from Writelines ()?

How does WriteLine () method works?

Write() method displays the output but do not provide a new line character. WriteLine() method displays the output and also provides a new line character it the end of the string, This would set a new line for the next output.

How do you return a method in C#?

Return values Methods can return a value to the caller. If the return type (the type listed before the method name) is not void , the method can return the value by using the return keyword. A statement with the return keyword followed by a value that matches the return type will return that value to the method caller.

How do you return a variable in C#?

You have to use the return keyword plus the string; it should be return FirstName + ” ” + SecondName + ” ” + DoB+ ” ” + Course+ ” ” + markstring ; with the function declared as public string GetMarkString() or similar. You can also use a property.

How to return a string value in C programming?

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. This is why we need to use const char*: const char* myName() { return “Flavio”; }. Here’s an example working program:

How to display the return value of an application in CMD?

cmd.exe (the command-line processor) doesn’t display an application’s return value, no. cmd.exe only displays anything the application writes to either the STDOUT or STDERR streams. You could add: int returnValue = 1; Console.WriteLine(“I am returning {0}”, returnValue); // write to STDOUT return returnValue;

How can I return more than one integer from consoleapp?

Another option would be to have your ConsoleApp write to the standard output stream, and redirect the output to your main application. The advantage of the second option is that you could return more data than a single integer, if later you find this necessary.

How do I exit a consoleapp?

You can use the exit code, which can be returned from the Main function or set via Environment.ExitCode. Another option would be to have your ConsoleApp write to the standard output stream, and redirect the output to your main application.