What is the point of a return statement?
A return statement ends the execution of a function, and returns control to the calling function. Execution resumes in the calling function at the point immediately following the call. A return statement can return a value to the calling function.
What is the purpose of return statement in a function Mcq?
The return statement causes the function to stop executing and to return the value of its expression (if any) to the caller.
What is the use of return function?
When a return statement is used in a function body, the execution of the function is stopped. If specified, a given value is returned to the function caller. For example, the following function returns the square of its argument, x , where x is a number. If the value is omitted, undefined is returned instead.
What does the return 0 statement in main function indicate in C?
return 0 in the main function means that the program executed successfully. return 1 in the main function means that the program does not execute successfully and there is some error. return 1 means that the user-defined function is returning true.
What is main return C?
The return value of main() function shows how the program exited. The normal exit of program is represented by zero return value. If the code has errors, fault etc., it will be terminated by non-zero value. By default, it will return zero.
What is the purpose of the return statement in a function definition quizlet?
What is the purpose of the Return statement in a function? The Return statement specifies the value that the function returns to the part of the program that called the function. When the Return statement is executed, it causes the function to terminate and return the specified value.
What is the purpose of a return statement in a function in JavaScript?
The return statement ends function execution and specifies a value to be returned to the function caller.
What is the point of return 0 in C++?
The main function is generally supposed to return a value and after it returns something it finishes execution. The return 0 means success and returning a non-zero number means failure. Thus we “return 0” at the end of main function.
Does C++ require return 0?
The use of return 0 is dictated by the c++ standard. It is typically used to indicate successful completion of a program. You should keep it regardless of whether you plan to do anything with it or not. The return value of main is what your program returns to the OS.
What is default return value of function in C++?
Explanation: C++ uses int as the default return values for functions. It also restricts that the return type of the main function must be int.
What is the purpose of priming read?
What is a priming read? What is its purpose? It is the input operation that takes place just before an input validation loop. The purpose of the priming read is to get the first input value.
What is the return statement in C programming?
return Statement (C) The return statement terminates the execution of a function and returns control to the calling function. Execution resumes in the calling function at the point immediately following the call.
What is the purpose of a return statement?
The return statement terminates the execution of a function and returns control to the calling function. Execution resumes in the calling function at the point immediately following the call. A return statement can also return a value to the calling function.
What happens when you return an expression from a function?
The execution of the return statement causes the expression expr to be to be evaluated and its value to be returned to the point from which this function is called. The expression expr in the return statement is optional and if omitted, program control is transferred back to the calling function without returning any value.
How do you return a value from a function in C?
Use a plain return statement to make your intent clear. As a good engineering practice, always specify a return type for your functions. If a return value isn’t required, declare the function to have void return type. If a return type isn’t specified, the C compiler assumes a default return type of int.