Do you always need a return statement?

Do you always need a return statement?

Answer. NO, a function does not always have to have an explicit return statement. If the function doesn’t need to provide any results to the calling point, then the return is not needed.

What is the use of return statement in Python?

A return statement is used to end the execution of the function call and “returns” the result (value of the expression following the return keyword) to the caller. The statements after the return statements are not executed.

What is the use of return statement in Java?

A return statement is used to exit from a method, with or without a value. For methods that define a return type, the return statement must be immediately followed by a return value. For methods that don’t return a value, the return statement can be used without a return value to exit a method.

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Can a function have 2 return statements?

A function can have multiple return statements. When any of them is executed, the function terminates. A function can return multiple types of values.

Can we use return in if statement?

The return statement returns the flow of the execution to the function from where it is called. This statement does not mandatorily need any conditional statements. As soon as the statement is executed, the flow of the program stops immediately and return the control from where it was called.

What is the purpose of a return statement in a function Codehs?

The return statement exits a method and returns a value. Methods can return many different types of results, such as Strings, ints, doubles, and more. If no value gets returned from a method, the method return type is void .

What is the use of a 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.

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How does a function return a value in Java?

Let’s see a simple example to return integer value.

  1. public class ReturnExample1 {
  2. int display()
  3. {
  4. return 10;
  5. }
  6. public static void main(String[] args) {
  7. ReturnExample1 e =new ReturnExample1();
  8. System.out.println(e.display());

Why are multiple return statements Bad?

Multiple return statements in a method will cause your code not to be purely object-oriented. No other operators or statements. Just return . All arguments in favor of multiple return statements go against the very idea of object-oriented programming.

What is the purpose of return statement in a function Mcq?

4. What is the purpose of a return statement in a function? Explanation: The return stops the execution of the function when it is encountered within the function. It returns the value to the statement where the function is called.

What methods return values in Java?

Java return keyword is used to complete the execution of a method. The return followed by the appropriate value that is returned to the caller. This value depends on the method return type like int method always return an integer value.

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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.

Can you use return statement outside of a function?

Note that you can use a return statement only inside a function or method definition. If you use it anywhere else, then you’ll get a SyntaxError: When you use return outside a function or method, you get a SyntaxError telling you that the statement can’t be used outside a function.

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 does the return statement do in JavaScript?

The return statement stops the execution of a function and returns a value from that function. Read our JavaScript Tutorial to learn all you need to know about functions. Start with the introduction chapter about JavaScript Functions and JavaScript Scope.