¿Se requiere una declaración de devolución para un método de devolución de valor?

Is a return statement required for a value returning method?

You must have a return statement in a value-returning method. A void method is one that simply performs a task and then terminates. A value – returning method not only performs a task but also sends a value back to the code that called it.

A return is a value that a function returns to the calling script or function when it completes its task. Adding a description for the return, helps you and anyone else using your function to determine exactly what the value should be used for within the calling script or function.

Any method that is not declared void must contain a return statement. The data type of the value returned by the return statement must match the data type that the method claims to return; you can’t return an Object from a method declared to return an integer.

void
Any method declared void doesn’t return a value. It does not need to contain a return statement, but it may do so.

Whenever return-type of method is defined in a method signature, then compulsorily that method has to return value of that type. Like, If return-type is defined as “ int ” data-type, then respective method has to return a value of “ int ” data-type

return statement can be used at various places in the method but we need to ensure that it must be the last statement to get executed in a method. Note: return statement need not to be last statement in a method, but it must be last statement to execute in a method.

The return statement stops the execution and returns specified value to the caller function. When a return statement is executed, the function is terminated immediately at that point, regardless of whether it’s in the middle of a loop, etc. For example: The max function below requires one or more return statements because it returns an int value.

So there is no need to use return. Here also sometimes return is required when return decision is based on some condition. In case of int/float/etc. return type of function return x; statement is always required where x is the desired value to be returned. Originally Answered: Why do we type ‘return’ in programming language?