Re: Constant methods in Java

[Raffaello Giulietti]

Hello,

I don't get why the author of myMethod() would/should be interested in 
forcing the caller of the method to declare the variable b to be final.
Stated otherwise, what is the problem addressed by this suggestion?
Have you some specific case in mind?

Greetings
Raffaello


On 2022-02-02 20:27, Alberto Otero Rodríguez wrote:
I have a suggestion. I think it would be interesting creating constant methods 
in Java.

I mean methods declared like this:

public const String myMethod() {
   String a = "a";
   a = a + "b";
   return a;
}

So that the response of the method is forced to be assigned to a final variable.

This would be ok:
final String b = myMethod();

But this would throw a compilation error:
String c = myMethod();

What do you think? It's just an idea.