Good programming practices. | Java Community | Help. Code. Learn. | Page 1

fierce merlin Oct 25, 2023, 5:50 PM

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Hey guys, i was solving a problem from an exercise and i did like this when declaring the variable.

double A, B, C;

A = sc.nextDouble();
B = sc.nextDouble();
C = sc.nextDouble();
        
double areaTriangulo, areaCirculo, areaTrapezio, areaQuadrado, areaRetangulo;

But in the solution the teacher did like this:

double A, B, C, triangulo, circulo, trapezio, quadrado, retangulo;
A = sc.nextDouble();
B = sc.nextDouble();
C = sc.nextDouble()

So i was thinking if my way of doing it is unecessary. I was thinking in making the code look clean. I'm still in early stages on Java so all the answers are really appreciate no matter how basic you may think the answer be.

steel dustBOT Oct 25, 2023, 5:50 PM

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somber dune Oct 25, 2023, 5:55 PM

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They are all doubles right?

fierce merlin Oct 25, 2023, 5:56 PM

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somber dune They are all doubles right?

Yes.

somber dune Oct 25, 2023, 5:57 PM

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Then both are okay. Except in your first one you are taking input from the user too

fierce merlin Oct 25, 2023, 5:57 PM

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Oh, he also takes it. Let me edit there.

somber dune Oct 25, 2023, 5:57 PM

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So it's fine then

fierce merlin Oct 25, 2023, 5:58 PM

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So it is just a matter of preference?

somber dune Oct 25, 2023, 5:59 PM

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Yeah but it's good declaring them First then come get it

indigo lintel Oct 25, 2023, 6:00 PM

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it doesn't matter in examples.
You can do either. So it's kinda a preference.
Typically you'd be following what's already in a codebase where some style is already established.

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https://www.oracle.com/java/technologies/javase/codeconventions-contents.html

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here's the official style conventions (from 1999 💀 )

fierce merlin Oct 25, 2023, 6:01 PM

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Ok, i see. Thank you for the help guys.

steel dustBOT Oct 25, 2023, 6:01 PM

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fierce merlin Ok, i see. Thank you for the help guys.

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#Good programming practices.