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  1. dennismichel

    Vector vs ArrayList

    Hi I have a jsp application. In this program, each user may make simultaneous purchases. So I need a way to store several itens. I chose to use a Vector, but I read that's better to use ArrayList, because it's faster than Vector. In this situation, what should I use? Thank's dennis
  2. dennismichel

    Is it good to set null to all variables?

    Hi I have a jsp based application. I'd like to know if it's good practice to set all variables to null, after using. I read that it helps the garbage collector to determine unused variables. I have several variables such as String, arrays, vectors and arraylists. I set to null only the vectors...

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