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saneha · 04-24-2011, 06:57 PM

Salam! Why we keep filewriter fw and printwriter pw equals to null.

***Vuhelper*** · 04-24-2011, 06:58 PM

It is not necessary important to make a reference variable equal to null but sometimes when we want a variable and then we make pointing to nothing. And when ever in coding we wish to utilize that point we simply use it.

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