April 2018
Intermediate to advanced
264 pages
8h 24m
Polish
Content preview from Nowoczesne receptury w Javie
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Rozdział 3. Strumienie
Kolejnym dodatkiem wspomagającym w Javie 8 programowanie funkcyjne są strumienie. Strumień to przenośna nazwa sekwencji elementów, która nie zapisuje tych elementów ani nie modyfikuje oryginalnego źródła. W programowaniu funkcyjnym w Javie często generuje się strumienie z pewnych źródeł danych, przekazując elementy przez szereg pośrednich operacji (zwanych potokiem), których zwieńczeniem jest tak zwane wyrażenie końcowe (ang. terminal expression).
Strumienia można użyć tylko raz. Gdy strumień przejdzie przez zero lub więcej operacji i dotrze do operacji końcowej, następuje jego koniec. Aby ponownie przetworzyć wartości, należy utworzyć nowy strumień.
Ponadto strumienie są leniwe, to znaczy przetwarzają tylko tyle danych, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.