Select object from ARRAYLIST WITHOUT LOOP - ANDROID

Question

I am looking for a library which can select object from ArrayList like SQL \"where\" command.

I have huge arraylists (between 2000 and 20000) in my project and i don\'t

Answer 1

The Guava library is much more popular than lambdaj, and does allow you to avoid for, while loops by using preficates and filter methods.

Answer 2

If you can use xpresso, you can write:

list<Sale> sortedSales = x.list(x.sorted(sales, x.invoke("getCost")));

(I am the author of xpresso)

Answer 3

If you want to select an element that matches a criteria (or elementS that will match), use the Java 8 filter function. (no need to use other libraries anymore).

Do it as:

List<Foo> listOfFoo = ...
Stream<Foo> matchingFoo = listOfFoo.stream().filter(t -> t.propertyOrMethod == 'criteria');