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How does the bitwise complement operator (~ tilde) work?
...nt a=4;
System.out.println(~a);
Result would be :-5
'~' of any integer in java represents 1's complement of the no.
for example i am taking ~4,which means in binary representation 0100.
first ,
length of an integer is four bytes,i.e 4*8(8 bits for 1 byte)=32.
So in system memory 4 is represented a...
2D cross-platform game engine for Android and iOS? [closed]
... done. You can use any JVM language you like. Here's a 13 part tutorial in Java, and here's a bunch using jruby. There's a good skeletal animation tool that works with it here, and it has baked in support for tiled TMX maps as well. The ui framework is awesome, and it has a scene graph and actor sty...
Still Reachable Leak detected by Valgrind
...nically "still reachable". This is the case of memory leak you can have in Java or other garbage collected languages.
– lvella
Jun 25 '15 at 18:50
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How does interfaces with construct signatures work?
...mented by any class(at first glance this might look weird for guys with C#/Java background like me but give it a chance). It is slightly different.
For a moment think of it as a interface with a call signature(like a @FunctionalInterface in Java world). Its purpose is to describe a function type..k...
Simple Getter/Setter comments
...be imaginary for weird employees)
*/
public float getSalary();
That way javadoc checking tools (such as Eclipse's warnings) will come out clean, and there's no duplication.
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ExecutorService, how to wait for all tasks to finish
...uestions on SO:
How to wait for all threads to finish
Return values from java threads
invokeAll() not willing to accept a Collection<Callable<t>>
Do I need to synchronize?
None of these are strictly on-point for your question, but they do provide a bit of color about how folks think ...
Why does the Scala compiler disallow overloaded methods with default arguments?
...y introduce mandatory Hungarian Notation when accessing Scala methods from Java? It seems like it would make the interfaces extremely fragile, forcing the user to take care when type parameters to functions change.
– blast_hardcheese
Dec 17 '14 at 8:44
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Initialize class fields in constructor or at declaration?
I've been programming in C# and Java recently and I am curious where the best place is to initialize my class fields.
15 An...
What is Data Transfer Object?
...neral Value Objects should be Immutable. Like Integer or String objects in Java. We can use them for transferring data between software layers. If the software layers or services running in different remote nodes like in a microservices environment or in a legacy Java Enterprise App. We must make al...
Why doesn't RecyclerView have onItemClickListener()?
...
tl;dr 2016 Use RxJava and a PublishSubject to expose an Observable for the clicks.
public class ReactiveAdapter extends RecyclerView.Adapter<MyAdapter.ViewHolder> {
String[] mDataset = { "Data", "In", "Adapter" };
private fina...