Questions tagged [consumer]
649 questions
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Java asynchronous return of CompletableFuture
If we have AsyncResponse response variable we can write something like:
CompletableFuture#thenAccept(response::resume).
I don't understand how can we pass boolean resume(Object response) method from AsyncResponse class to thenAccept() which takes…

Freeman
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The problem of this code is in the output. Producer produce more than once. Why and how can I solve it?
The problem of this code is in the output. Producer produce more than once. Why and how can I solve it?
After each producer should following a consumer.
This code can be pasted in IDE and directly run.
I think the problem is in the variable ready. I…

David
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incompatible types: bad return type in lambda expression | void is not a functional interface
I am going through Java 8 Feature and using Jshell to explore it. I tried to run the below command:
Consumer consumer = (str)->System.out::println;
But it failed with the below error:
Error:
| incompatible types: bad return type in lambda…

Manish
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Write Map in File with Consumer in Java 8
I want to write a class MapWriter that Implements a Consumer of Map that writes the input map into a text file. I have a final attribute outputFilePathStr.
@AllArgsConstructor
public class MapWriter implements…

Omar Krichen
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