How to specify function types for void (not Void) methods in Java8?
I’m playing around with Java 8 to find out how functions as first class citizens. I have the following snippet: package test; import … Read more
java-8
What are functional interfaces used for in Java 8?
I came across a new term in Java 8: “functional interface”. I could only find one use of it while working with lambda … Read more
In Java 8 how do I transform a Map to another Map using a lambda?
I’ve just started looking at Java 8 and to try out lambdas I thought I’d try to rewrite a very simple thing I … Read more
Class has been compiled by a more recent version of the Java Environment
While running Selenium script, I am getting the following error message in the Eclipse console: Class has been compiled by a more recent … Read more
Should I return a Collection or a Stream?
Suppose I have a method that returns a read-only view into a member list: class Team { private List<Player> players = new ArrayList<>(); … Read more
Can you split a stream into two streams?
I have a data set represented by a Java 8 stream: Stream<T> stream = …; I can see how to filter it to … Read more
Intellij – Unable to use newer Java 8 classes – Error : “Usage of API documented as @since 1.6+..”
I’m trying to use a java.lang.function.Function in my java 8 code base, but i keep getting the following error in Intellij. Usage of … Read more
In Java, what are the advantages of streams over loops? [closed]
Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so … Read more
What’s the difference between ZonedDateTime and OffsetDateTime?
I’ve read the documentation, but I still can’t get when I should use one or the other: OffsetDateTime ZonedDateTime According to documentation OffsetDateTime … Read more
In Java streams is peek really only for debugging?
I’m reading up about Java streams and discovering new things as I go along. One of the new things I found was the … Read more
