Top "Java-8" questions

Note: this question originates from a dead link which was a previous SO question, but here goes... See this code (…

Given a list of elements, I want to get the element with a given property and remove it from the …

In Java 8, you can use a method reference to filter a stream, for example: Stream<String> s = ...; long …

I very much want to use Map.computeIfAbsent but it has been too long since lambdas in undergrad. Almost directly …

I have problems with Date class in Java. Date class returns local machine date but i need UTC-0. I have …

Convert LocalDateTime to LocalDateTime in UTC. LocalDateTime convertToUtc(LocalDateTime date) { //do conversion } I searched over net. But did not get …

I have a problem trying out the Lambda expressions of Java 8. Usually it works fine, but now I have methods …

Map<String, String> phoneBook = people.stream() .collect(toMap(Person::getName, Person::getAddress)); I get java.lang.IllegalStateException: Duplicate …

I get the datetime value as created_at '2012-02-22T02:06:58.147Z' Read-only. The time at which this task …

Specifically, I have TabPane, and I would like to know if there is element with specific ID in it. So, …