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New posts in java-8
How to group objects from a list which can belong to two or more groups?
Mar 14, 2022
java
java-8
java-stream
grouping
java: reduce vs anyMatch vs contains
Nov 06, 2022
java
java-8
java-stream
How to filter a List using Java 8 stream and startwith array of values
Nov 05, 2022
java
java-8
java-stream
startswith
Java 8 timezone for Instant.EPOCH is incorrect
Oct 20, 2022
java
java-8
timezone
timezone-offset
RejectedExecutionException inside single executor service
Feb 27, 2022
java
java-8
executorservice
CompletableFuture to execute multiple DB queries asynchronously
Mar 20, 2022
java
multithreading
java-8
parallel-processing
completable-future
Filter map and return list of keys
Sep 22, 2022
java
list
dictionary
java-8
java-stream
Is it possible to debug Lambdas in Java 8
May 30, 2022
java
debugging
netbeans
lambda
java-8
Trying to understand lambda and stream in Java 8
Oct 21, 2022
java
collections
lambda
java-8
java-stream
Why java.util.function doesn't define specialized functional interfaces for all primitive types?
Sep 22, 2022
java
functional-programming
java-8
How to find "default" method from an interface using java reflection?
Mar 10, 2022
reflection
java-8
How to get all elements of a list by instance?
Jun 06, 2022
java
generics
collections
java-8
java-stream
Java Optional why not an ifNotPresent method?
Sep 07, 2022
java-8
optional
flatMap() to convert a stream of LinkedList<String> into a stream of String
Oct 21, 2022
java
java-8
java-stream
flatmap
Serialization of Java 8 ZonedDateTime with Jackson and JavaTimeModule
Oct 29, 2022
java
json
serialization
jackson
java-8
Java - groupingBy with collectingAndThen - Is there a faster / better / cleaner way?
Mar 24, 2022
java
lambda
java-8
grouping
collectors
Do specialized Optional types (OptionalInt, OptionalDouble, etc) perform a heap allocation?
Mar 28, 2020
java
java-8
Recursive Sum of digits of number(until digit is less than 10) java 8 lambdas only
Jun 10, 2022
java
recursion
lambda
java-8
java-stream
Why does isAnnotationPresent work differently between Java 7 and Java 8?
Nov 02, 2022
java
reflection
annotations
java-8
java-7
Using streams to find an object in a list of lists [duplicate]
Aug 18, 2022
java
java-8
java-stream
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