AWS re:Invent has just completed. It was a huge event with 50,000+ attendees across 7 of the biggest…
Service Mesh: Istio and AWS App Mesh
One of the big announcements at AWS re:Invent this week was the AWS App Mesh.Before talking abou…
StackOverFlowError: Causes & solutions – JAXenter
Java programmers: don’t let the dreaded StackOverFlowError throw you off course. Ram Lakshmanan explores this common error and what causes it.
Java 8 Stream Collectors groupingBy Example
1. IntroductionSQL GROUP BY is a very useful aggregation function. It groups database records on c…
Java Application Vulnerabilities – Dzone Refcardz
Java Applications, like any other, are susceptible to gaps in security. This Refcard focuses on the top vulnerabilities that can affect Java applications and how to combat them.
New Feature of Payara Platform 5.184: Automated Health Check Checker
Automated Health Check Checker – a new feature that allows you to configure an automated check within Payara Server to periodically poke the /health endpoint of all instances in a cluster, just as how the container manager would.
Immutable Map Implementations in Java | Baeldung
Explore the differences between an Unmodifiable Map and Immutable Map in Java.
How to Sort Array in Java Ascending and Descending Order of Elements With Example
Quite often we need to sort array in Java luckily java.util.Arrays class provide several utility method to sort java array of any type e….
generating map from list of objects having a map using java lambda8
Q&A for work. A dedicated place to share your team’s knowledge. I’ve an object, class Object2{ String name; String id; ….
Find only repeated String attributes in list with Java 8
I know below is the code to find out the occurrence of each String attributes in list , how can I filter this list with only duplicates item i.e having more than 1 occurrence. Sorry I am new to jav…
Memcached Java Client Tutorial using net.spy.spymemcached Library • Crunchify
Few days back I’ve written an article on how to setup and start MemCached Server locally on you Mac OS with few simple steps. There are three different
Apache Cayenne 4.0 —What It Is All About – DZone Java
We focus on the important features of Apache Cayenne 4.0 — database-first flow and the new query API that will make your ORM modeling and coding much easier.
java stream find match or the last one?
How to find the first match or the last element in a list using java stream?Which means if no element matches the condition,then return the last element.eg:OptionalInt i = IntStream.rangeClos…
IntelliJ IDEA: The Java IDE for Professional Developers by JetBrains
A Capable and Ergonomic Java IDE for Enterprise Java, Scala, Kotlin and much more…
Guide to Java 8 Comparator.comparing() | Baeldung
A practical guide to the static functions and instance methods of the Comparable interface that were introduced in Java 8.