Category: Articles

A software developer gives a tutorial on how to create a lightbox using ZK and its standard components, demonstrating the markup, CSS, and Java we need.

Learn to remove element from ArrayList. Remove element at specifed index, or element value. Remove all elements from arraylist for spcified value example.

I have the classic “Elvis operator” case, where I’m calling methods that each may return null and chaining them together:thing?:nullableMethod1(a)?:nullableMethod2(b)?:nullableMethod3()In Java …

The Java String contains() searches case sensitive substring in given string. It returns true if substring are found in the string otherwise returns false.

The confusion over the rights to use Oracle JDK vs Oracle’s OpenJDK builds vs OpenJDK builds from other providers has been untangled by the Java Champions.

A blog about Java

Native support for the maven surefire and failsafe plugins finally comes to JUnit 5, plus a fresh look at the four pillars of continuous testing.

First of all, wish you a very Happy New Year 2018. May God bless you to fulfill all your dreams. From last a couple of weeks, many of my re…

Posted on September 19, 2018 by Zlata Kalyuzhnaya The fresh IntelliJ IDEA 2018.3 EAP build that we have released today comes with ….

Even though we are now waiting for Java 11, the latest Java certification you can do is Java SE 8 Programmer 1 and 2, also known as OCAJP 8…

Moving from Java 8 to Java 11 is trickier than most upgrades. Here are a few of my notes on the process. (And here are a couple of other …

In one of my previous posts, I described how to create a custom policy file for one’s application. The process was manual and incremental. Because of that, it was painstakingly long, and hence not really useful. Since I wrote the post, I found a way to write the policy file

One of the coolest (and totally impractical for most developers) features added to Java recently, is the StackWalking API. In this short article, we’ll see…

In this post, we feature a comprehensive Example on Java 8 Convert Instant to ZonedDateTime. We will…

See a set of optimizations to apply when preparing production environment using Payara Server; and how to fine tune the critical aspects related to these optimizations.