A ConcurrentModificationException happens on a page of my score that prevents the LINKS step from completing. I haven't been able to pinpoint a specific measure or ...

In this blog we will understand about Vector Class in Collection Framework. We use vector class to facilitate the growable nature of collection of objects. Like array we can access any member of the ...

When (re)starting KeyCloak (KC) and trying to request several REST API resources secured with KC at the same time we often get a ConcurrentModificationException ...

Iterators in Java typically expect exclusive access to the data structure they loop through. If another thread tries to modify a collection of objects while an ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Have you inadvertently run into Java’s ...

The Caves and Cliffs update will be coming in two parts, with the first one arriving as early as Summer. While fans are eagerly waiting for it, we have already seen glimpses of what is to come in the ...

I have multiple threads with a shared data object. The shared data object has a hashmap<string,string> in it. One of the data accessor methods iterates through the map, concatenating the values into a ...