In this blog we will learn about LinkedList.In general terms, LinkedList is a data structure where each element consist of three parts. First part represents the link to the previous element, second ...

Fatal Exception: java.util.ConcurrentModificationException: at java.util.ArrayList$Itr.next(ArrayList.java:860) at com.onesignal.common.modeling.ModelStore.persist ...

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 ...

An array in Java is a type of variable that can store multiple values. It stores these values based on a key that can be used to subsequently look up that information. Arrays can be useful for ...

In this blog we will learn how to iterate over the elements of a collection (here we considered ArrayList) using generics and without generics. First we will go through the process of using iterator ...

I've had this assignment over my head for months. I didn't finish it on time for one of my classes, so I pretty much abandoned it- planning to come back to it after the semester and get things working ...