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 ...

1. In Java, an Iterator is a interface that provides a way to traverse through a collection of objects, such as ArrayList or HashSet. 2 ...

Collections maintain an internal counter called modCount. Each time an item is added or removed from the Collection, counter gets incremented. However, this check is done without synchronization, so ...