You can find the length (or size) of an ArrayList in Java using size() method. The size() method returns the number of elements present in… [Read More]

There are two ways to empty an ArrayList – By using ArrayList.clear() method or with the help of ArrayList.removeAll() method. Although both methods do the same… [Read More]

We have already discussed a bit about synchronization when we shared the tutorial on Vector vs ArrayList. As we are aware that ArrayList is non-synchronized… [Read More]

This tutorial will help you understand how to swap two elements in an ArrayList. We are using Collections.swap() method for swapping. public static void swap(List… [Read More]

In this tutorial, we will see how to get a sublist from an existing ArrayList. We will be using the subList() method of ArrayList class…. [Read More]

In this tutorial, we will see examples of ArrayList clone() method. This method creates a shallow copy of an ArrayList. Syntax: newList = oldList.clone() Creates… [Read More]

In this tutorial, we will write a java program to copy elements of one ArrayList to another ArrayList in Java. We will be using addAll()… [Read More]