Aug 16, 2024 · Significant Differences between ArrayList and Vector: Synchronization: Vector is synchronized, which means only one thread at a time can access the code, while ArrayList is not synchronized, which means multiple threads can work on ArrayList at the same time.

Jun 6, 2010 · As the documentation says, a Vector and an ArrayList are almost equivalent. The difference is that access to a Vector is synchronized, whereas access to an ArrayList is not.

Apr 11, 2025 · ArrayList and Vector both implements List interface and maintains insertion order. However, there are many differences between ArrayList and Vector classes that are given below. 1) ArrayList is not synchronized. Vector is synchronized. 2) ArrayList increments 50% of current array size if the number of elements exceeds from its capacity.

Sep 11, 2022 · ArrayList and Vector both use Array as a data structure internally. However there are key differences between these classes. In this guide, you will learn the differences between ArrayList and Vector. ArrayList is non-synchronized, which means multiple threads can work on ArrayList at the same time.

Apr 4, 2025 · In this tutorial, we’re going to focus on the differences between the ArrayList and Vector classes. They both belong to the Java Collections Framework and implement the java.util.List interface. However, these classes have significant differences in their implementations.

Key Difference: Vector and ArrayList are both classes from the Java collection package. Vector is used to implement a dynamic array which grows automatically as per need basis. Like Vector, ArrayList is also an implementation of list interface. Vector is synchronized, whereas ArrayList is not synchronized.

Jun 5, 2024 · ArrayList and Vector are both classes in Java that implement dynamic arrays, allowing flexible resizing. ArrayList is unsynchronized, faster, and grows by 50%, while Vector is synchronized, grows by doubling, and is legacy.

Difference between Arraylist and Vector in Java: Both ArrayList and Vectors are dynamic arrays (resizable arrays) used to implement the list interface. Let's discuss some major differences between ArrayList and Vectors.

It’s very important to differentiate between ArrayList and Vector, so in this Collection framework tutorial we will learn what are differences and similarities between java.util.ArrayList and java.util.Vector in java. java.util.ArrayList is not synchronized (because 2 threads on same ArrayList object can access it at same time).

May 25, 2023 · 1) Vector and ArrayList are index-based and backed up by an array internally. 2) Both ArrayList and Vector maintain the insertion order of an element. This means you can assume that you will get the object in the order you have inserted if you iterate over ArrayList or Vector.