![]() The main difference between an array and ArrayList is that the length of an array cannot be modified or extended. Difference Between Array and ArrayList in Java The ArrayList is a resizable array that stores a dynamic collection of elements found within the java.util package. An array is the basic built-in functionality of Java. After creation, the length of the array is fixed. For example, if we want to store the data of 50 books, we can create an array of the string type that can hold 50 books. What Is an Array in Java?Īn array is a collection of a fixed number of similar types of data. There are three different methods to convert an array to ArrayList in Java such as Arrays.asList(), Collections.addAll() and add().īefore proceeding with the demonstration, let us understand what is an array and ArrayList and how they differ from each other. ![]() This tutorial article will introduce different ways to create ArrayList from array in Java. Conversion of an Array To ArrayList Using add().Conversion of an Array to ArrayList Using Collections.addAll().Conversion of an Array to ArrayList Using Arrays.asList().Difference Between Array and ArrayList in Java.
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