Jul 23, 2025 · In Java, subarrays are the contiguous portion of an array. Extracting subarrays in Java is common when working with data that needs slicing or partitioning. Java does not have a direct …

Jan 8, 2024 · We know that Java’s List has the subList () method, which allows us to slice the source List object. However, there’s no standard subArray () method on the array side.

A sub-array would be pointing to the original array like a sub-list. Changing an array element will not affect the original array whereas in a sub-array it would.

Mar 4, 2025 · In this tutorial, we will explore various methods to create a subarray from another array in Java. We will discuss the syntax, provide clear examples, and explain each method in detail.

Nov 12, 2025 · This blog post will provide a detailed guide on how to obtain all possible subarrays of an array in Java, covering fundamental concepts, usage methods, common practices, and best practices.

There are a few different ways to create a subarray from another array in Java: int [] subArray = Arrays.copyOfRange(originalArray, 1, 4); // subArray is now {2, 3, 4} int [] subArray = new int [3]; // …

Feb 22, 2023 · Java example of creating subarray from an array, i.e., creating array slice. Learn to use Java 8 Arrays.copyOfRange() method, along with converting the subarray to a List object.

Use Arrays.copyOfRange () method to get a subarray. Example import java.util.Arrays; public class Tester { public static void main(String[] args) { int[] array = new int[] {1, 2, 3, 4, 5}; int[] subArray = …

Jul 24, 2025 · A subarray is a contiguous part of array, i.e., Subarray is an array that is inside another array. In general, for an array of size n, there are n* (n+1)/2 non-empty subarrays.

Dec 8, 2025 · In this blog, we’ll demystify subarrays, explore methods to create them, and dive deep into fixing the copyOfRange error. By the end, you’ll confidently create subarrays and troubleshoot …