JavaScript Arrays Coding Practice Problems Last Updated : 24 Feb, 2025 Comments Improve Suggest changes Like Article Like Report Arrays are one of the most fundamental data structures in JavaScript, allowing efficient storage and manipulation of data. This curated list of Coding Practice Problems will help you to master JavaScrip Arrays. Whether you're a beginner or an experienced developer, these problems will enhance your JavaScript array manipulation skills!Arrays Practice ProblemsEasyArray SearchSize of an ArrayLargest Element in ArrayDay of the weekSecond LargestThird largest elementThree Great CandidatesMove All Zeroes to EndReverse array in groupsWave ArrayAdding OneRepetitive Addition Of DigitRemove Duplicates Sorted ArrayAlternate Positive NegativeProduct array puzzleEquilibrium PointConvert array into Zig-ZagMissing in ArrayCheck Equal ArraysConvert to Roman NoClosest StringsDivisible by 7Encrypt the string - 2Isomorphic StringsEqual point in a string of bracketsMediumCheck if array is sortedCount the ZerosAveragePascal TriangleDeterminant of a MatrixNumber of pathsRotate ArrayArray LeadersMissing And RepeatingMissing ranges of numbersMajority ElementMajority Element IIStock Buy and SellMinimize the Heights IIKadane's AlgorithmMaximum Product SubarraySubarrays Product Less than KSplit array in three equal sum subarraysMaximize Number of 1'sMin Swaps to Group 1sSort 0s, 1s and 2sRearrange Array AlternatelyK-th element of two ArraysIndexes of Subarray SumMinimum PlatformsForm the Largest NumberLargest subarray with 0 sumHardSegmented SieveStock Buy and Sell – Multiple TransactionLast Moment Before All Ants Fall Out of a PlankTrapping Rain WaterMax Circular Subarray SumSmallest Positive MissingMinimum JumpsNot a subset sumSmallest range in K listsCandy problemSubarrays with K Distinct IntegersNext Smallest PalindromeSwapping pairs make sum equalMax sum in the configurationArrays QuizArrays Comment More infoAdvertise with us Next Article JavaScript Arrays Coding Practice Problems S souravsharma098 Follow Improve Article Tags : JavaScript Web Technologies JavaScript-DSA JavaScript-Questions JavaScript-Quiz +1 More Similar Reads JavaScript Array Interview Questions and Answers JavaScript Array Interview Questions and Answers contains the list of top 50 array based questions that are frequently asked in interviews. The questions list are divided based on difficulty levels (Basic, Intermediate, and Advanced). This guide covers fundamental concepts, common problems, and prac 15+ min read Arrays in Java Arrays in Java are one of the most fundamental data structures that allow us to store multiple values of the same type in a single variable. They are useful for storing and managing collections of data. Arrays in Java are objects, which makes them work differently from arrays in C/C++ in terms of me 15+ min read Java Array Exercise An array is a group of elements with similar data types that are bound together as one. The array allows us to store and manipulate a collection of elements together. Mastering arrays is essential for any Java developer, as it provides a solid foundation for more complex data structures and algorith 7 min read How to Declare an Array in Java? In Java programming, arrays are one of the most essential data structures used to store multiple values of the same type in a single variable. Understanding how to declare an array in Java is very important. In this article, we will cover everything about array declaration, including the syntax, dif 3 min read Java Arrays Coding Practice Problems Arrays are a fundamental data structure in Java programming, enabling efficient storage, manipulation, and retrieval of elements. This collection of Java array practice problems covers essential operations, including array traversal, sorting, searching, matrix manipulations, and element-wise calcula 2 min read How to Initialize an Array in Java? An array in Java is a linear data structure that is used to store multiple values of the same data type. In an array, each element has a unique index value, which makes it easy to access individual elements. We first need to declare the size of an array because the size of the array is fixed in Java 5 min read Output of Java Programs | Set 47 (Arrays) Prerequisite : Arrays in Java Question 1. What is the output of this question? JAVA class Test1 { public static void main(String[] args) { int arr[] = { 11, 22, 33 }; for (int i = 0; i < arr.length; i++) System.out.print(arr[i] + " "); System.out.println(); int arr2[] = new int[3]; arr2 2 min read Output of Java Programs | Set 32 Prerequisite : Arrays in Java Question 1. What is the output of following program? JAVA class ArrayDemo { public static void main(String[] args) { int arr1[] = { 1, 2, 3, 4, 5 }; int arr2[5] = { 1, 2, 3, 4, 5 }; for (int i = 0; i < 5; i++) System.out.print(arr1[i] + " "); System.out.pri 3 min read Arrays Class in Java The Arrays class in java.util package is a part of the Java Collection Framework. This class provides static methods to dynamically create and access Java arrays. It consists of only static methods and the methods of an Object class. The methods of this class can be used by the class name itself.The 15 min read Array Declarations in Java (Single and Multidimensional) In Java, an Array is used to store multiple values of the same type in a single variable. There are two types of arrays in Java:Single-dimensional arraysMulti-dimensional arraysIn this article, we are going to discuss how to declare and use single and multidimensional arrays in Java.Single-Dimension 6 min read Like