Practice Real Company Assessment Patterns • Latest 2025–2026 Mock Tests

Programming Exercises

Find the intersection of two arrays (common elements).

Medium

Problem Statement

Find the intersection of two arrays (common elements).

Sample Input

[1, 2, 3, 4], [3, 4, 5, 6]

Sample Output

[3, 4]

Limits

Time: 2s · Memory: 256 MB

Code Editor
00:00
import java.util.*; public class Main { public static List<Integer> findIntersection() { int[] arr1 = {1, 2, 3, 4}; int[] arr2 = {3, 4, 5, 6}; // Your code here return new ArrayList<>(); } }
Log in or sign up to run or submit your code.Log inSign up
Input
[1, 2, 3, 4], [3, 4, 5, 6]
Expected Output
[3, 4]