public class TV implements Remote public void turnOn() System.out.println("TV ON"); public void turnOff() System.out.println("TV OFF");
This tests your knowledge of Deque (double-ended queue). Using an ArrayList here fails the performance test for 1 million operations. testdome java questions and answers
public class LCA public TreeNode lowestCommonAncestor(TreeNode root, TreeNode p, TreeNode q) if (root == null) return null; TestDome Java Questions and Answers: A Comprehensive Guide
: Use a HashSet to store unique song names or IDs as you iterate. public void turnOff() System.out.println("TV OFF")
:Find how many elements in a sorted array are less than a given value. Logic : Use Binary Search for