Testdome Java Questions And Answers | 99% ULTIMATE |

abstract class BaseIceCream implements IceCream protected int scoops = 0; public void addScoop(String flavor) scoops++; public double getTotalPrice() return scoops * 1.5;

interface IceCream void addScoop(String flavor); double getTotalPrice();

public void attachWagonFromLeft(int wagonId) wagons.addFirst(wagonId); testdome java questions and answers

Task: Merge two sorted integer arrays into one sorted array. Do not use Arrays.sort() .

Input: [100, 4, 200, 1, 3, 2] → Output: 4 (because [1,2,3,4] is the longest streak). Expected Answer (Optimal O(n) solution): import java.util.HashSet; import java.util.Set; public class LongestConsecutive public static int longestConsecutive(int[] nums) nums.length == 0) return 0; Expected Answer (Optimal O(n) solution): import java

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Before writing code, manually list 5 edge cases. Write a comment block in your solution and then implement them. 3 Full TestDome-Style Java Problems (With Answers) Problem 1: User Input Validation Task: Write a method isValidPassword that returns true if the password is at least 8 chars, contains a digit, an uppercase letter, and a lowercase letter. Otherwise false. Before writing code, manually list 5 edge cases

public void query(String sql) // mock database query System.out.println("Executing: " + sql);