Testdome Java Questions And Answers

Testdome Java Questions And Answers

Task:
Implement a cache that stores key-value pairs with a time-to-live (TTL). After TTL milliseconds, the entry expires and should not be returned.

import java.text.DecimalFormat;
public class Readability 
public static double computeScore(String text) 
if (text == null 

Edge cases handled:

Prompt: Refactor the AlertService and MapAlertDAO classes to remove the hardcoded dependency. Use dependency injection.

This is TestDome's favorite object-oriented design question. It checks whether you understand tight coupling vs. loose coupling.

Implement a method that, given two arrays of names (strings), returns a sorted array of unique names from both arrays. testdome java questions and answers

Alex’s thoughts:

His final code:

import java.util.*;
public class MergeNames 
public static String[] uniqueNames(String[] arr1, String[] arr2) 
Set<String> set = new TreeSet<>();
for (String name : arr1) set.add(name);
for (String name : arr2) set.add(name);
return set.toArray(new String[0]);
 Task: Implement a cache that stores key-value pairs

✅ TestDome passes: O(n log n) time, handles duplicates, sorted result.

Sample Question:
Given a list of Product objects (name, price, category), return the sum of prices for all products in category "Electronics", but only if the price > 100. Use Java streams. Edge cases handled: