Launching soon! The AI-powered interview tool – See it in action
Launching soon! AI-powered interview tool – View demo
Android Developer - Scoring Palindromes in a String Test | Pre-employment assessment - Testlify
Back to Test Library

Android Developer - Scoring Palindromes in a String Test

Overview of Android Developer - Scoring Palindromes in a String Test

scoring palindromes in a string: implement an algorithm to calculate scores based on palindromes of lengths 4 and 5 in a given string using java.

Skills measured

  • Java Programming Language
  • Linked Lists
  • Coding knowledge
  • Logical thinking

Available in



Coding Test


10 Mins





Use of Android Developer - Scoring Palindromes in a String test

The "Scoring Palindromes in a String" coding test challenges Android Developers to implement an algorithm in Java to calculate the score of a given string based on the occurrence of palindromes. The task involves identifying palindromes within the string, considering palindromes of length 4 and length 5. For each palindrome of length 4, a score of 5 is added, and for each palindrome of length 5, a score of 10 is added to the final score. Palindromes can overlap within the string but must be continuous and non-circular.

This test evaluates candidates' proficiency in Java programming, string manipulation, and their ability to devise efficient algorithms for scoring palindromes. It is relevant for Android Developers seeking to showcase their skills in Java development, algorithmic problem-solving, and handling string operations.

Relevant for

  • Android Developer
  • Java Developer
  • Software Engineers
  • Android Architect
  • Android Application Developer

Hire the best,
every time,


Customer satisfaction

Testlify helps you identify the best talent from anywhere in the world, with a seamless experience that candidates and hiring teams love every step of the way.


Java Programming Language

In the Android Developer - Scoring Palindromes in a String project, the Java Programming Language skill is crucial for implementing the logic to identify palindromes in a given string. Understanding Java is essential as it enables developers to efficiently manipulate strings, iterate through characters, and compare them for palindrome validation. This skill is important in Android development as it allows developers to create efficient and reliable algorithms for solving various problems, improving the overall performance and user experience of the application.


Linked Lists

In the Android Developer - Scoring Palindromes in a String course, Linked Lists are covered as they are essential data structures for efficiently storing and manipulating data. Linked Lists are particularly useful for this problem as they allow for dynamic memory allocation and easy insertion and deletion of elements. By understanding and implementing Linked Lists, developers can efficiently traverse and manipulate data to solve problems like scoring palindromes in a string. This skill is important for optimizing memory usage and improving the performance of algorithms in Android development.


Coding knowledge

In the Android Developer - Scoring Palindromes in a String coding challenge, knowledge of string manipulation, loops, conditionals, and algorithms is crucial. String manipulation is essential for identifying and extracting palindromes from the input string. Loops are necessary for iterating through the characters of the string and checking for palindromes. Conditionals are used to determine whether a substring is a palindrome or not. Algorithms are employed to calculate the score of each palindrome based on its length and position within the string. Understanding and applying these coding skills are important for efficiently solving the problem and producing accurate results.


Logical thinking

Logical thinking skills are essential in the Android Developer - Scoring Palindromes in a String project as they involve analyzing and breaking down complex problems into smaller, manageable tasks. These skills help developers to identify patterns, formulate algorithms, and efficiently solve problems by considering all possible scenarios. By thinking logically, developers can optimize their code, improve efficiency, and create robust solutions for scoring palindromes in a string. Logical thinking skills are crucial in software development as they enable developers to approach problems methodically and come up with effective solutions.

The Android Developer - Scoring Palindromes in a String test is created by a subject-matter expert

Testlify’s skill tests are designed by experienced SMEs (subject matter experts). We evaluate these experts based on specific metrics such as expertise, capability, and their market reputation. Prior to being published, each skill test is peer-reviewed by other experts and then calibrated based on insights derived from a significant number of test-takers who are well-versed in that skill area. Our inherent feedback systems and built-in algorithms enable our SMEs to refine our tests continually.

subject matter expert

Why choose Testlify

Elevate your recruitment process with Testlify, the finest talent assessment tool. With a diverse test library boasting 1500+ tests, and features such as custom questions, typing test, live coding challenges, Google Suite questions, and psychometric tests, finding the perfect candidate is effortless. Enjoy seamless ATS integrations, white-label features, and multilingual support, all in one platform. Simplify candidate skill evaluation and make informed hiring decisions with Testlify.

Frequently Asked Questions (FAQs)

Want to know more about Testlify? Here are answers to the most commonly asked questions about our company

Yes, Testlify offers a free trial for you to try out our platform and get a hands-on experience of our talent assessment tests. Sign up for our free trial and see how our platform can simplify your recruitment process.

To select the tests you want from the Test Library, go to the Test Library page and browse tests by categories like role-specific tests, Language tests, programming tests, software skills tests, cognitive ability tests, situational judgment tests, and more. You can also search for specific tests by name.

Ready-to-go tests are pre-built assessments that are ready for immediate use, without the need for customization. Testlify offers a wide range of ready-to-go tests across different categories like Language tests (22 tests), programming tests (57 tests), software skills tests (101 tests), cognitive ability tests (245 tests), situational judgment tests (12 tests), and more.

Yes, Testlify offers seamless integration with many popular Applicant Tracking Systems (ATS). We have integrations with ATS platforms such as Lever, BambooHR, Greenhouse, JazzHR, and more. If you have a specific ATS that you would like to integrate with Testlify, please contact our support team for more information.

Testlify is a web-based platform, so all you need is a computer or mobile device with a stable internet connection and a web browser. For optimal performance, we recommend using the latest version of the web browser you’re using. Testlify’s tests are designed to be accessible and user-friendly, with clear instructions and intuitive interfaces.

Yes, our tests are created by industry subject matter experts and go through an extensive QA process by I/O psychologists and industry experts to ensure that the tests have good reliability and validity and provide accurate results.

Hire with Facts, not Fiction.

Resumes don’t tell you everything! Testlify gives you the insights you need to hire the right people with skills assessments that are accurate, automated, and unbiased.

©2024 Testlify All Rights Reserved

Please enable JavaScript in your browser to complete this form.


[fluentform id=”23″]

Get 40% off on your first year’s billing!

Hurry and make the most of this special offer before it expires.

New customers only.

[fluentform id=”21″]

Test library request

These are upcoming tests. If you wish to prioritize this test request, we can curate it for you at an additional cost.

Please enable JavaScript in your browser to complete this form.
No settings found for the grid #1.