Java Online Test

Pre-employment skills assessment test powered by AI chatbot

Adaface Java Online Test will be customized to accurately evaluate on-the-job skills required for your role. This assessment test is useful when you are hiring candidates for roles like - Core Java Developer, Core Java Programmer, Backend Developer and can test candidate skills on topics like Core Java, Data Types, Threads, Servlets, General Aptitude;OOPs, classes, etc.

  • amazon
  • paypal
  • ef
  • lovebonito
  • singapore-government
  • niyo
  • optimum
1. Scorecards
Ada creates a detailed scorecard for every conversation with section wise breakdown and a pass/ fail recommendation.
1
Scorecards
Ada creates a detailed scorecard for every conversation with section wise breakdown and a pass/ fail recommendation.

Adaface is your new secret weapon

Custom assessments

We create custom assessments based on your ideal developer persona. Check out our library of 700+ skills.

Higher test taking rate

Average test taking rate of 86% as compared to an industry standard of 50%. Read more about candidate friendly features here.

Friendly talent brand

Our AI chatbot Ada leaves your candidate with a smile at the end of the chat. Check out our candidate wall of love here.

"Chatbot format of coding assessments is amazing!"

"With Adaface, we were able to optimise our initial screening process by upwards of 75%, freeing up precious time for both hiring managers and our talent acquisition team alike!"


- Brandon Lee, Head of People, Love, Bonito

"The hiring managers felt that through the technical questions that they asked during the panel interviews, they were able to tell which candidates had better scores, and differentiated with those who did not score as well. They are highly satisfied with the quality of candidates shortlisted with the Adaface screening."


- Human Resources Manager, Singapore Government

Why You Should Use This Test

The Java Online test helps recruiters and hiring managers to identify qualified candidates from a pool of resumes, and helps in taking objective hiring decisions. It reduces the administrative overhead of interviewing too many candidates and saves expensive engineering time by filtering out unqualified candidates.

The Adaface tests screen candidates for the typical skills recruiters look for in a Java developer:

  • Core Java knowledge 
  • OOPs fundamentals
  • Understanding on interfacing, class overriding, polymorphism
  • Experience with Java Classes, Streams, Java 8 Lambda

The insights generated from this assessment can be used by recruiters and hiring managers to identify the best candidates for the role. Anti-cheating features enable you to be comfortable with conducting assessments online. The Java developer test is ideal for helping recruiters identify which candidates have the technical skills to do well on the job.

Questions in this Test



Number of sections 5
Number of questions 17
Duration 60 minutes
Language English


The Java Online test is designed to test for Java fundamentals and hands on coding skills.

  1. Java fundamentals: These questions are designed to evaluate a candidate's knowledge and expertise of technical concepts in Java like OOPs, classes, interfaces, multithreading, design patterns, Java 8, exception handling etc.
  2. Coding skills: These questions are designed to assess a candidate's programming ability and debugging skills in Java. In addition, these also test for problem solving skills.


Core Java basics 5 MCQs
OOPs concepts 5 MCQs
Advanced Java topics 5 MCQs
Coding 1 coding question
Debugging 1 debugging question
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About This Test

The Java test will consist of ~15 MCQ, 1 coding challenge and 1 debugging challenge crafted by experts in the Java programming language and will cover a broad spectrum of topics within Java. Use this Java Online Quiz to streamline your hiring process.

The Java Online Test helps you screen candidates. Interview only candidates with proven hands-on technical expertise in Java development and programming.

The idea behind this online Java quiz is to help you assess on-the-job Java concepts, Core Java knowledge, coding and debugging skills with just one test.

Here is a sample list of topics (only for reference, actual topics and questions for your custom assessment will be chosen by our subject matter experts based on your job description/ ideal engineer persona).

  • OOPS concepts (Data Abstraction, Encapsulation, Inheritance, Polymorphism)
  • Core Java
  • Basic Java constructs like loops and data types
  • Java classes and collections
  • Java design patterns
  • String handling
  • Collection framework
  • Multithreading
  • Exception handling
  • Synchronisation
  • JVM and Garbage Collection
  • Serialisation & De-serialisation
  • Concurrent collection
  • JDBC (Java Database Connectivity)
  • Servlet
  • JSP
  • Web Services (SOAP & REST)
  • Struts
  • JSF
  • Spring (MVC, Core, JDBC, ORM, AOP)
  • Hibernate ORM framework

Sample Java Online Test Question

What will the following code output?

Sample Adaface Java Online Test Question

Sample Adaface Java Online Test Question

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Score Distribution

You should expect ~15% of the candidates to do well on Adaface assessments.

The score distribution for our assessments follow the normal curve, this is a good signal to make sure that . Standardized tests like SAT and GRE follow the normal distribution (bell curve)

Status quo assessments typically have the exact opposite of the bell curve (too many candidates getting close to 0, too many candidates getting close to 100 and too few candidates in the middle). This is typically because they focus on trick questions, which are very binary in nature- either you know the trick or you don’t.

FAQs

How do I interpret test scores?

The primary thing to keep in mind is that an assessment is an elimination tool, not a selection tool. As in an assessment is optimizing to help you eliminate candidates who are not technically qualified for the role, it is not optimized to help you find the best developer for the role. So the ideal way to use an assessment is to decide a threshold score (typically 60%, we help you benchmark) and invite all candidates who score above the threshold for the next rounds of interview.

What experience level can I use this test for?

Each Adaface assessment is customized to your job description/ ideal developer persona (our subject matter experts will pick the right questions for your assessment from our library of 5000+ questions). This assessment can be customized for Java developer roles for any experience level (unless the role is primarily a leadership/ non-programming role, we do not recommend you a use any automated assessments in that case).

Does every candidate get the same questions?

Yes, it makes it much easier for you to compare candidates. Options for MCQ questions and the order of questions are randomized. We have anti-cheating features in place. In our enterprise plan, we also have the option to create multiple versions of the same assessment with questions of similar difficulty levels.

I'm an engineer. Can I try a practice test?

No. Unfortunately, we do not support practice tests at the moment.

What is the cost for using the Java online test?

Please get in touch, we'll create a custom plan for you based on the number of assessments you need.

Can I get a free trial?

You can sign up for free and check out the platform here. The dashboard has a sample assessment for you to review the quality of questions and check out the candidate experience of a chat based assessment. Since our questions are premium, we are unable to share sample questions for a particular skill/ technology.

How do I use this?

Step 1

You request a custom assessment via the dashboard.

Step 2

Our subject matter experts review your assessment request and select the right questions to evaluate candidates for that role from our library of 5000+ questions.

Step 3

You get an email when the assessment is ready for use (within a maximum 48 hours of creating the request).

Step 4

Voila! You can start inviting candidates. You can read more about custom assessments here.

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(100% free to get started, no credit card required)

About The Role

Java is a high-level programming language originally developed by Sun Microsystems and released in 1995. Java runs on a variety of platforms, such as Windows, Mac OS, and the various versions of UNIX.

Java is class-based, object-oriented, and designed to have as few implementation dependencies as possible. It is intended to let application developers write once, run anywhere, meaning that compiled Java code can run on all platforms that support Java without the need for recompilation.

Java is one of the most portable languages available at a developer’s disposal. It’s possible for a great Java developer to build a highly distributed web application, a sophisticated desktop application, or even a powerful mobile application running on a handheld device. With the power of Java Virtual Machine behind the platform, sometimes a talented developer is all it takes to build a robust, secure, and efficient application. This Java Online Test for hiring candidates focuses on testing for on-the-job skills.

Typical Java Developer responsibilities include:

  1. Designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance
  2. Analyzing user requirements to inform application design.
  3. Defining application objectives and functionality
  4. Integrating applications by designing database architecture and server scripting; studying and establishing connectivity with network systems, search engines, and information servers.
  5. Supporting users by developing documentation and assistance tools.

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32 Carpenter St, Singapore 059911
Innov8 Coworking, 20th Main Rd, 7th Block, Koramangala, Bangalore, Karnataka, India 560095
© 2020 Adaface Pte. Ltd.

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