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Online Java Test for assessing job fit to find the best developers

The Java Test evaluates a candidate's knowledge and proficiency in Java. This pre-employment assessment objectively assesses a candidate's skills, knowledge, and conceptual understanding of Java before an interview. Using this online Java Test has enabled many enterprises to evaluate and hire the right-fit candidates as per industry standards. 

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Inside this Java Test

The online Java Assessment is a technical skill test used by hiring managers to screen candidates effectively based on their proficiency in core Java concepts, such as OOPS, operators, interfaces and inheritance, and advanced topics, such as multithreaded programming, error and exception handling, etc. It also includes a Java Online Coding Test to assess their basic programming skills.  

Designed by seasoned subject matter experts, this Java Test includes carefully selected questions that test for on-the-job skills. The test screens candidates for the specific skills recruiting managers look for in a Java developer with an experience of 0-2 years.  

 This 60-minute test comprises 18 multiple choice questions (MCQs) and one hands-on coding challenge to be conducted on a robust online coding simulator, Codelysis. Developed around Java best practices and standards, this Java Test enables employers to assess candidates on a range of skills essential for the success of a future hire.  

This online Java test helps to screen candidates for the following roles:  

  • Core Java developer  
  • Junior Java developer  
  • Java software developer  


Released in 1995 by Sun Microsystems, Java is a popular object-oriented programming language that has been widely used and needs no introduction in the world of techies. The growing demand for Java developers has created many opportunities for those who envision a successful career in Java. Role expectations and job responsibilities have also changed over time. Nowadays, a Java developer must possess the knowledge and skills in programming, software analysis, testing, and debugging, as well as the ability to make improvements to improve the existing processes, among other responsibilities.   

Competent employees are one of the cornerstones of any successful business. Therefore, finding and retaining the best candidate has become crucial for any organization eyeing immense success in an increasingly competitive landscape. Moreover, recruitment is a time-consuming and expensive process requiring a well-structured strategy in which pre-employment assessments play a pivotal part.  

Hiring an extremely competent Java developer could be tricky, even for experienced recruiters striving to save time, effort, and resources. Java Developer Tests are helpful here, enabling recruiters to streamline their talent assessment process efficiently. Therefore, they can find and hire those coders who write clean, error-free codes to solve the problem.   

Hiring managers can now save inordinate amounts of energy and resources when screening candidates from a vast pool of resumes. All thanks to the Java Online Pre-employment Test. From in-depth technical evaluation to objective insights into candidates’ employability skills, Java assessments cover it all, enabling recruiters to achieve their tech hiring goals efficiently and effectively.   

The Java Test is a proven tool for understanding the conceptual and skill-based knowledge of the candidate. Undoubtedly, this new-age tool takes precedence over traditional means of screening and provides insights to shortlist the best applicants for the next step of the selection process.   

What makes the Java Test an ideal tool for technical screening? Rather than relying only on past experiences, achievements, resumes, academic credentials, etc., these objective assessments focus on the candidate's skills, knowledge and competencies, making them a comprehensive evaluation tool. 

However, one could also consider what test type they should choose, given that there is no one-size-fits-all approach before selecting an assessment. For that, an organization's core business requirements and talent gaps dictate the need as to whether to choose a standard test or custom tailor it to leverage it for its talent acquisition goals.    

 Applications of Java tests

  • A general-purpose language, Java is a coveted programming language for desktop applications, embedded systems, enterprise-grade systems, and Android app development. Hence, proficiency in Java programming is essential for junior developers. The tech recruiters will gain more precise and objective insights into candidates' capabilities by conducting a Java Developer Test. Interestingly, the employers will be able to assess and onboard diverse, talented individuals without subjectivity or bias when conducting a walk-in or campus hiring drive.  
  • These tests can be pivotal in reskilling and workforce planning initiatives to accommodate the changing industry needs. For example, the insights generated from the Java Test result reports can be significantly helpful in creating a roadmap to address any potential skills gaps. In addition, when administered with psychometric tests, they can become a critical part of the holistic evaluation to uncover intriguing aspects of the candidate's personality and competencies.   


This Java Test is a part of following Skills Libraries

This Java skills assessment aims to screen candidates' domain and practical knowledge in Java, Java Full Stack, Java JDBC, Java MySQL, Java JSP, Java Oracle, and more. Streamline your hiring process with Mercer| Mettl Java skills assessment test.

Java Skills Test Competency Framework

Get a detailed look inside the test

Online Java Test Competencies Under Scanner

General Java Programming


Java Basics

This section covers Java basics: Strings and string methods, flow of control, operators, interfaces and inheritance, and constants variables and data types.


The following OOPs skills are included in this online Java test - Interfaces and inheritance, OOP concepts, classes objects, methods, and collections.

Advanced Topics

This section covers the following skills - Threads, multithreaded programming, error and exception handling, and exception handling.

Hands-on Programming

This Java Online Coding Test evaluates a candidate's coding skills with Mercer| Mettl's coding simulator.

Customize This Java Assessment Test

Flexible customization options to suit your needs

Set difficulty level of test

Choose easy, medium or hard questions from our skill libraries to assess candidates of different experience levels.

Combine multiple skills into one test

Add multiple skills in a single test to create an effective assessment. Assess multiple skills together.

Add your own questions to the test

Add, edit or bulk upload your own coding questions, MCQ, whiteboarding questions & more.

Request a tailor-made test

Get a tailored assessment created with the help of our subject matter experts to ensure effective screening.

The Mercer | Mettl Java Online Test Advantage

The Mercer | Mettl Edge
  • Industry Leading 24/7 Support
  • State of the art examination platform
  • Inbuilt Cutting Edge AI-Driven Proctoring
  • Simulators designed by developers
  • Tests Tailored to Your business needs
  • Support for 20+ Languages in 80+ Countries Globally

Java Assessment Can Be Setup in 4 Steps

Step 1: Add test

Add this test your tests

Step 2: Share link

Share test link from your tests

Step 3: Test View

Candidate take the test

Step 4: Insightful Report

You get their tests report

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Frequently Asked Questions (FAQs)

We can do so selectively. Please write to us about your request; we will be glad to assist.

The Java Screening Test is an employment screening tool to gauge the depth and breadth of candidates' knowledge of the Java language and determine whether they understand the nuances and intricacies of the language.   

There are plenty of learning resources available online for practicing Java coding. There are a variety of platforms, such as integrated development environment (IDE), text editors, etc., for the same. Besides, specific websites that provide extensive coverage on Java topics are also available online. However, candidates can practice solving various coding challenges and become better at solving different problems.   

In any Java-based interview, interviewers tend to ask questions around core Java. Here are some commonly asked questions that are crucial in job preparation:   

  • How would you explain the JVM architecture?   
  • What differentiates C++ from Java?   
  • Why is Classloader used in Java?   
  • Can you please explain the concepts ‘finally and finalize’ in Java?   
  • Please define static keywords.  
  • Which class is the superclass of all classes?   
  • What do you understand by Java typecasting?   
  • What is the role of the inner and anonymous inner class?   
  • What do you mean by Java integration?   

Yes, we can do it. We have previously customized the Java Test report for our clients. Please write to us with your request, and we will be glad to provide you with a solution. 

The Java Test will have a combination of multiple-choice questions and a coding question. The MCQ format allows for objective and instant grading and helps to assess candidates' on-the-job skills accurately. The coding challenge aims to evaluate hands-on programming with Java.

Yes. You can add questions based on your job description. In addition, the Java Test can be customized to include questions on all essential skills you want to emphasize.

The test helps to screen candidates for the following roles:  

  • Core java developer
  • Junior Java developer
  • Java software developer

Building a team of competent and skilled developers with Mercer | Mettl's Java Developer Test is easy. The Java Developer Test is best suited for assessing aspirants’ Java skills and assisting recruiters in avoiding bad hiring decisions. Choose our Java Online Test to interview and evaluate candidates. 

Either choose a tailor-made advanced Java Online Test from our extensive test library, create your assessment using our questions, or add yours per the job-specific competency framework. Additionally, we serve customized assessments across the employee lifecycle, including Candidate Skills Assessment, pre-employment screening, training, development programs for students/employees, certification exams, competitions, and more.   

The Java Skills Assessment gauges the depth and breadth of candidates' programming knowledge in the core Java language and their expertise in working with the commonly used parts of the Java class library. The Java Developer Test is a great option to help you efficiently conduct pre-employment screening. A competent Java developer can solve complex problems using Java and utilize the Java class library functionality to write clean and robust code. This Online Java Hiring Test requires test-takers to solve code challenges in Java and detect and fix bugs in a Java program.