Java Machine Test- Medium Level Coding

Candidates Assessed


Organizations Served


Java machine test helps tech recruiters & hiring managers to assess the programming skills of the Java developer (Mid-Level) before hiring. This Java practical test has helped our customers reduce technical screening time by 85%.

About Java Machine Test- Medium Level Coding

Java practical test is designed & validated by experienced Subject Matter Experts (SME) to assess & hire mid-level Java developer as per the industry standards.   
Why use iMocha’s Java machine test?   
Java machine test uses coding simulator to evaluate a candidate’s written codes using multiple test cases. You will also get a detailed report for each test case execution. You can reduce hiring cost by 45%. 

Are you a jobseeker looking to sharpen your skills?

Test Summary

Assessing candidates with our machine test for Java developers is secure and reliable. You can use our role-based access control feature to restrict system access based on the roles of individual users within the recruiting team. Features like window violation and webcam proctoring help detect cheating during the test.   
Practical test for Java may contain Coding Simulation Questions and Innovative AI-LogicBox to assess a candidate's practical coding skills in a fun & quick way. 

Test Duration: 40 minutes

No. of Questions: 2

Level of Expertise: Entry-level/Mid/Senior 

Useful for hiring

  • Mid-Level Developer-Java
  • Experienced Java Programmer
  • Java Developer with 2 to 5 years of experience

Sample Questions

Choose from our 100,000+ question library or add your own questions to make powerful custom tests

Question types:



String Manipulation



Q 1. Write a code to remove duplicate occurrences of a character in a string.

Input Format
The line contains the string

Output Format
Print the modified string

Sample Input

Sample Output

Sample Report

View Full Report . . .

Skill wise performance report by iMocha

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You can customize this test by

difficulty level
Setting difficulty level of test      

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

multiple skills
Combining multiple skills into one test

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

adding own skill
Adding your own questions to the test

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

tailor made test
Requesting a tailor-made test                  

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

Trusted By

Megan Akhras, Co-founder & director, JExcelle, Canada
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“We are a tutoring agency, wherein the crux of our business lies in the quality of the tutors we hire. Hence it is imperative that our hiring is top notch. We were impressed by the caliber, depth, and breadth of the assessments provided by iMocha. With iMocha, we have found a great assessment tool for our hiring requirements.”

Megan Akhras, Co-founder & director, J'Excelle, Canada

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Frequently Asked Questions

What is Java Coding - Medium Level?

Java is a multiplatform coding language that is used by programmers to design few implementations through its English-based commands. The first version of Java coding language was introduced in the year 1995 by James Gosling. This coding language is widely used in web development, android apps, big data, etc. Java Coding medium level test is based on the coding questions that helps to assess the intermediate level coding knowledge of the Java developers. The intermediate level Java programmer must have knowledge of some Java build tools and Java web frameworks apart from the basic coding.

What are the intermediate level Java skills recruiter should look for while hiring Java developer?

You need to consider below key skills while hiring Java developer with medium level coding knowledge:

Technical Skills:

  • Core Java - Medium
  • Serialization in Java
  • Java Frameworks
  • Abstract Classes and Interfaces
  • Java Build Tools
  • Web Technologies
  • Java Testing Tools like Selenium

Soft Skills:

  • Interpersonal Skills
  • Work Ethics
  • Analytical Thinking
  • Good Communication

Why use iMocha’s Java Coding Test- Medium Level?

iMocha's Java practical test offerings are designed to help tech recruiters/hiring managers assess candidates on various experience levels (Entry level, intermediate and experienced). Java coding test –medium level is an assessment which includes some medium level coding questions that will help recruiters to:

  • Reduce hiring time up to 50% with automated Java machine test
  • Reduce 85% of candidate filtration time
  • Take data driven hiring decisions with comprehensive and comparative reports of the assessments

What are few interview questions that recruiter/hiring manager should ask to intermediate level Java developer?

Here are few interview questions that you can ask to Java developers & predict their technical proficiency:

  • Explain to me about memory management and garbage collection in Java?
  • When will you use a transient variable in Java?
  • What happens if you don't call wait and notify from the synchronized block?
  • What is transient in Java?
  • What is autoboxing and auto unboxing?
  • What are some ways that you could sort a collection?
  • In Java, how fast is direct lookup in a hash map theoretically, and why is it often slower in reality?
  • Which two methods do you have to override for an object to be usable as a key in a hash map?
  • Tell us the details of an interesting problem you worked on. What made it interesting?
  • How do you work with different teams/departments?

How do you assess intermediate level Java coding skills?

iMocha's practical test for Java is based on concepts of Java programming which are required for intermediate level Java developer. This assessment includes over 150 intermediate level coding questions to choose from and share it with candidates.

Tech recruiters/hiring managers can utilize features like coding simulators, LogicBox questions, Live coding interviews to assess Java coding skills of the developers. CodeReplay feature helps reviewer to replay screen capture of line-by-line code written by candidate. While, coding simulators comes with several candidate friendly features like default code stubs, intellisense, multiple test cases, so that candidates can focus more on algorithm to solve coding challenges. Hiring managers can use live coding interview to conduct coding assessments real time.

How do you conduct technical skills assessment?

You can conduct remote technical skills assessments with 4 easy steps with iMocha:

  1. Select from 1000+ technical skills tests or Job role-based assessments from iMocha’s skill library. Ensure test integrity by adding cheating prevention measures like image, audio, video proctoring, and window lock, etc.
  2. Invite candidates through an email by sharing assessment link
  3. Get comprehensive and shareable reports upon completion of the online technical assessment
  4. Identify right candidates for further interviews