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Junior Java Developer Test
Test duration:
No. of questions:
Level of experience:
Entry Level

Junior Java Developer Test

The Junior Java developer test is the best tech screening assessment to evaluate the Java skills of the candidates. This junior Java developer assessment helps hire job-fit candidates in the Junior Java developer role and increases the interview-to-selection ratio by 62%.

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Junior Java Developer Test

The Junior Java developer test is designed and validated by experienced Subject Matter Experts (SMEs) to assess and hire a junior Java programmer as per industry standards. 

Why use iMocha’s junior Java developer assessment? 

Junior Java developer assessment helps employers in many ways, including hiring a job-fit candidate within a short period, taking unbiased employee performance appraisal decisions, and reducing candidate hiring time by 40% with our Java developer test. 

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How it works

Test Summary

Junior Java developer test helps to screen the candidates who possess traits as follows:

  • Excellent knowledge of Core Java 8 and its concepts
  • Strong experience and understanding of OOPs Concepts
  • Good knowledge of Java coding

Assessing candidates with a Java junior test online 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.

This test may contain MCQs (Multiple Choice Questions), MAQs (Multiple Answer Questions), Fill in the Blanks, Whiteboard Questions, Audio / Video Questions, AI-LogicBox, Coding Simulators, True or False Questions, etc. The Java skill test is designed considering EEOC guidelines and helps assess and hire Java developers without bias.

Useful for hiring
  • Entry Level Java Developer
  • Junior Java Developer
  • Java Application Developers ( 1-2 yrs of experience)
  • Java Junior Software Programmers ( 1-2 yrs of experience)
Test Duration
No. of Questions
Level of Expertise
Entry Level
Topics Covered

Core Java 8

The junior Java developer test quantifies the basic concept of the Java programming language.

OOPs Concepts

Junior Java developer assessment evaluates the candidate’s way of writing computer programs using “objects” to stand for data and method.

Java Coding

This assessment helps recruiters assess candidates' ability to create Java coding applications.



Sample Question
Choose from our 100,000+ questions library or add your own questions to make powerful custom tests.
Question type
Multiple Option
Topics covered
Lambda and Streams


Determine the output of the given code snippet implemented in a Java 8 application.

import java.util.HashMap;
import java.util.Map;
import java.util.
public class Demo {
    public static void main(String[] args) {
        Map < String,
        Integer > map = new HashMap < >();
        map.put("A", 1);
        map.put("B", 2);
        map.put("C", 3);
        map.put("D", 4);


  • 12341234
  • 11223344
  • 1234
  • Compilation error
A helicopter view of the employee's progress
Test Report
You can customize this test by

Setting the difficulty level of the test

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

Combining multiple skills into one test

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

Adding your own
questions to the test

Add, edit, or bulk upload your coding, MCQ, and whiteboard questions.

Requesting a tailor-made test

Receive a tailored assessment created by our subject matter experts to ensure adequate screening.
What is Junior Java Developer?
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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. Junior Java Developer’s role in Java is responsible for Java coding, SQL, design, database, web automations, etc. They work on both front-end and back-end codes to build an application.

What are the Java skills recruiter should look for while hiring a junior Java developer?
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Jr. Java Developer skills that you should learn as a coder are:

Technical Skills:

  • Core Java 8
  • JavaScript
  • J2EE Framework
  • JVM and Applets
  • JSP pages
  • Servlets
  • JSON
  • Object Oriented Analysis and Design
  • Test-driven development

Soft Skills:

  • Interpersonal Skills
  • Professionalism
  • Problem Solving Skills
  • Understanding Standards
  • Time management
  • Boundary Setting

Why use iMocha’s Java Knowledge Test- Junior Level?
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iMocha's junior Java developer test is designed to assess the java skills of entry level candidates for the post of junior Java Developer and enables tech recruiters/hiring managers to hire faster. Java Knowledge test – Junior is an assessment which includes coding questions that will help recruiters to:

  • Assess coding skills of Java Developer with ease
  • Reduce time-to-hire up to 50%
  • Reduce cost-per-hire
  • Take data driven hiring decisions with detailed and comparative candidate test performance reports.

What are few interview questions that recruiter/hiring manager should ask to Junior Java developer?
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Here are few interview questions that you can ask to Java developers & predict their technical proficiency:

  1. What are the main features of Java?
  2. Is Java a platform-independent language?
  3. What is a class in Java?
  4. What is method overloading in Java?
  5. What is Method Overriding in Java?
  6. What is Encapsulation Java?
  7. What is Inheritance in Java?
  8. Does Java support Multiple Inheritance?
  9. What is an abstract class in Java?
  10. State the difference between an abstract class and the interface?
How do you assess Junior Java Developer skills?
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iMocha’s Java knowledge test contains questions on Java programming concepts to assess and hire junior Java programmers. The Java knowledge test helps tech recruiters find the best potential junior developer for your organization.

Tech recruiters/hiring managers can utilize features like coding simulators, LogicBox questions, Live coding interviews to assess Java 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.