Online SOLID Principles Test

Candidates Assessed


Organizations Served


iMocha’s SOLID Principles test is the ideal pre-hire test for recruiters and hiring managers to assess candidates objectively. This test is useful for hiring JavaScript Developer, Java Developer, and C# Developer. Our test helps to reduce hiring cost by 40%.

About Online SOLID Principles Test

Assessment test on SOLID principles helps recruiters & hiring managers to evaluate in-depth knowledge of candidate about the SOLID principles before hiring or recruiting. 

SOLID is a mnemonic acronym for five OOD (object-oriented design) principles that are intended to make software designs more understandable, flexible and maintainable. SOLID principles are used in programming languages such as Java, C#, etc.

The Online test on SOLID principles is specially designed to check application, practical skills related to S.O.L.I.D. principles of software developers – as per Industry Standards. Our SOLID principles test is created and validated by Subject Matter Experts.

Our intelligent reports give you the detailed hiring analytics of pre-employment test for SOLID principles that help in analyzing the skills of the candidates.

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Test Summary

This test may contain MCQs (Multiple Choice Questions), MAQs (Multiple Answer Questions), Fill in the Blanks, Whiteboard Questions, Audio / Video Questions, LogicBox (AI-based Pseudo-Coding Platform), Coding Simulators, True or False Questions, etc.  

This interview test for SOLID principle contains the combination of application and theory questions that helps you to evaluate technical as well as practical skills of candidates.

Test Duration: 20 minutes

No. of Questions: 10

Level of Expertise: Entry/Mid/Expert

Useful for hiring

  • Javascript Developer
  • Java Developer
  • C# Developer

Topics Covered

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Open Closed Principle (OCP)

iMocha’s SOLID principles test helps recruiters and hiring managers to evaluate candidate’s understanding about Open Closed Principle (OCP) which states entities such as classes, modules, functions, etc. In programming

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Interface Segregation Principle (ISP)

Our test checks applicant’s knowledge about interface segregation principle which helps in creating general-purpose interface by avoiding adding unnecessary functions

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Dependency Inversion Principle (DIP)

This test checks applicant’s understanding about Dependency Inversion Principle (DIP) which states that high-level modules should not depend on low-level modules

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Single Responsibility Principle (SRP)

Our assessment validates applicant’s knowledge about Single Responsibility Principle (SRP) in SOLID principles which states that a class only performs one task at a time as single responsibility of task

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Liskov Substitution Principle (LSP)

Our pre-employment test for SOLID principles evaluates candidate’s understanding about Liskov substitution principle which states that ability of replacing objects of a superclass with objects of its subclasses

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This test helps recruiters and hiring managers to evaluate candidate’s knowledge about SOLID principles which helps to solve problematic design patterns

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Our online test on SOLID principles evaluates candidate’s ability to reduce coupling of code

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Inversion of Control

This test checks applicant’s knowledge about Inversion of Control (IoC) principle which helps to invert the flow of control as compared to traditional control flow

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Violation in SRP

Our test evaluates candidate’s understanding about SRP violation when responsibilities start to collate with each other

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Types of DI

This online test on SOLID principles assesses candidate’s proficient knowledge about DI and its types

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DI Containers

Our test checks applicant’s knowledge about DI containers which provide software library that provides DI functionality and allows automating tasks

Sample Questions

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

Question types:

Multiple Option


Implementing SOLID



Q 1. You have created a set of services that implement the same API, but depending on the region, it implements different business logic. Also the services themselves must run in that region. How would you do this considering the liskov substitution principle?
You should use child services that run in each region, and each run different business logic
Each instance of API is a separate service, and polymorphic substitution is performed by a higher order service
Each instance of API is a separate service, and polymorphic substitution is performed by a lower order service
None of these

Question types:

Multiple Option


Implementing SOLID



Q 2. You are designing the architecture of a new application, and would like to ensure polyglot persistence. How would you do this by leveraging open/closed nature of a service based architecture for your application?
The data store should be designed to be extensible
Several data store technologies can be used and advertised using a single API
The data store technology is encapsulated and hidden behind separate APIs
The data store technology is encapsulated and hidden behind a single API

Sample Report

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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

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“The best part of iMocha is they have topic wise questions available. So if there is a need to evaluate Java or .Net skills of the employees, you can create specific assessments which will accurately measure their knowledge in that skill.”

Cheryl Tolkinen, Learning & Development Manager, Securian, USA

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