Java Design Patterns Online Test

Candidates Assessed

12574+

Organizations Served

122+

iMocha's Java Design Patterns online test is the most preferred skills assessment for recruiters and hiring managers to assess candidate's design patterns skills. This assessment is useful for hiring Java developer and can help reduce hiring time by 40%.

Test Summary

Java Design Patterns online test helps to screen the candidates who possess traits as follows:

Strong experience of various patterns like Structural Patterns, Behavioral Patterns, Singleton Design Pattern, etc
Good knowledge of channeling messages and delivering guaranteed mechanism
Good understanding of using JDK factory methods and transfer objects
Familiarity with other patterns used in Java like Remote Proxy Design Pattern and DAO Pattern

Java Design Patterns online test is a secure and reliable way of candidate assessment. 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, image, audio & video 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, LogicBox (AI-based Pseudo-Coding Platform), Coding Simulators, True or False Questions, etc.

Test Duration: 20 minutes

No. of Questions: 10

Level of Expertise: Entry Level/Mid/Senior

Useful for hiring

Java Developer
Software Engineer – Java

Topics Covered

Structural Patterns

Java design patterns online test helps recruiters to assess candidates' ability to use structural patterns to make classes & objects reusable

Behavioral Patterns

This assessment helps tech recruiters to assess developers' skills related to behavioral design patterns to increase flexibility in carrying out communication patterns among objects

Singleton Design Pattern

This test assesses candidates' ability to use singleton design pattern in application so that one object can coordinate actions across the system

Remote Proxy Design Pattern

This assessment helps recruiters to evaluate candidates ability to use remote proxy design pattern to represent the object located remotely

DAO Pattern

Design patterns online test helps recruiters to evaluate candidate knowledge of using DAO pattern to separate low level data accessing API or operations from high level business services

Transfer Object

This assessment helps recruiters to quantify candidates' knowledge of using transfer object pattern to pass data with multiple attributes in one shot from client to server

JDK Factory Methods

Recruiters can use this test to evaluate candidate’s ability to use JDK factory method to create objects instead of direct constructor call

Messaging Channels

Design patterns online test helps recruiter to assess candidates' ability to use Messaging Channels to allow one application communicate with another

Guaranteed Delivery Mechanism

This assessment helps recruiters to evaluate a candidate’s ability to use a guaranteed delivery mechanism

Sample Questions

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

Question types:

Multiple Option

Topic:

Structural Patterns

Difficulty:

Hard

Q 1. The diagram shows that the client class has information about upper x and y and lower x and y. Although this is all we need to display rectangles, we have a legacy rectangle class that displays rectangles based on different parameters. We should not delete or change the legacy rectangle since it is already in use. Which design pattern could help us based on this diagram?

Java_Design_Pattern_image

Composite

Bridge

Adapter

Interpreter

Question types:

Multiple Answer

Topic:

Creational Patterns

Difficulty:

Hard

Q 2. You must upgrade applications created long ago for a client who manufactures kids' toys. Several design patterns are implemented in this project to ease the application's upgrading process. Firstly, you must recognize which design patterns are used and modify them, if necessary, with the new language features. Based on the diagram you've drawn from analyzing the code, which design pattern could this be a part of?

Floatchart image

Builder pattern

Strategy pattern

Abstract Factory pattern

Factory method

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Related Skills

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“When hiring Business Analysts, I had to assess the applicants on their logical reasoning & aptitude. However, assessing a large pool of candidates & acquiring unbiased results without any human hustle is difficult without an automated solution. With iMocha, I was able to filter more than 500 candidates within a short span of time.”