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Fullstack Developer (Java + React)

This Fullstack Developer (Java + React) test evaluates candidates' proficiency in both front-end and back-end technologies, specifically focusing on React and Java. It is designed to assess the ability to build comprehensive web applications, ensuring candidates can handle both client-side and server-side development tasks effectively.

Proficiency Level
Beginner-Expert
Experience
0-8 years
Duration
85 mins
WeCP Verified
WeCP
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Use Case

  • Assesses Java proficiency and React framework implementation skills.
  • Evaluates ability in application design, error handling, and validation.
  • Tests understanding of data structures, algorithms, and time complexity.
  • Identifies top talent through hands-on projects and multiple-choice questions.

Skills Covered

Java
React
Verified
Easy
IT-Programming Languages/Framework
L1
MCQs(Single Correct)
+8 more
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About

Fullstack Developer (Java + React)

This Fullstack Developer (Java + React) test is designed to evaluate the proficiency of candidates in both front-end and back-end development, focusing on the essential skills of React and Java. The assessment aims to measure the ability to build and maintain comprehensive web applications, ensuring candidates can effectively manage both client-side and server-side tasks. It is an ideal tool for identifying individuals who can seamlessly integrate various technologies to deliver robust and scalable solutions, making it suitable for roles that require a versatile and dynamic approach to software development.

Target Audience

This assessment is ideal for hiring managers, recruiters, and technical leads looking to evaluate candidates for Fullstack Developer roles, particularly those requiring expertise in Java and React. It is suitable for entry-level to mid-level positions in software development teams.

Prerequisites
  • Strong understanding of Java programming language and its ecosystem
  • Proficiency in React and its core principles
  • Familiarity with RESTful APIs and web services
  • Knowledge of front-end technologies such as HTML, CSS, and JavaScript
  • Experience with version control systems like Git
  • Basic understanding of database management and SQL
  • Ability to write clean, maintainable, and efficient code
  • Familiarity with Agile development methodologies
Test Overview
Duration
85 mins
Questions
12
Passing Score
70%

Questions

Aggregation in Java Classes
Aggregation in Java
Aggregation in Java
Class Inheritance
Core Java
Java Class Hierarchy
Object-Oriented Programming
What this question evaluates
This question assesses the candidate's understanding of aggregation in Java, specifically within the context of class hierarchy design. The candidate must distinguish between general principles of class inheritance and aggregation.
Type:
Programming
Difficulty:
Medium
Time:
1 mins
Attempts:
100+
Success Rate:
70.01%
Working with loops
L2
L2
arithmetic operations
code comprehension
control structures
loops
What this question evaluates
This question tests the candidate's ability to understand and predict the output of a Java code snippet, focusing on loops, arithmetic operations, and basic control structures.
Type:
Programming
Difficulty:
Easy
Time:
0.75 mins
Attempts:
100+
Success Rate:
70.01%
Point out the errors in the code
Handling events
Handling events
L3
React
What this question evaluates
This question tests the candidate's ability to analyze and identify errors in a given code snippet. It evaluates their understanding of JavaScript syntax, specifically function definitions and prop usage. The candidate must be able to spot the correct error(s) from a list of options.
Type:
Programming
Difficulty:
Medium
Time:
1 mins
Attempts:
100+
Success Rate:
70.01%
Nested data
L2
L2
React
React State management
What this question evaluates
This question evaluates the candidate's knowledge of manipulating nested data structures in Redux. It tests understanding of how to update nested fields in the Redux state using the spread operator and object destructuring. The candidate must recognize the correct approach to copy all levels of nested data without mutating the original state.
Type:
Programming
Difficulty:
Medium
Time:
1 mins
Attempts:
100+
Success Rate:
70.01%
Reducer enhancer
L3
L3
React
React State management
What this question evaluates
This question evaluates the candidate's understanding of reducer enhancers in Redux and their ability to pass the relevant part of the state to each reducer. It requires knowledge of how Redux reducers work and how to enhance them. The candidate must identify the correct snippet that achieves the desired behavior.
Type:
Programming
Difficulty:
Medium
Time:
1 mins
Attempts:
100+
Success Rate:
70.01%
Presentationals vs Container Components
L3
L3
Presentationals vs Container Components
React
What this question evaluates
This question evaluates the candidate's ability to analyze and make inferences from a React component. It requires understanding of React concepts such as component rendering, event handling, and interacting with a store. The candidate must be able to identify the actions performed by the component based on its code.
Type:
Programming
Difficulty:
Medium
Time:
1 mins
Attempts:
100+
Success Rate:
70.01%
Selecting multiple options in a select tag
Debugging
Debugging
Form Handling
HTML
Select Tag
Syntax Knowledge
What this question evaluates
This question evaluates the candidate's understanding of syntax in working with form controls, specifically the select tags in a web development context.
Type:
Programming
Difficulty:
Medium
Time:
1 mins
Attempts:
100+
Success Rate:
70.01%
Supplying dynamically generated metadata
HTTP Methods
HTTP Methods
HttpServletResponse Class
Java Servlets
Metadata management
Web Server Programming
What this question evaluates
This question evaluates the candidate's knowledge of working with Java Servlets 4.0 and how to dynamically generate and send metadata at the end of a response.
Type:
Programming
Difficulty:
Medium
Time:
1 mins
Attempts:
100+
Success Rate:
70.01%
Worst case complexity of a Java Program
Algorithm Analysis
Algorithm Analysis
Bubble Sort
Java Programming
Nested Loops
Sorting Algorithms
What this question evaluates
This question tests the candidate's knowledge of time complexity analysis for sorting algorithms, specifically assessing their ability to identify the worst-case time complexity for a given code snippet.
Type:
Programming
Difficulty:
Medium
Time:
1 mins
Attempts:
100+
Success Rate:
70.01%
Printing all client names
Functional Interfaces
Functional Interfaces
HashMap
Iteration
Java Collections
Lambda Expressions
What this question evaluates
This question tests a candidate's understanding of Java Collections Framework, specifically HashMap, as well as functional interfaces and lambda expressions in Java 8 to iterate and print key-value pairs.
Type:
Programming
Difficulty:
Medium
Time:
1 mins
Attempts:
100+
Success Rate:
70.01%
Build a Cricket Team Building App using React
Error Handling
Error Handling
List Manipulation
Object-Oriented Programming
User Input Handling
Validation
What this question evaluates
This question assesses the candidate's ability in designing and implementing a mini-cricket league simulation app. It requires the understanding of application design, user input handling and validation, object-oriented programming principles, and basic error handling.
Type:
Programming
Difficulty:
Medium
Time:
60 mins
Attempts:
100+
Success Rate:
70.01%
Java Collections Word Analysis
Data Structures
Data Structures
Exception Handling
Java Collections Framework
Java I/O
User Interface Design
What this question evaluates
The question evaluates the candidate's understanding of Java collections and various operations like creating lists, sets, and maps. It extends to reading a text file using the BufferedReader class, handling exceptions, and designing a user-friendly interface.
Type:
Programming
Difficulty:
Medium
Time:
30 mins
Attempts:
100+
Success Rate:
70.01%
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Customization Options

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Tailor every aspect of your assessment to match your specific requirements. From question types to scoring algorithms, create the perfect evaluation environment.
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Question Types

Choose from multiple formats including MCQs, coding challenges, and system design questions.

Scoring Rules

Define custom scoring algorithms and weightage for different question types.

Time Settings

Set overall duration and individual question time limits.

Custom Branding

Add your company logo, colors, and custom welcome messages.

Candidate Experience

Interactive coding environment with real-time feedback
Clear instructions and test cases for each question
Built-in code editor with syntax highlighting
Immediate evaluation of submissions
Progress tracking throughout the assessment
Detailed explanations for correct answers
Time management tools to help pace yourself

Proctoring & Anti-Cheating

Sherlock AI Agent

Sherlock is more than just a tool, it's your AI test integrity agent. By continuously monitoring and analyzing candidate behavior in real-time, Sherlock ensures a secure and fair testing environment. Using machine learning, it detects suspicious patterns, so you can focus on reliable results while Sherlock handles test integrity.

Live Monitoring

Track behavior with real-time video and audio.

Screen Tracking

Multi-screen detection and continuous screen recording during assessment.

Pattern Analysis

Spot suspicious actions with AI-driven insights.

Access Control

Ensure secure tests with browser lockdown.
Real-time Monitoring
Video Feed
Active
Screen Activity
98%
Focus Rate
95%
Chloe Johnson
Candidate
Passed
85%
AI Summary
Skills Performance
Score
Java
87%
React
80%
Verified
85%
Easy
82%
Areas of Improvement
Review
Easy
Practice
React
Skill Assessment
Detailed evaluation of technical skills and problem-solving abilities.
AI Analysis
Machine learning-powered insights into candidate performance patterns.
Benchmarking
Compare results against industry standards and other candidates.
Action Items
Specific recommendations for skill development and improvement.

Pricing Plans

Freemium
US$ 0
5 credits / mo
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Conduct face to face interviews
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Standard compliance, security and audits
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Standard support from WeCP Team
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Freemium
US$ 0
60 credits / yr
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Use Prebuilt Questions
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Standard Cheat Prevention
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Smooth Candidate Experience
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Skill fit candidates
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Conduct face to face interviews
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ATS Integrations
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Standard compliance, security and audits
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Standard support from WeCP Team
Enterprise
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What Our Customers Say

"We have evaluated more than hundreds of thousands of techies using WeCP until now. The tool has been very effective in assessing strengths and weaknesses of candidates."
Allahbaksh Asadullah
Principal Product Architect, Infosys
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Frequently Asked Questions

How does AI proctoring work?
Our AI proctoring system, Sherlock, uses advanced machine learning algorithms to monitor candidate behavior in real-time. It analyzes video, audio, and screen activity to detect potential cheating attempts while maintaining candidate privacy.
Can I customise assessment templates?
Yes! All plans include access to our template library, and you can customize them to match your specific requirements. Professional and Enterprise plans offer additional customization options and the ability to create custom templates from scratch.
What type of reports are available?
We provide comprehensive reports including detailed skill assessments, AI-powered behavioral analysis, comparative analytics, and improvement recommendations. Reports can be customized and exported in various formats.
Is the platform suitable for remote hiring?
Absolutely! Our platform is specifically designed for remote hiring with features like secure browser lockdown, AI proctoring, and real-time monitoring. It ensures the same level of assessment integrity as in-person evaluations.
How do you ensure security of assessment data?
We implement enterprise-grade security measures including end-to-end encryption, secure data storage, and regular security audits. We comply with GDPR and other major data protection regulations.