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Java Assessment Test

This Java test evaluates candidates' proficiency in Java programming, focusing on core concepts, object-oriented programming, and problem-solving skills. It is designed to assess the ability to write efficient code, understand Java libraries, and apply best practices in software development.

Proficiency Level
Beginner-Expert
Experience
0-8 years
Duration
40 mins
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Subject Matter Expert
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Use Case

  • Evaluates candidate's Java fundamentals, covering abstract classes and TreeMaps.
  • Assesses intermediate Java concepts: synchronization, inheritance, OOP, streams.
  • Tests advanced Java knowledge: static synchronization, Java 8 features, LocalDate.
  • Verifies practical skills in Java Collections via a hands-on project.

Skills Covered

Java

About

Java Assessment Test

This Java test is designed to assess the proficiency of candidates in Java programming, focusing on core concepts, object-oriented programming, and problem-solving skills. It evaluates the ability to write efficient code, understand Java libraries, and apply best practices in software development. The test is suitable for roles such as Software Developer and Spring Developer, providing a comprehensive evaluation of candidates' technical skills and readiness for real-world Java development challenges.

Target Audience

Software Developer, Spring Developer

Prerequisites
  • Strong understanding of Java programming language
  • Familiarity with object-oriented programming concepts
  • Experience with Java libraries and frameworks
  • Ability to write efficient and clean code
  • Knowledge of software development best practices
  • Problem-solving skills
  • Understanding of Java development tools and environments
Test Overview
Duration
40 mins
Questions
11
Passing Score
70%

Questions

Working with abstract classes
Java
Java
L2
OOPs
What this question evaluates
This question evaluates the candidate's understanding of Java abstract classes and their usage. It requires knowledge of abstract methods, inheritance, and compilation errors related to abstract classes in Java.
Type:
Programming
Difficulty:
Easy
Time:
0.75 mins
Attempts:
100+
Success Rate:
70.01%
Working with Tree Maps
Collections
Collections
Java
L2
What this question evaluates
This question evaluates the candidate's understanding of Java's TreeMap class and its key-value pairs. It requires knowledge of data structures, specifically TreeMap and how it stores unique keys in ascending order. The candidate must recognize that when adding duplicate keys, the previous value is replaced with the new value.
Type:
Programming
Difficulty:
Easy
Time:
0.75 mins
Attempts:
100+
Success Rate:
70.01%
Implementing a class having two synchronized methods
Java
Java
L2
Multithreading
What this question evaluates
This question evaluates the candidate's understanding of synchronization in multi-threaded programming. It tests their knowledge of how synchronized methods and constructors work, and the potential consequences of modifying an unsynchronized constructor to be synchronized.
Type:
Programming
Difficulty:
Easy
Time:
0.75 mins
Attempts:
100+
Success Rate:
70.01%
Inheritance concept in Java
Error Prevention
Error Prevention
Exception Handling
Inheritance
L3
Method Overriding
What this question evaluates
This question evaluates the candidate's understanding of Java's exception handling and method overriding, with a focus on identifying correct code replacements to prevent errors.
Type:
Programming
Difficulty:
Medium
Time:
1 mins
Attempts:
100+
Success Rate:
70.01%
Working with lists
Collections
Collections
Java
L3
What this question evaluates
This question evaluates the candidate's understanding of Java data structures and type casting. It requires knowledge of ArrayList, type safety, and object-oriented programming concepts. The candidate must recognize how ArrayList can store objects of a super type and retrieve objects of a sub type.
Type:
Programming
Difficulty:
Medium
Time:
1 mins
Attempts:
100+
Success Rate:
70.01%
OOPS Features Application
Abstraction
Abstraction
Encapsulation
Inheritance
Java Programming
OOPs
What this question evaluates
This question assesses the candidate's understanding of Object-Oriented Programming (OOP) concepts in Java and their application in terms of altering internal class representation, applying constraints on values, and executing arbitrary side effects without modifying user code.
Type:
Programming
Difficulty:
Medium
Time:
1 mins
Attempts:
100+
Success Rate:
70.01%
Working with Streams
Filter and modify list objects using streams
Filter and modify list objects using streams
Java
Java 8
L2
What this question evaluates
This question evaluates the candidate's understanding of Java's streams and the concept of groupingBy in the Collectors class. It requires knowledge of Java syntax and the ability to identify the result of a specific code snippet.
Type:
Programming
Difficulty:
Medium
Time:
1 mins
Attempts:
100+
Success Rate:
70.01%
Static synchronization in Java
Java
Java
L3
Multithreading
What this question evaluates
This question evaluates the candidate's understanding of static synchronization in Java. It requires knowledge of the `synchronized` keyword and its usage in both static methods and blocks. The candidate must be able to identify the correct alternative code that achieves the same task of synchronizing a static method in class A.
Type:
Programming
Difficulty:
Hard
Time:
1.25 mins
Attempts:
100+
Success Rate:
70.01%
Using Hash Maps in Java 8
Collection API Improvements
Collection API Improvements
Java
Java 8
L2
What this question evaluates
This question tests the candidate's understanding of Java 8 features, specifically the forEach() method in the Map interface. It assesses their knowledge of lambda expressions and how to use them in the context of iterating over a map. The candidate needs to predict the output of the given code snippet.
Type:
Programming
Difficulty:
Hard
Time:
1.25 mins
Attempts:
100+
Success Rate:
70.01%
Printing number of days in a month
Java
Java
Java 8
Java Date Time API
L2
What this question evaluates
This question evaluates the candidate's familiarity with the Java LocalDate class and its methods. It requires understanding of how to obtain the number of days in a certain month using the LocalDate class. The candidate must recognize and select the appropriate method to replace ABC in the given code snippet.
Type:
Programming
Difficulty:
Hard
Time:
1.25 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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Question Types

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Scoring Rules

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Time Settings

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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

Catch screen sharing and multi-screen usage instantly.

Pattern Analysis

Spot suspicious actions with AI-driven insights.

Access Control

Ensure secure tests with browser lockdown.
Dashboard mockup
Chloe Johnson
Candidate
Passed
85%
AI Summary
Skills Performance
Score
Java
87%
80%
85%
82%
Areas of Improvement
Review
Practice
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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Skill fit candidates
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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
Premium
US$ 240
40 credits / mo
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Add-on credit at $8/credit
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Comprehensive Assessment Capabilities
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Advance Skill Analytics
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Learning & Development Integration
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Employee Friendly User Experience
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Retention-Focused Features
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Advance compliance, security and audits
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Proactive support from WeCP Team
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Access to WeCP AI Copilot to save cost, time and improve outcomes
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Candidate Skills
US$ 100
10 credits / mo + 1 seat
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Add-on seat at $8 /seat
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Add-on credit at $10 /credit
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Use Prebuilt Questions
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Standard Cheat Prevention
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Smooth Candidate Experience
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Skill fit candidates
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Conduct face to face interviews
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ATS Integrations
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Standard compliance, security and audits
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Standard support from WeCP Team
Freemium
US$ 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
Premium
US$ 2388
500 credits / yr
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Add-on credit at $8 /credit
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Comprehensive Assessment Capabilities
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Advance Skill Analytics
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Learning & Development Integration
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Employee Friendly User Experience
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Retention-Focused Features
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Advance compliance, security and audits
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Proactive support from WeCP Team
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Access to WeCP AI Copilot to save cost, time and improve outcomes
Enterprise
Talk to us for a comprehensive solution that meets all your enterprise needs.
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