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Java, Spring & Hibernate Online Test

About the test:

The Java Spring Hibernate Test evaluates candidates' skills in Java programming language and its frameworks Spring and Hibernate using scenario-based MCQs. The key skills/topics evaluated in the test include knowledge of Spring framework, understanding of Hibernate ORM, familiarity with Java concepts like interfaces, inheritance and abstraction, understanding of web services, experience with data structures and algorithms, and knowledge of software design patterns. The test also include a coding question to check hands-on programming skills.

Covered skills:

  • Java syntax and basics
  • Working with Databases in Java
  • Basics of Spring framework
  • Securing web applications with Spring Security
  • Stored Procedure Queries
  • Java Programming
  • Java OOPs
  • Java data structures
  • Spring bean lifecycle
  • Hibernate ORM (Object Relational Mapping)
  • Hibernate Sessions

9 reasons why
9 reasons why

Adaface Java, Spring & Hibernate Test is the most accurate way to shortlist Java Developers



Reason #1

Tests for on-the-job skills

The Java, Spring & Hibernate Online Test helps recruiters and hiring managers identify qualified candidates from a pool of resumes, and helps in taking objective hiring decisions. It reduces the administrative overhead of interviewing too many candidates and saves time by filtering out unqualified candidates at the first step of the hiring process.

The test screens for the following skills that hiring managers look for in candidates:

  • Understanding Java syntax and basics
  • Applying object-oriented programming principles in Java
  • Working with databases and executing queries in Java
  • Utilizing different data structures in Java
  • Understanding the basics of the Spring framework
  • Managing the complete lifecycle of Spring beans
  • Implementing web application security using Spring Security
  • Implementing Object Relational Mapping using Hibernate
  • Executing stored procedure queries in Hibernate
  • Understanding the concepts and usage of Hibernate sessions
  • Demonstrating proficiency in Java programming
Reason #2

No trick questions

no trick questions

Traditional assessment tools use trick questions and puzzles for the screening, which creates a lot of frustration among candidates about having to go through irrelevant screening assessments.

View sample questions

The main reason we started Adaface is that traditional pre-employment assessment platforms are not a fair way for companies to evaluate candidates. At Adaface, our mission is to help companies find great candidates by assessing on-the-job skills required for a role.

Why we started Adaface
Reason #3

Non-googleable questions

We have a very high focus on the quality of questions that test for on-the-job skills. Every question is non-googleable and we have a very high bar for the level of subject matter experts we onboard to create these questions. We have crawlers to check if any of the questions are leaked online. If/ when a question gets leaked, we get an alert. We change the question for you & let you know.

How we design questions

These are just a small sample from our library of 10,000+ questions. The actual questions on this Java, Spring & Hibernate Test will be non-googleable.

🧐 Question

Easy

Custom Exception
Exception Handling
Custom Exceptions
Solve
What does the following code output?
 image

Hard

Holding References
Solve
What does the following Java code output?
 image

Medium

Abstract Interface
OOPs
Interfaces
Solve
Given following interface:
 image
Which of these are correct classes?
 image

Medium

Garbage Collection
Garbage Collection
Solve
After which line is "bs" object, created on Line 4, eligible for garbage collection?
 image

Hard

Static Init Blocks
OOPs
Solve
What does the following code output?
 image
1) G A B E D H
2) G B A D E H
3) G B A D E H C F
4) C F G A B E D H
5) C F G B A D E H
6) G C F A B E D H
7) G C F B A D E H

Medium

Autowiring Service
Solve
Review the following two Spring components- SampleA and SampleB:
 image
 image
Notice @Autowired line added to SampleService in SampleB (rest of the code is same for both components). What happens when the components are run as a @SpringBootApplication?
A: SampleA prints true null
B: SampleA prints true class package.SampleService
C: SampleA throws a null pointer exception
D: SampleA prints false null

E: SampleB prints true null
F: SampleB prints true class package.SampleService
G: SampleB throws a null pointer exception
H: SampleB prints false null

Medium

Bean init and afterPropertiesSet
Beans
Solve
Spring allows specific operations to be performed after the bean is initialized and before the bean is destroyed. Review the following sample Bean that implements init method and overrides afterPropertiesSet. 
 image
Here’s the bean definition added to the configuration file:
 image
What does the code print when the Spring container is started?

Medium

Boot Autowiring
Spring Boot
Solve
Review the following Spring Boot application code:
 image
Here are two possible SampleConfig class definitions:
 image
When the code is run as @SpringBootApplication, what would happen?

A: Using X as SampleConfig will print- true SimpleDateFormat
B: Using X as SampleConfig will print - true class java.text.SimpleDateFormat
C: Using X as SampleConfig will print a NullPointerException stacktrace
D: Using X as SampleConfig will print a BeanDefinitionParsingException stacktrace

E: Using Y as SampleConfig will print- true SimpleDateFormat
F: Using Y as SampleConfig will print - true class java.text.SimpleDateFormat
G: Using Y as SampleConfig will print a NullPointerException stacktrace
H: Using Y as SampleConfig will print a BeanDefinitionParsingException stacktrace

Medium

EntityManager
Solve
Here's a way to insert 100,000 entries into Hibernate:
 image
Which of the following statements are true about this implementation?
A: The code might fail with OutOfMemoryException
B: Long running transactions can deplete connection pool
C: Every insert statement requires a database roundtrip

Easy

Registration Queue
Logic
Queues
Solve
We want to register students for the next semester. All students have a receipt which shows the amount pending for the previous semester. A positive amount (or zero) represents that the student has paid extra fees, and a negative amount represents that they have pending fees to be paid. The students are in a queue for the registration. We want to arrange the students in a way such that the students who have a positive amount on the receipt get registered first as compared to the students who have a negative amount. We are given a queue in the form of an array containing the pending amount.
For example, if the initial queue is [20, 70, -40, 30, -10], then the final queue will be [20, 70, 30, -40, -10]. Note that the sequence of students should not be changed while arranging them unless required to meet the condition.
⚠️⚠️⚠️ Note:
- The first line of the input is the length of the array. The second line contains all the elements of the array.
- The input is already parsed into an array of "strings" and passed to a function. You will need to convert string to integer/number type inside the function.
- You need to "print" the final result (not return it) to pass the test cases.

For the example discussed above, the input will be:
5
20 70 -40 30 -10

Your code needs to print the following to the standard output:
20 70 30 -40 -10

Medium

Visitors Count
Strings
Logic
Solve
A manager hires a staff member to keep a record of the number of men, women, and children visiting the museum daily. The staff will note W if any women visit, M for men, and C for children. You need to write code that takes the string that represents the visits and prints the count of men, woman and children. The sequencing should be in decreasing order. 
Example:

Input:
WWMMWWCCC

Expected Output: 
4W3C2M

Explanation: 
‘W’ has the highest count, then ‘C’, then ‘M’. 
⚠️⚠️⚠️ Note:
- The input is already parsed and passed to a function.
- You need to "print" the final result (not return it) to pass the test cases.
- If the input is- “MMW”, then the expected output is "2M1W" since there is no ‘C’.
- If any of them have the same count, the output should follow this order - M, W, C.
🧐 Question🔧 Skill

Easy

Custom Exception
Exception Handling
Custom Exceptions

2 mins

Java
Solve

Hard

Holding References

2 mins

Java
Solve

Medium

Abstract Interface
OOPs
Interfaces

2 mins

Java
Solve

Medium

Garbage Collection
Garbage Collection

2 mins

Java
Solve

Hard

Static Init Blocks
OOPs

2 mins

Java
Solve

Medium

Autowiring Service

3 mins

Spring
Solve

Medium

Bean init and afterPropertiesSet
Beans

2 mins

Spring
Solve

Medium

Boot Autowiring
Spring Boot

3 mins

Spring
Solve

Medium

EntityManager

3 mins

Hibernate
Solve

Easy

Registration Queue
Logic
Queues

30 mins

Coding
Solve

Medium

Visitors Count
Strings
Logic

30 mins

Coding
Solve
🧐 Question🔧 Skill💪 Difficulty⌛ Time
Custom Exception
Exception Handling
Custom Exceptions
Java
Easy2 mins
Solve
Holding References
Java
Hard2 mins
Solve
Abstract Interface
OOPs
Interfaces
Java
Medium2 mins
Solve
Garbage Collection
Garbage Collection
Java
Medium2 mins
Solve
Static Init Blocks
OOPs
Java
Hard2 mins
Solve
Autowiring Service
Spring
Medium3 mins
Solve
Bean init and afterPropertiesSet
Beans
Spring
Medium2 mins
Solve
Boot Autowiring
Spring Boot
Spring
Medium3 mins
Solve
EntityManager
Hibernate
Medium3 mins
Solve
Registration Queue
Logic
Queues
Coding
Easy30 minsSolve
Visitors Count
Strings
Logic
Coding
Medium30 minsSolve
Reason #4

1200+ customers in 75 countries

customers in 75 countries
Brandon

With Adaface, we were able to optimise our initial screening process by upwards of 75%, freeing up precious time for both hiring managers and our talent acquisition team alike!


Brandon Lee, Head of People, Love, Bonito

Reason #5

Designed for elimination, not selection

The most important thing while implementing the pre-employment Java, Spring & Hibernate Test in your hiring process is that it is an elimination tool, not a selection tool. In other words: you want to use the test to eliminate the candidates who do poorly on the test, not to select the candidates who come out at the top. While they are super valuable, pre-employment tests do not paint the entire picture of a candidate’s abilities, knowledge, and motivations. Multiple easy questions are more predictive of a candidate's ability than fewer hard questions. Harder questions are often "trick" based questions, which do not provide any meaningful signal about the candidate's skillset.

Science behind Adaface tests
Reason #6

1 click candidate invites

Email invites: You can send candidates an email invite to the Java, Spring & Hibernate Test from your dashboard by entering their email address.

Public link: You can create a public link for each test that you can share with candidates.

API or integrations: You can invite candidates directly from your ATS by using our pre-built integrations with popular ATS systems or building a custom integration with your in-house ATS.

invite candidates
Reason #7

Detailed scorecards & benchmarks

View sample scorecard
Reason #8

High completion rate

Adaface tests are conversational, low-stress, and take just 25-40 mins to complete.

This is why Adaface has the highest test-completion rate (86%), which is more than 2x better than traditional assessments.

test completion rate
Reason #9

Advanced Proctoring


Learn more

About the Java, Spring & Hibernate Assessment Test

Why you should use Pre-employment Java, Spring & Hibernate Online Test?

The Java, Spring & Hibernate Test makes use of scenario-based questions to test for on-the-job skills as opposed to theoretical knowledge, ensuring that candidates who do well on this screening test have the relavant skills. The questions are designed to covered following on-the-job aspects:

  • Java syntax and basics
  • Java OOPs concepts and principles
  • Working with Databases in Java
  • Java data structures and algorithms
  • Basics of Spring framework
  • Spring bean lifecycle management
  • Securing web applications with Spring Security
  • Hibernate ORM (Object Relational Mapping)
  • Writing and optimizing Stored Procedure Queries
  • Hibernate Sessions and caching mechanisms

Once the test is sent to a candidate, the candidate receives a link in email to take the test. For each candidate, you will receive a detailed report with skills breakdown and benchmarks to shortlist the top candidates from your pool.

What topics are covered in the Java, Spring & Hibernate Online Test?

  • Java syntax and basics

    Java syntax and basics refers to the fundamental concepts and rules of the Java programming language. It covers topics such as variables, data types, operators, control structures, and basic input/output. This skill should be measured in the test to assess the candidate's understanding of the core syntax and foundational concepts of Java programming.

  • Java OOPs

    Java OOPs stands for Object-Oriented Programming in Java. It involves the use of classes, objects, inheritance, polymorphism, and encapsulation to organize and structure code. This skill should be measured in the test to evaluate the candidate's ability to design and implement object-oriented solutions using Java.

  • Working with Databases in Java

    Working with Databases in Java involves connecting to a database, executing SQL queries, and retrieving and manipulating data. Candidates should possess knowledge of JDBC (Java Database Connectivity) and understand database concepts such as tables, columns, and primary keys. This skill should be measured in the test to gauge the candidate's proficiency in integrating Java with databases.

  • Java data structures

    Java data structures are used to store and organize data efficiently. Common data structures in Java include arrays, linked lists, stacks, queues, and trees. Candidates should be familiar with the characteristics and appropriate usage of different data structures. This skill should be measured in the test to assess the candidate's understanding of data organization and manipulation in Java.

  • Basics of Spring framework

    The Spring framework is a popular Java framework that provides a comprehensive infrastructure for developing Java applications. It offers features such as dependency injection, aspect-oriented programming, and MVC (Model-View-Controller) architecture. This skill should be measured in the test to evaluate the candidate's knowledge of the core concepts and functionalit

  • Spring bean lifecycle

    The Spring bean lifecycle refers to the sequence of events that occur during the creation, initialization, and destruction of a Spring bean. It includes phases such as instantiation, property injection, and initialization callbacks. Candidates should understand the different stages and methods involved in the Spring bean lifecycle. This skill should be measured in the test to assess the candidate's understanding of how Spring manages the lifecycle of beans.

  • Securing web applications with Spring Security

    Spring Security is a powerful framework for implementing security measures in Java web applications. It provides features such as authentication, authorization, and access control. Candidates should be familiar with concepts like user authentication, password encryption, and role-based access control. This skill should be measured in the test to evaluate the candidate's ability to implement secure web applications using Spring Security.

  • Hibernate ORM (Object Relational Mapping)

    Hibernate ORM is a Java framework that simplifies the process of mapping Java objects to relational database tables. It allows developers to interact with databases using object-oriented approaches, rather than writing SQL queries. Candidates should understand concepts like object-relational mapping, entities, relationships, and transactions. This skill should be measured in the test to assess the candidate's proficiency in using Hibernate for database access and manipulation.

  • Stored Procedure Queries

    Stored Procedure Queries involve the creation and execution of database queries that are stored and reused on the database server. Candidates should be familiar with the syntax and usage of stored procedures in the target database system, as well as how to call them from Java code. This skill should be measured in the test to evaluate the candidate's ability to work with stored procedures in a Java application.

  • Hibernate Sessions

    Hibernate Sessions involve managing the interaction between Java objects and the database. Sessions provide methods for querying, saving, updating, and deleting data. Candidates should know how to open, close, and utilize Hibernate Sessions effectively. This skill should be measured in the test to assess the candidate's understanding of Hibernate's session management and data persistence capabilities.

  • Java Programming

    Java Programming refers to the overall ability to write clean, efficient, and readable code in the Java programming language. It encompasses all the aforementioned skills and extends to problem solving, algorithm design, and code optimization. This skill should be measured in the test to evaluate the candidate's overall proficiency and competence in Java development.

  • Full list of covered topics

    The actual topics of the questions in the final test will depend on your job description and requirements. However, here's a list of topics you can expect the questions for Java, Spring & Hibernate Test to be based on.

    Variables
    Control statements
    Methods
    Classes and objects
    Inheritance
    Polymorphism
    Exception handling
    File handling
    Collections
    Generics
    Multithreading
    Annotations
    Java IO
    JDBC
    SQL queries
    ORM concepts
    Hibernate configuration
    Hibernate mappings
    Hibernate CRUD operations
    Lazy loading
    Hibernate caching
    Spring dependency injection
    Spring MVC
    Spring AOP
    Spring Security
    Spring transactions
    Java web services
    RESTful API
    JSON handling
    JUnit testing
    Design patterns
    Database normalization
    SQL joins
    Stored procedures
    Database transactions
    Java streams
    Lambda expressions
    Concurrency
    Maven
    Git
    Debugging
    Performance optimization
    Code refactoring
    Code review
    Software development life cycle
    Object-oriented analysis and design
    Logging and debugging tools
    Agile methodology
    Software testing principles
    Continuous integration
    Integration testing
    Dependency management
    Code versioning
    Code quality analysis
    Database migration
    XML processing
    RESTful web services
    Containerization
    Microservices architecture

What roles can I use the Java, Spring & Hibernate Online Test for?

  • Java Developer
  • Full Stack Java Developer
  • Backend Developer
  • Java Programmer
  • Enterprise Java Developer

How is the Java, Spring & Hibernate Online Test customized for senior candidates?

For intermediate/ experienced candidates, we customize the assessment questions to include advanced topics and increase the difficulty level of the questions. This might include adding questions on topics like

  • Java Programming best practices
  • Design patterns in Java
  • Multithreading and concurrency in Java
  • Java memory management and garbage collection
  • Advanced Spring concepts and advanced dependency injection
  • Spring MVC and RESTful web services
  • Implementing authentication and authorization in Spring
  • Hibernate associations and mappings
  • Performance tuning and optimization in Hibernate
  • Software design principles and architecture patterns

The coding question for experienced candidates will be of a higher difficulty level to evaluate more hands-on experience.

Singapore government logo

The hiring managers felt that through the technical questions that they asked during the panel interviews, they were able to tell which candidates had better scores, and differentiated with those who did not score as well. They are highly satisfied with the quality of candidates shortlisted with the Adaface screening.


85%
reduction in screening time

Java, Spring & Hibernate Hiring Test FAQs

Can I combine multiple skills into one custom assessment?

Yes, absolutely. Custom assessments are set up based on your job description, and will include questions on all must-have skills you specify. Here's a quick guide on how you can request a custom test.

Do you have any anti-cheating or proctoring features in place?

We have the following anti-cheating features in place:

  • Non-googleable questions
  • IP proctoring
  • Screen proctoring
  • Web proctoring
  • Webcam proctoring
  • Plagiarism detection
  • Secure browser
  • Copy paste protection

Read more about the proctoring features.

How do I interpret test scores?

The primary thing to keep in mind is that an assessment is an elimination tool, not a selection tool. A skills assessment is optimized to help you eliminate candidates who are not technically qualified for the role, it is not optimized to help you find the best candidate for the role. So the ideal way to use an assessment is to decide a threshold score (typically 55%, we help you benchmark) and invite all candidates who score above the threshold for the next rounds of interview.

What experience level can I use this test for?

Each Adaface assessment is customized to your job description/ ideal candidate persona (our subject matter experts will pick the right questions for your assessment from our library of 10000+ questions). This assessment can be customized for any experience level.

Does every candidate get the same questions?

Yes, it makes it much easier for you to compare candidates. Options for MCQ questions and the order of questions are randomized. We have anti-cheating/ proctoring features in place. In our enterprise plan, we also have the option to create multiple versions of the same assessment with questions of similar difficulty levels.

I'm a candidate. Can I try a practice test?

No. Unfortunately, we do not support practice tests at the moment. However, you can use our sample questions for practice.

What is the cost of using this test?

You can check out our pricing plans.

Can I get a free trial?

Yes, you can sign up for free and preview this test.

I just moved to a paid plan. How can I request a custom assessment?

Here is a quick guide on how to request a custom assessment on Adaface.

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