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Hibernate Online Test

The Hibernate Online Test uses scenario-based MCQs to evaluate candidates on their knowledge of Hibernate, including their ability to work with Hibernate ORM, Hibernate mappings, associations, transactions, and Hibernate Query Language (HQL). The test aims to evaluate a candidate's ability to design and develop Java applications that utilize Hibernate for data persistence effectively.

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Screen candidates with a 40 mins test

Test duration:  ~ 40 mins
Difficulty level:  Moderate
Availability:  Available as custom test
Questions:
  • 5 Java MCQs
  • 5 Hibernate MCQs
  • 1 Java Coding Question
Covered skills:
Hibernate Basics
Hibernate Configuration
Mapping Entities
Hibernate Query Language (HQL)
Criteria API
Caching
Transactions
Annotations
Inheritance
Integration
Performance Optimization
Best Practices
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Adaface skill assessments measure on-the-job skills of candidates, providing employers with an accurate tool for screening potential hires.

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Use the Hibernate Test to shortlist qualified candidates

The 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 the basics of Hibernate framework and its architecture
  • Configuring Hibernate using XML or annotations
  • Mapping entities to database tables
  • Writing Hibernate Query Language (HQL) queries
  • Utilizing the Criteria API for querying
  • Implementing caching in Hibernate
  • Managing transactions in Hibernate
  • Working with Hibernate annotations
  • Understanding inheritance mapping strategies in Hibernate
  • Integrating Hibernate with other frameworks or technologies
  • Optimizing performance in Hibernate
  • Applying best practices in Hibernate development
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Screen candidates with the highest quality 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 15,000+ questions. The actual questions on this 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

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: 
β€˜W’ has the highest count, then β€˜C’, then β€˜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- β€œMMW”, then the expected output is "2M1W" since there is no β€˜C’.
- If any of them have the same count, the output should follow this order - M, W, C.
🧐 QuestionπŸ”§ 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

EntityManager

3 mins

Hibernate
Solve

Easy

Registration Queue
Logic
Queues

30 mins

Coding
Solve

Medium

Visitors Count
Strings
Logic

30 mins

Coding
Solve
🧐 QuestionπŸ”§ SkillπŸ’ͺ DifficultyβŒ› 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
EntityManager
Hibernate
Medium3 mins
Solve
Registration Queue
Logic
Queues
Coding
Easy30 minsSolve
Visitors Count
Strings
Logic
Coding
Medium30 minsSolve

Test candidates on core Hibernate Hiring Test topics

Hibernate Basics: Hibernate Basics covers the core principles, concepts, and features of Hibernate framework. It includes understanding Hibernate architecture, session management, session factory, persistence classes, and object-relational mapping.

Hibernate Configuration: Hibernate Configuration focuses on setting up the necessary configurations for Hibernate to work efficiently. This skill involves configuring database connections, mapping files, Hibernate properties, and various settings related to caching and transactions.

Mapping Entities: Mapping Entities is the skill of defining the relationship between Java objects and database tables. It covers the use of annotations or XML mappings to map classes, attributes, and associations to corresponding database entities.

Hibernate Query Language (HQL): Hibernate Query Language (HQL) enables developers to write queries using object-oriented concepts instead of dealing with SQL directly. It allows complex querying and manipulation of data using a familiar syntax similar to SQL.

Criteria API: The Criteria API provides a more programmatic way to define queries in Hibernate. This skill involves creating and executing criteria queries using a fluent API, allowing dynamic query building and flexible filtering options.

Caching: Caching is an important aspect of Hibernate to improve performance. This skill covers different levels of caching, such as first-level cache, second-level cache, query caching, and cache configurations to optimize data access and reduce database hits.

Transactions: Transactions ensure data integrity and consistency in a database. This skill involves understanding the concept of ACID properties (Atomicity, Consistency, Isolation, Durability) and implementing transaction management using Hibernate to handle data modifications and ensure data integrity.

Annotations: Annotations in Hibernate provide a way to define mappings and configurations directly through Java code, reducing the need for XML mapping files. This skill covers the use of various annotations like @Entity, @Table, @Column, @Id, and other lifecycle annotations to define mappings and access database entities.

Inheritance: Inheritance is a powerful feature in Hibernate that allows mapping object hierarchies to database tables. This skill includes understanding different inheritance strategies, such as table per class hierarchy, table per subclass, and table per concrete entity, and their implications on query efficiency and database schema design.

Integration: Integration involves integrating Hibernate with other technologies and frameworks. This skill covers integrating Hibernate with Spring, JPA (Java Persistence API), and other ORM frameworks to leverage their capabilities and enhance application development and maintainability.

Performance Optimization: Performance Optimization in Hibernate includes techniques and practices to improve the performance of database operations. This skill covers optimizing queries, managing session and transaction boundaries, tuning caching options, and utilizing batch processing and lazy loading to minimize database roundtrips and enhance application responsiveness.

Best Practices: Best Practices in Hibernate include following industry-standard coding conventions, design patterns, and techniques to ensure efficient, maintainable, and scalable Hibernate applications. This skill covers topics like session management, exception handling, error logging, database schema design, and performance tuning to produce high-quality and reliable Hibernate applications.

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Have questions about the Hibernate Hiring Test?

What roles can I use the Hibernate Test for?

Here are few roles for which we recommend this test:

  • Java Developer - Spring/Hibernate
  • Hibernate Developer
  • Hibernate Architect
Can I combine Hibernate Test with other questions?

Yes, you can request a custom test that includes questions from different skills. For more details on Java, check the Java Online Test.

How to use Hibernate Test in my hiring process?

Use our assessment software early in your recruitment process. Add a link to the assessment in your job post or invite candidates via email. This helps you identify skilled candidates faster.

What are the main Java tests?
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.

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.

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.

Can I get a free trial?

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

What is Hibernate Test?

The Hibernate Test evaluates a candidate's skills in Hibernate and Java. This test is used by recruiters to identify candidates with strong Hibernate and Java skills, making it a helpful tool in the hiring process.

What type of questions are used in the Hibernate Test?

The Hibernate Test includes multiple-choice questions on Java and Hibernate, as well as a coding question to assess Java skills. This ensures a comprehensive evaluation of the candidate's capabilities in both areas.

Can I test Java and Hibernate together in a test?

Yes, testing Java and Hibernate together is recommended. For a combined assessment, check out the Java, Spring & Hibernate Test.

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.

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.

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.

What is the cost of using this test?

You can check out our pricing plans.

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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