Hibernate Online Test

Q: What are the main Java tests?

Here are some important Java tests: Java Online Test Java, Spring & Hibernate Test Java & Spring Test Java & SQL 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.

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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About the Hibernate Test

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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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 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?
Hard Holding References	Solve
What does the following Java code output?
Medium Abstract Interface OOPs Interfaces Java Syntax Object-oriented Programming (Oop) Concepts	Solve
Given following interface: Which of these are correct classes?
Medium Garbage Collection Garbage Collection Garbage_collection_rules Object_reachability	Solve
After which line is "bs" object, created on Line 4, eligible for garbage collection?
Hard Static Init Blocks OOPs Java Syntax Code Execution Output	Solve
What does the following code output? 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 Error Handling Resource Management	Solve
Here's a way to insert 100,000 entries into Hibernate: 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 Sorting By Custom Order	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 String Parsing Character Counting	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
What does the following code output?
	Hard Holding References	2 mins Java	Solve
What does the following Java code output?
	Medium Abstract Interface OOPs Interfaces Java Syntax Object-oriented Programming (Oop) Concepts	2 mins Java	Solve
Given following interface: Which of these are correct classes?
	Medium Garbage Collection Garbage Collection Garbage_collection_rules Object_reachability	2 mins Java	Solve
After which line is "bs" object, created on Line 4, eligible for garbage collection?
	Hard Static Init Blocks OOPs Java Syntax Code Execution Output	2 mins Java	Solve
What does the following code output? 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 Error Handling Resource Management	3 mins Hibernate	Solve
Here's a way to insert 100,000 entries into Hibernate: 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 Sorting By Custom Order	30 mins Coding	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 String Parsing Character Counting	30 mins Coding	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	💪 Difficulty	⌛ Time
	Custom Exception Exception Handling Custom Exceptions	Java	Easy	2 mins	Solve
What does the following code output?
	Holding References	Java	Hard	2 mins	Solve
What does the following Java code output?
	Abstract Interface OOPs Interfaces Java Syntax Object-oriented Programming (Oop) Concepts	Java	Medium	2 mins	Solve
Given following interface: Which of these are correct classes?
	Garbage Collection Garbage Collection Garbage_collection_rules Object_reachability	Java	Medium	2 mins	Solve
After which line is "bs" object, created on Line 4, eligible for garbage collection?
	Static Init Blocks OOPs Java Syntax Code Execution Output	Java	Hard	2 mins	Solve
What does the following code output? 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
	EntityManager Error Handling Resource Management	Hibernate	Medium	3 mins	Solve
Here's a way to insert 100,000 entries into Hibernate: 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
	Registration Queue Logic Queues Sorting By Custom Order	Coding	Easy	30 mins	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
	Visitors Count Strings Logic String Parsing Character Counting	Coding	Medium	30 mins	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.

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Why you should use Pre-employment Hibernate Online Test?

The 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:

Understanding of Hibernate Basics
Knowledge of Hibernate Configuration
Ability to map entities in Hibernate
Proficiency in Hibernate Query Language (HQL)
Experience with Hibernate Criteria API
Understanding of Caching in Hibernate
Knowledge of Hibernate Transactions
Familiarity with Hibernate Annotations
Ability to implement Inheritance in Hibernate
Experience with Hibernate Integration

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 Hibernate Online Test?

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.

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 Hibernate Test to be based on.

Hibernate Basics

Hibernate Configuration

Mapping Entities

Hibernate Query Language (HQL)

Criteria API

Caching

Transactions

Annotations

Inheritance

Integration

Performance Optimization

Best Practices

Session and SessionFactory

Entities and Entity Lifecycle

Primary Key Generation

Associations and Relationships

Lazy Loading

Batch Processing

Named Queries

Native SQL Queries

Fetch Strategies

Locking

Composite Keys and Embedded Objects

Hibernate Validators

Second Level Caching

Query Cache

Optimistic and Pessimistic Locking

Transaction Isolation Levels

Spring and Hibernate Integration

Hibernate and RESTful Web Services

Hibernate and SOAP Web Services

Database Connection Pooling

Connection Release Mode

Connection Pool Sizing

Connection Pool Configuration

Optimizing Fetching Strategies

Hibernate Statistics

Lazy Loading Proxy Objects

Entity Inheritance Strategies

Polymorphic Queries

Hibernate Query Hints

Hibernate Filters

Batch Inserts and Updates

Managing Persistent State

Batch Fetching

Hibernate Event Listeners

Hibernate Interceptors

Concurrency Control

Testing Hibernate Applications

Debugging Hibernate Issues

Hibernate Logging

Database Performance Tuning

Query Performance Tuning

Hibernate Session Management

Error Handling in Hibernate

Data Validation in Hibernate

What roles can I use the Hibernate Online Test for?

Java Developer - Spring/Hibernate
Hibernate Developer
Hibernate Architect

How is the 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

Proficiency in Performance Optimization in Hibernate
Understanding of Best Practices in Hibernate
Ability to use Java Basic Syntax and Functions
Knowledge of Java Exception Handling
Experience with Java File Handling
Understanding of Java Multithreading
Proficiency in Java Generics and Collections
Knowledge of Java Streams and Lambdas
Familiarity with Java JDBC
Ability to use Java Networking and Socket Programming

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

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Have questions about the Hibernate Hiring 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.

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.

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.

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.

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.

What are the main Java tests?

Here are some important Java tests:

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.

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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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Along with scorecards that report the performance of the candidate in detail, you also receive a comparative analysis against the company average and industry standards.

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