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Birbal AI Senior Java Developer Interview Questions and Answers
Birbal AI Senior Java Developer Interview Experiences
2 interviews found
Md Nasiruddin Ansari
(2 Questions)
- Q1. How to optimize your database when you have to handle large data ?
- Ans.
Optimizing database for handling large data involves indexing, partitioning, denormalization, and using appropriate data types.
Use indexing on frequently queried columns to improve search performance.
Partition large tables to distribute data across multiple storage devices for faster access.
Denormalize data by reducing the number of joins needed for queries.
Use appropriate data types to minimize storage space and impro...
- Q2. How to avoid deadlock ?
- Ans.
Avoid deadlock by implementing proper locking order, using timeouts, and detecting and breaking cycles.
Implement proper locking order to avoid circular dependencies.
Use timeouts when acquiring locks to prevent indefinite waiting.
Detect and break cycles in lock dependencies to prevent deadlock.
Example: If thread A holds lock 1 and waits for lock 2, while thread B holds lock 2 and waits for lock 1, a deadlock can occur.
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Skills evaluated in this interview
Anonymous
(1 Question)
- Q1. It was related to scalable API during peak hours.
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Ujani Nanda
I appeared for an interview in Apr 2017.
Interview Questionnaire
1 Question
- Q1. Basics of oops, multithreading,collections..
Interview Preparation Tips
Experience: I cleared this round.
Tips: please brush up your basics in core java,spring,hibernate.
Skills: Java Application Development
I applied via Walk-in and was interviewed before Apr 2021. There was 1 interview round.
(6 Questions)
- Q1. What are your salary expectations?
- Ans.
Starting as 25,000 in my hands
- Q2. What is your family background?
- Q3. Share details of your previous job.
- Q4. What are your strengths and weaknesses?
- Q5. Tell me about yourself.
- Q6. Why should we hire you?
Interview Preparation Tips
- Core Java
- Advanced Java
I applied via Campus Placement and was interviewed before Jan 2021. There was 1 interview round.
Interview Questionnaire
7 Questions
- Q1. Who is devloper of java?
- Ans.
James Gosling is the developer of Java.
James Gosling developed Java while working at Sun Microsystems in the early 1990s.
Java was originally called Oak and was designed for use in consumer electronics.
Java's popularity grew with the rise of the internet and its ability to run on multiple platforms.
Oracle Corporation acquired Sun Microsystems in 2010 and now owns Java.
- Q2. James gosling
- Q3. What is java?
- Ans.
Java is a high-level, object-oriented programming language used to develop applications for various platforms.
Java is platform-independent and can run on any device with a Java Virtual Machine (JVM)
It is known for its security features and is commonly used for developing web and mobile applications
Java is also used for developing enterprise-level applications and software tools
Examples of popular Java-based frameworks ...
- Q4. How many packages in Java?
- Ans.
There are many packages in Java.
Java has a vast collection of packages for various purposes.
Some commonly used packages are java.lang, java.util, java.io, java.net, etc.
Packages provide a way to organize and reuse code.
Developers can also create their own packages for their projects.
- Q5. 100 of packages in Java.
- Ans.
Java has around 100 packages that provide various functionalities.
Java packages are used to organize related classes and interfaces.
Some commonly used packages are java.lang, java.util, java.io, java.net, etc.
Packages can be imported using the import keyword.
Packages can also be created by the user to organize their own classes and interfaces.
- Q6. What is operater?
- Ans.
An operator is a symbol or keyword used to perform operations on one or more operands in a programming language.
Operators are used to perform mathematical, logical, and comparison operations.
Examples of operators in Java include +, -, *, /, %, ==, !=, <, >, &&, ||, etc.
Unary operators operate on a single operand, while binary operators operate on two operands.
Ternary operator ?: is a conditional operator that takes thr...
- Q7. Operators is a symbol that represent same operations that can be performed on data.
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Skills evaluated in this interview
I applied via Recruitment Consulltant and was interviewed in Sep 2022. There were 3 interview rounds.
(2 Questions)
- Q1. Core Java questions on oops concepts
- Q2. Exception handling, Stream api
(1 Question)
- Q1. Spring boot and advance Java topics
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Sep 2024. There was 1 interview round.
(3 Questions)
- Q1. Basic java questions
- Q2. Java 8 questions
- Q3. Microservices and patterns
Interview Preparation Tips
sowmya devi
I applied via Naukri.com and was interviewed in Jan 2022. There were 2 interview rounds.
(1 Question)
- Q1. 1.difference between list,set and map in java collections 2.exception Handling 3.difference between throw and throws 4.why to create a thread 5.maker interface in java and its use 6.Spring boot which you ...
- Ans.
Interview questions for Senior Java Developer
List is an ordered collection, Set is an unordered collection with no duplicates, Map is a key-value pair collection
Exception handling is used to handle runtime errors and prevent program crashes
Throw is used to throw an exception explicitly, Throws is used to declare an exception that a method may throw
Threads are used to execute multiple tasks simultaneously and improve pr...
(1 Question)
- Q1. What are your salary expectations?
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Skills evaluated in this interview
Selected
Basic question core java.
(2 Questions)
- Q1. Max focus on memory management.
- Q2. Create object, Static keyword, JVM
(2 Questions)
- Q1. Solid principle
- Q2. Dedign patterns in microservice
- Ans.
Design patterns in microservices help in structuring and organizing code for scalability and maintainability.
Design patterns like Service Registry, Circuit Breaker, and API Gateway are commonly used in microservices architecture.
Service Registry pattern helps in dynamically registering and discovering services within the microservices ecosystem.
Circuit Breaker pattern prevents cascading failures by providing fallback m...
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