Oaknorth Bank Senior Java Developer Interview Questions and Answers

Q1. What design pattern you usually used?
Ans. 
I usually use the MVC (Model-View-Controller) design pattern in my projects.
• Separates the application into three main components: Model (data), View (UI), and Controller (logic)

• Promotes code reusability, modularity, and maintainability

• Examples: Laravel framework in PHP, Spring framework in Java
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Q2. What is the difference between array and arraylist
Ans. 
Array is a fixed-size data structure while ArrayList is a dynamic-size data structure in Java.
• Array is a fixed-size collection of elements of the same data type, while ArrayList is a dynamic-size collection that can grow or shrink.

• Arrays can store primitive data types and objects, while ArrayList can only store objects.

• Arrays require a specified size during initialization, while ArrayList can dynamically resize itself.

• ...read more
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Q1. What is event loop in nodejs?
Ans. 
Event loop in Node.js is a mechanism that allows Node.js to perform non-blocking I/O operations.
• Event loop is responsible for handling asynchronous operations in Node.js.

• It allows Node.js to perform multiple operations concurrently without blocking the execution.

• Event loop continuously checks the event queue for any pending events and executes them in a loop.

• Example: setTimeout() function in Node.js uses event loop to ...read more
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Q2. What is the microservices
Ans. 
Microservices are a software development technique where applications are broken down into smaller, independent services that communicate with each other.
• Microservices are small, independent services that work together to form a complete application

• Each microservice is responsible for a specific function or feature

• Microservices communicate with each other through APIs

• Microservices can be developed, deployed, and scaled...read more
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1)Buy and sell stock
2)2 sum
3) system design
4) Elastic search
5) deployment

Java and javascript questions

Q1. Oops, basic ,SQL ,ado
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Curd operation with SQL connectivity

Ms office,Core Java , Tally , C,

In my Opinion,view , If you ask me, As far as I can see/I am Concerned , It seems to me that , I think /feel/reckon/ belive , If you want my option , What we have to decide

Q1. How do you balance work and life ?
Ans. 
I prioritize my work and set boundaries to ensure a healthy work-life balance.
• I prioritize my tasks and set realistic goals to manage my workload effectively.

• I establish clear boundaries between work and personal life to avoid burnout.

• I practice time management techniques, such as creating schedules and prioritizing tasks.

• I make sure to take breaks and engage in activities outside of work to recharge.

• I communicate open...read more
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Q2. What is a positive quote for work ?
Ans. 
A positive quote for work can inspire and motivate individuals to achieve their goals and excel in their professional endeavors.
• A positive attitude leads to positive outcomes.

• Hard work and dedication are the keys to success.

• Believe in yourself and your abilities.

• Success is not final, failure is not fatal: It is the courage to continue that counts.

• The only way to do great work is to love what you do.

• Don't watch the cloc...read more
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Q1. Mental trauma and frustrated scenarios Even after solving 3 Link list coding problem and 20+ technical questions, and then following up about 20 times, and even after calls and emails, there has been no...read more
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Q2. Even after solving 3 coding problem and 20+ technical questions, and then following up about 20 times, and even after calls and emails, there has been no response. Would it be appropriate for me to post ...read more
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