LKP Securities Software Developer Interview Questions and Answers

Q1. Asked security level questions
Add your answer

Q1. Explain OOPS Concept ?
Ans. 
OOPS (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.
• OOPS focuses on creating objects that interact with each other to solve problems.

• It involves concepts like classes, objects, inheritance, polymorphism, and encapsulation.

• For example, a class 'Car' can have objects like 'Toyota', 'Honda', etc., each with their own properties and methods.

• Inheritan...read more
Answered by AI
Add your answer

Q1. Difference between DOM and Virtual DOM how are they different?
Ans. 
DOM is a tree-like structure representing the HTML document, while Virtual DOM is a lightweight copy of the DOM.
• DOM is the actual representation of the HTML document in the browser's memory.

• Virtual DOM is a concept where a lightweight copy of the DOM is created and manipulated instead of directly modifying the actual DOM.

• Changes made to the Virtual DOM are compared with the actual DOM, and only the necessary updates ar...read more
Answered by AI
View 1 more answer
Q2. Implement a List, stream out the list and filter out all odd numbers.
Ans. 
Implement a List, stream out the list and filter out all odd numbers.
• Create a List object and add elements to it

• Use stream() method to convert List to Stream

• Use filter() method to filter out odd numbers

• Use forEach() method to print the filtered list
Answered by AI
Add your answer

Q1. How do you learn new Technologies?
Ans. 
I learn new technologies through a combination of self-study, online resources, and practical application.
• I regularly read technical blogs, articles, and books to stay updated on the latest technologies.

• I participate in online forums and communities to learn from and collaborate with other developers.

• I take online courses and tutorials to gain in-depth knowledge and hands-on experience.

• I work on personal projects or co...read more
Answered by AI
View 2 more answers
Q2. How would you build an application from scratch?
Ans. 
To build an application from scratch, I would follow a systematic approach that includes planning, designing, developing, testing, and deploying.
• Define the purpose and scope of the application

• Identify the target audience and their needs

• Create a detailed plan and timeline

• Design the user interface and user experience

• Choose the appropriate technology stack

• Write clean and maintainable code

• Test the application thoroughly

• Dep...read more
Answered by AI
Add your answer
Q3. Implementing Spring / Spring-boot with it.
Ans. 
Spring and Spring-boot are popular Java frameworks for building web applications.
• Spring provides a comprehensive programming and configuration model for modern Java-based enterprise applications.

• Spring-boot is an opinionated framework that simplifies the configuration and deployment of Spring applications.

• Both frameworks provide features such as dependency injection, web MVC, data access, security, and more.

• Example: @R...read more
Answered by AI
Add your answer

Q1. What is host variable/ indicator variable in pro*c what is nvl cmd what is cursor in plsql what is %rowtype how to provide permission in Linux for files move n copy cmd functions n procedure in plsql some ...read more
Ans. 
Answers to questions related to Pro*C, PL/SQL, Linux permissions, and SQL queries.
• Host variable is a variable declared in the host program and used in Pro*C program

• Indicator variable is used to indicate the null value of a column in Pro*C

• NVL is a function in Oracle that returns a specified value if the expression is null

• Cursor is a pointer to a result set returned by a SQL statement in PL/SQL

• %ROWTYPE is a record type t...read more
Answered by AI
Add your answer

Q1. Some technical on C, SQl, Manager questions
Add your answer

Q1. What is your family background?
Add your answer
Q2. Share details of your previous job.
Add your answer
Q3. Why are you looking for a change?
Add your answer
Q4. Tell me about yourself.
Add your answer

Q1. How microservices work
Ans. 
Microservices are a software architecture style where complex applications are broken down into smaller, independent services.
• Microservices communicate with each other through APIs.

• Each microservice is responsible for a specific task or function.

• Microservices can be developed, deployed, and scaled independently.

• They promote flexibility, scalability, and resilience in software development.

• Examples of companies using mic
Answered by AI
Add your answer
Q2. Java8 Steam questions
Add your answer

Q1. Spring boot questions were asked
Add your answer
Q2. Sql questions were asked. .
Add your answer

Dsa questions were asked , practice well

Basic aptitude which was good and easy

Q1. Oops concepts explanation
Ans. 
Oops concepts refer to Object-Oriented Programming principles like Inheritance, Polymorphism, Encapsulation, and Abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Polymorphism: Ability to present the same interface for different data types.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Abstraction: Hiding the complex implementation detail
Answered by AI
Add your answer
Q2. Projects I have done
Ans. 
I have worked on various projects including a web application for a small business, a mobile app for tracking fitness goals, and a data analysis tool for a research project.
• Developed a web application for a small business using HTML, CSS, and JavaScript

• Created a mobile app for tracking fitness goals using React Native

• Built a data analysis tool for a research project using Python and pandas
Answered by AI
Add your answer

Q1. Oops, mvc, design principles
Add your answer