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BBB Technology Software Engineer Interview Questions and Answers
BBB Technology Software Engineer Interview Experiences
1 interview found
Anonymous
(2 Questions)
- Q1. Tell me about your self
- Q2. Tell me about your old company
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Selected
I applied via Job Portal and was interviewed in Nov 2024. There were 2 interview rounds.
During the coding test, I was asked to write a program to check the frequency of characters in a string.
(5 Questions)
- Q1. What is Java , what are the four pillars of java
- Ans.
Java is a popular programming language known for its platform independence and object-oriented approach.
Java is platform-independent, meaning it can run on any device with a Java Virtual Machine (JVM)
Object-oriented programming is a key feature of Java, allowing for code reusability and modularity
The four pillars of Java are: Inheritance, Encapsulation, Abstraction, and Polymorphism
Inheritance allows a class to inherit...
- Q2. Related to collection framework
- Q3. What is recursion, write a code for it
- Ans.
Recursion is a programming technique where a function calls itself to solve a problem.
Recursion involves breaking down a problem into smaller subproblems and solving them recursively.
A base case is needed to stop the recursion and prevent infinite loops.
Example: Factorial calculation using recursion - function factorial(n) { return n === 0 ? 1 : n * factorial(n-1); }
- Q4. Why we don't use pointers in java
- Ans.
Java doesn't use pointers for security and simplicity reasons.
Java uses references instead of pointers to avoid direct memory manipulation.
Pointers can lead to memory leaks and security vulnerabilities.
Java's garbage collection manages memory automatically, reducing the need for pointers.
- Q5. What are 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 at the time of declaration, while ArrayList can dynamically resize it...
Interview Preparation Tips
During the coding round, I was asked a question about performing insertion sort using recursion. Additionally, there were theoretical questions regarding DBMS and some puzzles. The interview lasted for 45 minutes.
(1 Question)
- Q1. What questions were asked regarding your projects, particularly those that required a deep dive into the programming languages you utilized, including inquiries about how the server operates and various ap...
(1 Question)
- Q1. How was your college experience? Where do you live? Your interests and hobbies?
- Ans.
My college experience was enriching, I live in a bustling city, and my interests include coding, hiking, and playing the guitar.
College experience was enriching with challenging coursework and extracurricular activities
I live in a bustling city with access to diverse cultural events and opportunities
Interests include coding, hiking, and playing the guitar for relaxation and creativity
Interview Preparation Tips
I applied via Job Portal and was interviewed in Jul 2024. There was 1 interview round.
(1 Question)
- Q1. Is React one way data binding?
Software Engineer Interview Questions & Answers
HSBC Group
sri sai subramanyam davanam
posted on 1 Nov 2024
I applied via campus placement at Nitte Meenakshi Institute of Technology, Bangalore and was interviewed in Oct 2024. There were 3 interview rounds.
(2 Questions)
- Q1. Questions from java
- Q2. Questions from basic CS Topics,aptitude
Questions were on basic arrays and strings
(1 Question)
- Q1. Personality assessment round
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Aug 2024. There were 2 interview rounds.
1 coding question based on DP for 25 minutes and 30 MCQs on Java , OOPS and code snippet questions also some basic questions based on trees like number of leaf nodes in a complete binary tree with n nodes.
(3 Questions)
- Q1. Write code for finding palindrome of a string
- Ans.
Code to find palindrome of a string
Iterate through the string from both ends and compare characters
Use two pointers, one starting from the beginning and one from the end
If characters at both pointers match, continue checking until they meet in the middle
If all characters match, the string is a palindrome
- Q2. What is dynamic memory allocation in Java
- Ans.
Dynamic memory allocation in Java refers to the process of allocating memory for objects at runtime.
Dynamic memory allocation allows for objects to be created and destroyed during program execution.
The 'new' keyword is used to dynamically allocate memory for objects in Java.
Dynamic memory allocation helps in managing memory efficiently by allocating memory only when needed.
Example: int[] arr = new int[5]; dynamically a
- Q3. You are designing an e commerce website which database will you choose and what will you use for authentication given that you can't use JWT or even third party like Google authentication
- Ans.
I would choose a relational database like MySQL and implement a custom authentication system using session management.
Choose a relational database like MySQL for storing user data, product information, and orders.
Implement a custom authentication system using session management to securely authenticate users without JWT or third-party services.
Use encryption techniques to store and validate user passwords securely.
Util...
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Jul 2024. There was 1 interview round.
(4 Questions)
- Q1. What is the difference between normal and arrow functions
- Ans.
Arrow functions are more concise and have a lexical 'this' binding compared to normal functions.
Arrow functions do not have their own 'this' keyword, they inherit it from the parent scope.
Arrow functions do not have their own 'arguments' object.
Arrow functions cannot be used as constructors with 'new'.
Arrow functions are more concise and have implicit return when no curly braces are used.
- Q2. All basic JS Questions to cover Hoisting closure
- Q3. They asked to show me an example using the API call
- Q4. Difference between forEach and Map
- Ans.
forEach is used to iterate over an array and perform a function on each element, while map creates a new array by applying a function to each element.
forEach does not return a new array, while map does
forEach does not modify the original array, while map creates a new array
forEach is used for side effects, while map is used for transformation
Example: forEach - array.forEach(item => console.log(item)), map - const newAr
Interview Preparation Tips
Skills evaluated in this interview
I applied via LinkedIn and was interviewed in Aug 2024. There were 2 interview rounds.
(1 Question)
- Q1. Describe your work in current project
- Ans.
I am currently working on developing a web application for a client in the e-commerce industry.
Developing front-end using React.js and back-end using Node.js
Implementing payment gateway integration for seamless transactions
Optimizing website performance for better user experience
(1 Question)
- Q1. Describe the current design of the project
- Ans.
The current design of the project is a microservices architecture with a front-end built using React and a back-end using Node.js.
Microservices architecture is used for scalability and flexibility
Front-end is developed using React for a dynamic user interface
Back-end is built with Node.js for server-side logic
Interview Preparation Tips
Aptitude was very basic.
(2 Questions)
- Q1. What is constant?
- Ans.
A constant is a value that does not change during the execution of a program.
Constants are used to store values that remain the same throughout the program.
They are declared using the 'const' keyword in many programming languages.
Examples include mathematical constants like pi (3.14159) or physical constants like the speed of light (299,792,458 m/s).
- Q2. What is object oriented programming?
- Ans.
Object oriented programming is a programming paradigm based on the concept of objects, which can contain data and code.
Objects are instances of classes, which define the structure and behavior of the objects.
Encapsulation, inheritance, and polymorphism are key principles of object oriented programming.
Example: Inheritance allows a subclass to inherit attributes and methods from a superclass.
(2 Questions)
- Q1. Salary Negotiation
- Q2. Work culture description
- Ans.
Our work culture is collaborative, innovative, and focused on continuous learning and growth.
Encourages teamwork and open communication
Emphasizes creativity and problem-solving
Provides opportunities for professional development
Values diversity and inclusion
Promotes a healthy work-life balance
Skills evaluated in this interview
Riya Vats
(3 Questions)
- Q1. Spring related questions
- Q2. Java related questions
- Q3. Couple of coding questions (Easy)
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