Bandhan Bank Salesforce Developer Interview Questions and Answers

Round duration - 90 minutes
Round difficulty - Medium

The coding round consisted of 3 coding questions. 1st question was of 20 marks, 2nd and 3rd of 50 marks.

Q1. 
Minimum Number of Operations Problem Statement
Given an array 'ARR' consisting of 'N' positive integers, determine the minimum number of operations needed to make all elements of the array equal. You may ...read more
Ans. 
Determine minimum operations to make all array elements equal using addition, subtraction, multiplication, or division.
• Iterate through array to find the minimum and maximum values

• Calculate the difference between the maximum and minimum values

• Return the difference as the minimum number of operations needed
Answered by AI
Add your answer
Q2. 
Avoiding Traps Problem Statement
Given an array of obstacles' coordinates, determine the minimal jump length to reach beyond all obstacles starting from coordinate 0 while avoiding landing on any obstacle...read more
Ans. 
Find the minimal jump length to bypass all obstacles while avoiding landing on any obstacle.
• Iterate through the obstacle coordinates to find the maximum coordinate.

• Calculate the minimum jump length needed to bypass all obstacles.

• Ensure the jump length consistently avoids all obstacle points.

• The final jump can overshoot the line's end point.
Answered by AI
Add your answer
Q3. 
Longest Consecutive Sequence Problem Statement
You are given an unsorted array/list ‘ARR’ of ‘N’ integers. Your task is to return the length of the longest consecutive sequence.
The consecutive sequence ...read more
Ans. 
Find the length of the longest consecutive sequence in an unsorted array of integers.
• Sort the array to make it easier to identify consecutive sequences.

• Use a set to store unique elements and check for consecutive numbers.

• Track the length of consecutive sequences and update the maximum length found.

• Handle duplicates by counting only one occurrence in the consecutive sequence.
Answered by AI
Add your answer

Round duration - 45 minutes
Round difficulty - Easy

Timing: 10:15 - 11:00 am.
The interview was online from home.

Round duration - 45 minutes
Round difficulty - Medium

Timing: 2:15 - 3:00 PM
The interview was online from home.
There were a few audio cuts in the video call but we were able to manage regardless.

Q1. 
Reverse a String Problem Statement
Given a string STR containing characters from [a-z], [A-Z], [0-9], and special characters, determine the reverse of the string.
Input:
The input starts with a single i...read more
Ans. 
Reverse a given string containing characters from [a-z], [A-Z], [0-9], and special characters.
• Iterate through the characters of the string in reverse order and append them to a new string.

• Use built-in functions like reverse() or StringBuilder in languages like Python or Java for efficient reversal.

• Handle special characters and numbers along with alphabets while reversing the string.

• Ensure to print each reversed string
Answered by AI
Add your answer

Q1. Coding round java
Add your answer
Q2. Spring boot and devops activities
Add your answer

It was quantitative aptitude test with some coding questions

Q1. This round was to majorly check our confidence and communication style. I was asked to explain the projects that I have done..then some general analytical based questions that were non technical.
Add your answer
Q2. Why didn't you want to pursue higher studies?
Add your answer
Q3. Tell me about urself and the projects you have done
Add your answer

It had more than 30 aptitude questions and 2 coding questions

Q1. It was totally a tech round all questions were from Data structure, dbms, java, computer networking
Add your answer

Q1. What is mixed dml error
Ans. 
Mixed DML error occurs when DML operations on setup and non-setup objects are mixed in a single transaction.
• Mixed DML operations involve a combination of DML statements on both setup and non-setup objects in a single transaction.

• This error typically occurs when trying to update a setup object (like User) and a non-setup object (like Account) in the same transaction.

• To resolve the error, separate the DML operations on s...read more
Answered by AI
Add your answer
Q2. Types of asynchrnous class
Ans. 
Types of asynchronous classes include future, batch, queueable, and scheduled classes.
• Future classes are used for executing code asynchronously in the background.

• Batch classes are used for processing large data sets in smaller chunks.

• Queueable classes are used for chaining asynchronous jobs together.

• Scheduled classes are used for running code at specific times.
Answered by AI
Add your answer
Q3. Profile permission set
Add your answer
Q4. Custom metadat, custom setting
Add your answer
Q5. Displayed a lwc component and asked how its code would be >?
Add your answer
Q6. How to call child method in parent in lwc
Ans. 
To call a child method in a parent component in LWC, you can use the @api decorator in the child component and import the child component in the parent component.
• Use @api decorator in the child component to expose the method or property that you want to call from the parent component.

• Import the child component in the parent component and use the child component's reference to call the method or access the property.

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

Q1. Experince on lwc
Ans. 
Experience with Lightning Web Components (LWC) in Salesforce development.
• Developed custom Lightning Web Components for Salesforce applications.

• Used LWC to create interactive and responsive user interfaces.

• Utilized LWC to fetch and display data from Salesforce database.

• Implemented event handling and communication between components using LWC.

• Followed best practices and design patterns while working with LWC.

• Integrated L...read more
Answered by AI
Add your answer
Q2. How to call lwc from aura
Ans. 
To call LWC from Aura, use the lightning/navigation service.
• Use lightning/navigation service to navigate to the LWC component

• Pass the component name and any parameters needed

• Handle any events or data passed back from the LWC component
Answered by AI
Add your answer

Q1. How to find out prime number
Ans. 
Prime numbers are numbers that are only divisible by 1 and themselves.
• Start by checking if the number is less than 2, as prime numbers start from 2.

• Iterate from 2 to the square root of the number and check if the number is divisible by any of these numbers.

• If the number is not divisible by any number in the range, then it is a prime number.
Answered by AI
Add your answer

Three questions all DP , medium to hard

Q1. Unique elements in array
Ans. 
Find unique elements in an array of strings
• Iterate through the array and use a Set to store unique elements

• Check if each element is already in the Set before adding it

• Return the Set as an array of unique elements
Answered by AI
Add your answer