Bank of America Associate Software Engineer Interview Questions and Answers

Round duration - 150 minutes
Round difficulty - Medium

For MCQ Round, we have 2 rounds:- 
1. Logical Reasoning (Window of 4 hours)
2. Mathematical Reasoning(Window of 4 hours)
The environment was fine. They gave an option of attempting a mock test in order to familiarize us with the environment

Logical Reasoning, in which there were 12 questions, and for each question we had a time limit of 75 seconds. There was a cut-off of 40 for the next round, and people who qualified were sent an e-mail with a link to continue with the process.

Numerical Reasoning, in my opinion, was the most challenging round. The questions were in a pair of 3 in which a table/bank statement was given and 3 questions were based on that. The questions were purely based on calculations and semi-subjective. The time given for the 1st question was 90 seconds and for the rest 2 questions, 75 seconds each

For Coding Round, 
120 minutes window(Test was of 90 minutes)
We have two questions
For the first question(30 Minutes)
For the second question(60 Minutes)
The tricky thing was we only had one attempt, i.e we were allowed to submit the solution only once.

Q1. 
Maximum Frequency Number Problem Statement
Given an array of integers with numbers in random order, write a program to find and return the number which appears the most frequently in the array.
If multip...read more
Ans. 
Find the number with the highest frequency in an array, returning the first one in case of ties.
• Count Frequencies: Use a hash map to count occurrences of each number in the array.

• Track First Occurrence: Store the index of the first occurrence of each number to resolve ties.

• Iterate Efficiently: Loop through the array once to build the frequency map and another pass to determine the maximum frequency.

• Example: For input [...read more
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Q2. 
Mike and Mobile Problem Statement
Mike, a little boy who loves solving math problems, was playing with his mom's mobile phone. The mobile keypad includes 12 buttons: 10 digit buttons (0-9) and 2 non-digit...read more
Ans. 
Mike can generate unique numbers by pressing mobile keypad buttons, following specific rules for adjacent presses.
• Button Press Rules: Mike can press the same button or an adjacent one after the initial press.

• Initial Choices: For N=1, he can choose any of the 10 digits (0-9), resulting in 10 unique numbers.

• Adjacent Button Logic: For N=2, starting from any digit, he can press the same or adjacent digits, leading to 36 co...read more
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Round duration - 40 minutes
Round difficulty - Medium

The timing was around 1 pm and the whole interview went for about 40 minutes.
The interviewer first went through my resume and asked me to introduce myself. After my introduction, he asked me about my projects mentioned in the resume. In the introduction itself, I told him that I am interested in competitive programming and preparing for ICPC. He then asked me about my preparation for ICPC. He then asked me some questions from OOPS. I was then asked 1 simple CP problem. The interviewer also asked about situation-based problems. As I previously mentioned about Competitive Programming, he asked how this will help in adding value to the company.

Q1. 
Remove Duplicates Problem Statement
You are given an array of integers. The task is to remove all duplicate elements and return the array while maintaining the order in which the elements were provided.
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Ans. 
The task is to remove duplicates from an array while preserving the original order of elements.
• Use a set to track seen elements and a list to store the result, ensuring duplicates are skipped.

• Example: For input [1, 2, 2, 3, 1], the output should be [1, 2, 3].

• Iterate through the array, adding elements to the result list only if they haven't been seen before.

• This approach maintains the order of first occurrences of each ...read more
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Round duration - 10 minutes
Round difficulty - Easy

In this round interviewer basically asked about my project in detail and also asked about various technologies used in that project.

Round duration - 10 minutes
Round difficulty - Easy

We were asked about family background, location of the intern, any interest in startups (as they don’t want students who they hire also work with startups side by side), etc.

1 Hour Basic Aptitude

2 Coding questions on Stacks and Array

Usual Quants and logical reasoning questions

Q1. Intro and projects details
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Q2. Oops and Java basics
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Q1. Background and some behaviour questions
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Q1. Basic UFT related questions from variables to program
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Core java , string, thread , sql, mvc, spring boot

Q1. 2 coding questions on array and string
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Q2. Sorting , thread
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Q1. Managerial round
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Q2. Project and some basic questions
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Q3. Describe your project
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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. Oops, basic ,SQL ,ado
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Curd operation with SQL connectivity