Bank of America Software Engineer Interview Questions and Answers for Freshers

Program to convert alternate letters of a sentence to uppercase, excluding whitespace

• Iterate through each character of the sentence

• Check if the character is a letter and if its index is odd

• Convert the letter to uppercase if conditions are met

Program to print top five students in a classroom, handling edge cases

• Create a list of students with their grades

• Sort the list in descending order based on grades

• Print the top five students, handling cases where there are less than five students or ties in grades

I approach solving balanced parenthesis program by using a stack data structure.

• Use a stack to keep track of opening parentheses

• Iterate through the input string and push opening parentheses onto the stack

• When a closing parenthesis is encountered, pop from the stack and check if it matches the closing parenthesis

• If stack is empty at the end and all parentheses are matched, the string is balanced

Different ways to create a table in Python include using pandas, sqlite3, and SQLAlchemy libraries.

• Using pandas library to create a table from a dictionary or list of lists

• Using sqlite3 library to create a table in a SQLite database

• Using SQLAlchemy library to create a table in a SQL database

A program to check if a given string is a palindrome.

• Create a function that takes a string as input.

• Reverse the string and compare it with the original string.

• If they are the same, then the string is a palindrome.

• Example: 'racecar' is a palindrome.

• Example: 'hello' is not a palindrome.

A program to return Fibonacci series using recursion or iteration

• Use recursion to generate Fibonacci series

• Use iteration to generate Fibonacci series

• Handle edge cases like negative input or input of 0 or 1

• Example: Fibonacci series up to 10 - 0, 1, 1, 2, 3, 5, 8, 13, 21, 34