BNY Software Developer Interview Questions, Process, and Tips

Easy medium and hard questions

Q1. DBMS OS STACKS QUEUES
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Q2. NORMALISATION IN DBMS
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Normalization in DBMS is the process of organizing data in a database to reduce redundancy and improve data integrity.
• Normalization involves breaking down a database into smaller, more manageable tables and defining relationships between them.

• It helps in reducing data redundancy by storing data in a structured and organized manner.

• Normalization also helps in improving data integrity by ensuring that data is consistent ...read more
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Q3. OUTPUT QUESTION IN JAVASCRIPT
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Q1. GENERIC HR STUFF
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Hackerank (2-Easy,1-Medium,1-Hard) 90 mins

Q1. Mostly it was about my resume and the projects I did
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Q2. Some behavioural and leadership questions
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Q1. Binary search and the code
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Q2. Two sum problem and the code
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Q3. Quicksort and the code
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Q4. Some hr questions here and there
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Q1. C++ programming, calloc, malloc, global variable
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Q2. Palindrome of a string
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A palindrome of a string is a word, phrase, number, or other sequence of characters that reads the same forward and backward.
• Check if the string is equal to its reverse to determine if it is a palindrome.

• Ignore spaces and punctuation when checking for palindromes.

• Examples: 'racecar', 'madam', 'A man, a plan, a canal, Panama!'
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Q3. Puzzles like the there are 4 mens and they have to travel across a bridge only two can go at a time and there is only one torch time take for mens to travel(A-1min B-3min C-7min D-10min)
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Q1. Explain Solid patterns
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Solid patterns are a set of five design principles to make software designs more understandable, flexible, and maintainable.
• Single Responsibility Principle: A class should have only one reason to change.

• Open/Closed Principle: Software entities should be open for extension but closed for modification.

• Liskov Substitution Principle: Objects of a superclass should be replaceable with objects of its subclasses without affec...read more
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Q2. Oops concept core topics
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4 straight Coding questions were asked ranging from medium to Hard Level.

Q1. Basics about OOPS and what are types of Inheritance and Polymorphism, etc.
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Q2. Basic questions related to Linked List, Classes and Recursion.
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There were 4 questions. 1 easy ,2 medium and 1 hard question. The level of questions were tough enough.

Q1. Explain abstraction with real life example and code.
Ans. 
Abstraction is the concept of hiding complex implementation details and showing only the necessary features to the user.
• Abstraction in real life: A car dashboard hides the internal workings of the car and only displays necessary information like speed, fuel level, and temperature.

• Abstraction in code: Using abstract classes or interfaces in object-oriented programming to define a blueprint for classes to implement.

• Examp...read more
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Q2. 1 question on linkedlist and on SQL
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Q3. Explain merge sort
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Merge sort is a divide and conquer algorithm that divides the input array into two halves, sorts them recursively, and then merges them back together.
• Divide the array into two halves

• Recursively sort each half

• Merge the sorted halves back together
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Q1. Explain insertion sort with psuedocode
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Insertion sort is a simple sorting algorithm that builds the final sorted array one item at a time.
• Start from the second element and compare it with the elements before it, moving elements to the right until finding the correct position.

• Repeat this process for each element in the array until the entire array is sorted.

• Example: For an array ['3', '1', '4', '1', '5', '9', '2', '6'], the insertion sort steps would be: ['1...read more
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Q1. What do you mean by growth
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Growth refers to the process of development and improvement over time.
• Growth can be personal, professional, or organizational.

• It involves learning new skills, gaining experience, and expanding one's knowledge.

• Examples include career advancement, skill development, and business expansion.
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Q2. Why do you want to join bny mellon
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2 hours with 4 questions

Q1. Basic oops, os, and two dsa questions, one was on tree and other on priority queue
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