JPMorgan Chase & Co. Sde1 Interview Questions and Answers

4 coding question 1 easy ,2 medium and 1 hard

Q1. Technical interview, asked about my project, then DSA question , count number of palindromic substring
Add your answer

2 coding question, 1 section of business aptitude and 1 section english.

Q1. Design a chess game.
Ans. 
A classic chess game with standard rules and pieces.
• Create a board with 8x8 squares

• Place 16 pieces on each side: 1 king, 1 queen, 2 rooks, 2 knights, 2 bishops, and 8 pawns

• Define the movement rules for each piece

• Implement special moves like castling and en passant

• Check for checkmate and stalemate conditions

• Allow for player vs player or player vs computer gameplay
Answered by AI
Add your answer
Q2. N queens problem. Minimum steps by knight.
Ans. 
The N Queens problem is to place N chess queens on an NxN board so that no two queens threaten each other. Minimum steps by knight is a variation of this problem.
• The N Queens problem is a classic problem in computer science and can be solved using backtracking.

• The minimum steps by knight variation involves placing N knights on an NxN board so that no two knights threaten each other.

• This problem can also be solved using...read more
Answered by AI
Add your answer

Q1. Hr questions were asked. And location preference.
Add your answer

Q1. What is list comprehension
Ans. 
List comprehension is a concise way to create lists in Python by applying an expression to each item in an iterable.
• List comprehension is written inside square brackets []

• It consists of an expression followed by a for clause, then zero or more if clauses

• Example: squares = [x**2 for x in range(10)]
Answered by AI
Add your answer
Q2. Explain spark architecture
Ans. 
Apache Spark is a distributed computing system that provides an interface for programming entire clusters with implicit data parallelism and fault tolerance.
• Apache Spark follows a master-slave architecture with a driver program that communicates with a cluster manager to distribute work across worker nodes.

• It uses Resilient Distributed Datasets (RDDs) as the basic data structure, which are immutable distributed collect...read more
Answered by AI
Add your answer

Write code for palindtomr

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.

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

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.
Answered by AI
Add your answer
Q2. All basic JS Questions to cover Hoisting closure
Add your answer
Q3. They asked to show me an example using the API call
Add your answer
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
Answered by AI
Add your answer

Q1. OOPS Concepts,Java Coding,Testing
Add your answer

Q1. Selenium, APIs, Automation
Add your answer

Write code to return the maximum profit by buying and selling stocks using available money