Wells Fargo Angular Developer Interview Questions and Answers

Q1. Sorting of 1d array
Ans. 
Sorting a 1d array of strings
• Use a sorting algorithm like bubble sort, selection sort, or merge sort

• Consider using built-in sorting functions in programming languages like sort() in Python or Arrays.sort() in Java

• Ensure to compare strings correctly based on their ASCII values
Answered by AI
Add your answer
Q2. Basics of Camunda, Java and Spring boot.
Add your answer

Q1. Questions from java
Add your answer
Q2. Questions from basic CS Topics,aptitude
Add your answer

Questions were on basic arrays and strings

Q1. Personality assessment round
Add your answer

Q1. Find the character with the maximum frequency
Ans. 
Iterate through each character in the array of strings and keep track of the frequency of each character. Return the character with the maximum frequency.
• Create a dictionary to store the frequency of each character

• Iterate through each string in the array and then through each character in the string

• Update the frequency count of each character in the dictionary

• Return the character with the maximum frequency
Answered by AI
Add your answer
Q2. Valid parenthesis
Add your answer

Q1. Have you used Junit? What is the difference between SQl and NoSQl Databases? have you worked with Kafka? Kafka based questions. explain dockerization/ containerization. which java8 feature did you work wit...read more
Ans. 
Yes, I have experience with Junit, SQL and NoSQL databases, Kafka, Dockerization, Java 8 features, stream() operations, and shell scripting in Unix.
• I have used Junit for unit testing in Java projects.

• SQL databases are relational databases that use structured query language for data manipulation, while NoSQL databases are non-relational databases that provide flexible schema design and horizontal scalability.

• I have work...read more
Answered by AI
Add your answer

Q1. What is the most complex sql query you have written till date. Why did you use nested query to achieve your goal? explain the query. which join did you use in the query. have you implemented hashset? how w...read more
Ans. 
The most complex SQL query involved nested queries for data manipulation. Used inner join. Implemented hashset and avoided trees due to their drawbacks.
• Nested SQL query used for complex data manipulation

• Inner join used for combining data from multiple tables

• Implemented hashset for efficient data storage and retrieval

• Avoided trees due to their drawbacks such as unbalanced structure and slower traversal times
Answered by AI
Add your answer
Q2. Find and replace words in a file using shell scripting. add an index in the beginning of each line in a file using shell scripting. what is multithreading? difference between single threaded and multithrea...read more
Ans. 
Shell scripting for find and replace, adding index to lines, multithreading, hashmap vs hashtable, stack vs queue
• Use sed command for find and replace in shell scripting

• Use awk command to add an index at the beginning of each line in a file

• Multithreading is the ability of a CPU to execute multiple threads concurrently

• Single threaded means only one thread is executed at a time, while multithreaded allows multiple threads...read more
Answered by AI
Add your answer

Q1. Behavioral questions- tell me about yourself. do you have any questions for us?
Add your answer

Aptitude was very basic.

Q1. What is constant?
Ans. 
A constant is a value that does not change during the execution of a program.
• Constants are used to store values that remain the same throughout the program.

• They are declared using the 'const' keyword in many programming languages.

• Examples include mathematical constants like pi (3.14159) or physical constants like the speed of light (299,792,458 m/s).
Answered by AI
Add your answer
Q2. What is object oriented programming?
Ans. 
Object oriented programming is a programming paradigm based on the concept of objects, which can contain data and code.
• Objects are instances of classes, which define the structure and behavior of the objects.

• Encapsulation, inheritance, and polymorphism are key principles of object oriented programming.

• Example: Inheritance allows a subclass to inherit attributes and methods from a superclass.
Answered by AI
Add your answer

Q1. Salary Negotiation
Add your answer
Q2. Work culture description
Ans. 
Our work culture is collaborative, innovative, and focused on continuous learning and growth.
• Encourages teamwork and open communication

• Emphasizes creativity and problem-solving

• Provides opportunities for professional development

• Values diversity and inclusion

• Promotes a healthy work-life balance
Answered by AI
Add your answer

Q1. Spring related questions
Add your answer
Q2. Java related questions
Add your answer
Q3. Couple of coding questions (Easy)
Add your answer

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

MCQs on DN and SQL etc.

2 coding questions, 7 debugging questions.

Q1. Python core question
Add your answer
Q2. DSA question on BFS
Add your answer

Q1. Design discussion
Add your answer
Q2. Resume question
Add your answer