CapitalOne Software Developer Interview Questions and Answers

Q1. Coding:Sliding Window
Add your answer
Q2. Coding: Trees(Leetcode Easy)
Add your answer

Q1. Puzzles,Resume,Projects,Past Internships
Add your answer

Q1. Salary,Location,Leaves
Add your answer

Q1. Oops related questions
Add your answer
Q2. How you can handle exceptions in case of inheritance
Ans. 
Exceptions in inheritance can be handled by using try-catch blocks in the derived class.
• Use try-catch blocks in the derived class to catch exceptions thrown by the base class methods.

• Handle exceptions specific to the derived class in the catch block.

• Consider using super() to call the base class constructor within the try block.

• Avoid catching general exceptions unless necessary to maintain code clarity.

• Ensure proper exc...read more
Answered by AI
Add your answer
Q3. Collections questions
Add your answer
Q4. Live coding based on the answers you give
Add your answer
Q5. Your current project and how you handled difficulties in that
Add your answer

Q1. Topics in AWS, Projects done at previous employers, basic questions on Angular. Messaging pattern, why use messaging instead of Rest API.
Add your answer

Topics in AWS, RxJava, difference in approach between hibernate and MyBATIS. Kafka. JMeter based performance tests and other items listed in your resume.

Max subsequence sum, 15 min

Q1. How to deal with difficult coworker
Add your answer
Q2. Toughest tech challenge I have faced
Add your answer

GENERAL APTITUDE QUESTIONS

Q1. JAVA CODES FOR BEGINNER
Ans. 
Java codes for beginners include basic syntax, data types, control structures, and object-oriented programming concepts.
• Learn basic syntax and data types such as int, double, and String.

• Understand control structures like if-else statements and loops.

• Familiarize yourself with object-oriented programming concepts like classes and objects.

• Practice coding exercises and projects to reinforce your learning.

• Utilize online res...read more
Answered by AI
Add your answer
Q2. NODE FUNCTIONS FOR BINARY
Ans. 
Node functions for binary are used to manipulate binary data in Node.js.
• The Buffer class is used to handle binary data in Node.js.

• The `toString()` method can be used to convert binary data to a string.

• The `write()` method can be used to write binary data to a buffer.

• The `read()` method can be used to read binary data from a buffer.

• The `slice()` method can be used to extract a portion of a buffer.

• The `concat()` method c...read more
Answered by AI
Add your answer

C, linux, general aptitude

Q1. Basics of C , coding for swap, sort, prime number
Add your answer
Q2. Tell about you?
Add your answer
Q3. What is data type of auto?
Ans. 
The data type of auto is determined by the value assigned to it at compile time.
• The auto keyword in C++ is used to automatically deduce the data type of a variable based on its initializer.

• The data type of auto can be any valid C++ type, including fundamental types, user-defined types, or even complex types like function pointers or lambda expressions.

• The actual data type of auto is resolved by the compiler during comp...read more
Answered by AI
Add your answer
Q4. What work location prefered?
Add your answer

Q1. Oops concepts, solid principle, sqlcquery
Add your answer
Q2. Solid principle
Add your answer