TSYS|Total System Services Software Engineer2 Interview Questions and Answers

Q1. List and tuple difference
Ans. 
List is mutable, tuple is immutable in Python.
• List can be modified after creation, tuple cannot.

• List is defined using square brackets [], tuple using parentheses ().

• Example: list_example = [1, 2, 3], tuple_example = (4, 5, 6)
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Q1. Salary discussion and hybrid model discussion
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Asked questions on arrays

Q1. Questions on databases
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Q2. Questions on data structures
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Q3. Questions on sql
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Q4. Questions on projects
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Q5. Questions on java
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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
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Q2. Valid parenthesis
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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
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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
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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
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Q1. Behavioral questions- tell me about yourself. do you have any questions for us?
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70 minutes 90 questions

Q1. About oops few questions was asked
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Q2. What is static in java and what is the difference between cpp and java
Ans. 
Static in Java is a keyword used to create class-level variables and methods. Difference between cpp and java includes memory management, platform independence, and syntax.
• In Java, 'static' keyword is used to create class-level variables and methods, while in C++, 'static' keyword is used to create variables with internal linkage.

• Java has automatic memory management through garbage collection, while C++ requires manual...read more
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Febonaci series in Kortin

Math and Reasoning along with Puzzle

Q1. On demand video assessment that include questions to answer.
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Q2. Games designed to test different ability.
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Q1. Dsa questions- medium level
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Q2. Dsa questions - medium level
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