Persistent Systems Software Engineer Interview Questions, Process, and Tips

MCQ based on logical, quantitative, qualitative and english

Two easy questions based on string manipulation

Q1. Find count of each characters in string
Ans. 
The task is to count the occurrences of each character in a given string.
• Iterate through the string and use a hashmap to store the count of each character

• Convert the string to an array of characters for easier manipulation

• Handle edge cases like empty string or null input

• Consider using built-in functions like HashMap in Java or Counter in Python
Answered by AI
Add your answer
Q2. Find Freq of words in a sentence
Ans. 
Use a hashmap to store word frequencies in a sentence.
• Split the sentence into words using a space delimiter.

• Create a hashmap to store word frequencies.

• Iterate through the words and update the frequencies in the hashmap.

• Return the hashmap with word frequencies.
Answered by AI
Add your answer

Detailed coding process

Q1. What is array in. Python
Ans. 
An array in Python is a data structure that can hold multiple values of the same data type.
• Arrays in Python are created using square brackets []

• Elements in an array can be accessed using their index starting from 0

• Example: names = ['Alice', 'Bob', 'Charlie']
Answered by AI
Add your answer

Strong aptitude and verbal skill and 2 coding questions

Q1. What is default values of variables?
Ans. 
Default values of variables are the initial values assigned to variables if no value is explicitly provided.
• Default value for integer variables is 0

• Default value for floating point variables is 0.0

• Default value for boolean variables is false

• Default value for string variables is null

• Default value for arrays is null
Answered by AI
Add your answer
Q2. Question based on the program give by them like find errors or output of code
Add your answer
Q3. Question based on data structures
Add your answer

Q1. About your project
Add your answer
Q2. They will give the problem we have write the code for that problem
Add your answer

Q1. It is very easy round they will only ask about yourself, strength, weakness, ready to relocate etc
Add your answer

It was an online aptitude test.

It was an online Coding test.

Q1. Basic concepts of DBMS & DSA.
Add your answer

Q1. He told me to write the logic for pattern printing & some basic concepts of OOPS.
Add your answer

Q1. All about myself & my hobbies & my reasons for choosing Persistent Systems.
Add your answer

It was test consisting of 4 sections: Quants, Verbal, Logical and Coding(2 ques - 1 easy & 1 med)

Q1. Skills based on resume were asked Be 100% prepared on one programming language because they might ask to write a code
Add your answer
Q2. Selection Sort Coding
Add your answer
Q3. String Coding Questions
Add your answer
Q4. Core Java Questions
Add your answer

Q1. Genric Behavioural Questions and Sallary Discussions
Add your answer