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Bajaj Finserv PHP Developer Interview Questions, Process, and Tips

Updated 30 Oct 2021

Bajaj Finserv PHP Developer Interview Experiences

1 interview found

PHP Developer Interview Questions & Answers

user image Anonymous

posted on 30 Oct 2021

Interview Questionnaire 

8 Questions

  • Q1. How many array function & string function is there in PHP?
  • Ans. 

    PHP has over 100 array functions and over 200 string functions.

    • Array functions include: array_push(), array_pop(), array_merge(), array_slice(), etc.

    • String functions include: strlen(), str_replace(), substr(), strtolower(), etc.

    • PHP also has functions for working with regular expressions, dates, and more.

    • The exact number of functions may vary depending on the version of PHP being used.

  • Answered by AI
  • Q2. What is ajax? how many attributes?
  • Ans. 

    Ajax stands for Asynchronous JavaScript and XML. It is a technique used for creating fast and dynamic web pages.

    • Ajax allows web pages to be updated asynchronously by exchanging small amounts of data with the server behind the scenes.

    • It uses XMLHttpRequest object to communicate with the server.

    • Ajax can be used to update parts of a web page without reloading the entire page.

    • There are multiple attributes in Ajax such as u

  • Answered by AI
  • Q3. Findout count of dublicate record in mysql & write a query
  • Ans. 

    Query to find count of duplicate records in MySQL

    • Use GROUP BY clause to group the records by the column(s) that may have duplicates

    • Use HAVING clause to filter out the groups with count less than 2

    • Use COUNT() function to count the number of records in each group

  • Answered by AI
  • Q4. What is helpers in coddeigniter?
  • Ans. 

    Helpers in CodeIgniter are utility functions that assist in common tasks and can be used throughout the application.

    • Helpers are standalone functions that can be loaded and used anywhere in the application.

    • They provide a way to avoid writing repetitive code by providing ready-to-use functions.

    • CodeIgniter comes with a set of built-in helpers, such as URL, Form, File, and Date helpers.

    • Custom helpers can also be created to...

  • Answered by AI
  • Q5. What is MVC?
  • Ans. 

    MVC is a software architectural pattern that separates an application into three main components: Model, View, and Controller.

    • Model represents the data and business logic of the application.

    • View is responsible for displaying the data to the user.

    • Controller handles user input, updates the model, and interacts with the view.

    • MVC promotes separation of concerns and improves code organization and maintainability.

    • Example: In...

  • Answered by AI
  • Q6. What is diff bet array_merge and array_combine?
  • Ans. 

    array_merge merges two or more arrays into one, while array_combine creates an array by using one array for keys and another for its values.

    • array_merge combines the values of two or more arrays into a single array

    • array_combine creates an array using one array for keys and another for its values

    • array_merge preserves numeric keys, while array_combine uses the first array for keys and the second for values

    • array_merge can ...

  • Answered by AI
  • Q7. How my db engine present in mysql?
  • Ans. 

    MySQL has multiple storage engines including InnoDB, MyISAM, and more.

    • MySQL has a pluggable storage engine architecture

    • InnoDB is the default storage engine for MySQL

    • MyISAM is another popular storage engine

    • Other storage engines include Memory, CSV, and more

  • Answered by AI
  • Q8. What is diff bet myisam & innodb?
  • Ans. 

    MyISAM is faster but doesn't support transactions, while InnoDB is slower but supports transactions and foreign keys.

    • MyISAM is the default storage engine for MySQL, while InnoDB is an alternative.

    • MyISAM is faster for read-heavy applications, while InnoDB is better for write-heavy applications.

    • MyISAM doesn't support transactions or foreign keys, while InnoDB does.

    • MyISAM uses table-level locking, while InnoDB uses row-le...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - the interview was on microsoft team

Skills evaluated in this interview

Interview questions from similar companies

Interview Questionnaire 

11 Questions

  • Q1. What is the difference between multi tasking, multi processing and multi programming operating systems with examples ?
  • Ans. 

    Multi tasking, multi processing, and multi programming are different approaches to managing tasks in an operating system.

    • Multi tasking allows multiple tasks to run concurrently on a single processor.

    • Multi processing involves multiple processors running tasks simultaneously.

    • Multi programming allows multiple programs to be loaded into memory and executed concurrently.

    • Examples of multi tasking operating systems include Wi...

  • Answered by AI
  • Q2. Tell me about memory allocation (stack vs. heap)?
  • Ans. 

    Memory allocation refers to the process of assigning memory to programs during runtime.

    • Stack allocation is done automatically and is limited in size.

    • Heap allocation is done manually and is larger in size.

    • Stack memory is used for local variables and function calls.

    • Heap memory is used for dynamic memory allocation.

    • Memory leaks can occur if heap memory is not properly managed.

  • Answered by AI
  • Q3. You have two threads one printing even numbers in order and other odd numbers. Design an algorithm so that it prints numbers in natural order?
  • Ans. 

    Use a shared variable and synchronization mechanisms to ensure natural order printing of numbers.

    • Create two threads, one for printing even numbers and the other for printing odd numbers.

    • Use a shared variable to keep track of the current number to be printed.

    • Implement synchronization mechanisms like locks or semaphores to ensure only one thread can access the shared variable at a time.

    • Each thread should check if it is i...

  • Answered by AI
  • Q4. Print a matrix in spiral order?
  • Ans. 

    Printing a matrix in spiral order

    • Start from the first element and print it

    • Move in a spiral order towards the center of the matrix

    • Repeat until all elements are printed

  • Answered by AI
  • Q5. Thread class and Runnable Interface?
  • Ans. 

    Thread class and Runnable Interface are used for multithreading in Java.

    • Thread class is a predefined class in Java that provides methods to create and control threads.

    • Runnable interface is used to define a task that can be executed by a thread.

    • Thread class implements Runnable interface.

    • Thread class provides more control over threads than Runnable interface.

    • Example: Thread t = new Thread(new MyRunnable()); t.start();

    • Exa...

  • Answered by AI
  • Q6. What’s the difference between a Linked List and an ArrayList and give me an example of when to use which?
  • Ans. 

    Linked List is a dynamic data structure while ArrayList is a static data structure.

    • Linked List is best for frequent insertion and deletion operations.

    • ArrayList is best for frequent access operations.

    • Linked List uses more memory than ArrayList.

    • ArrayList is faster than Linked List for accessing elements.

    • Use Linked List when you need to frequently add or remove elements from the list.

    • Use ArrayList when you need to frequen

  • Answered by AI
  • Q7. Questions of OS concepts?
  • Q8. A role play scenario was given. With a clear instruction on I don’t need to know the basis and the hypothetical assumption was presented. I was told that I was expected to respond to the given scenario, in...
  • Q9. Why are you interested in a career in investment banking?
  • Ans. 

    I am not interested in a career in investment banking.

    • I am more interested in a career in software development

    • I enjoy problem-solving and creating innovative solutions through coding

    • Investment banking does not align with my passion and skill set

  • Answered by AI
  • Q10. Why have you chosen to apply to J.P. Morgan?
  • Ans. 

    I have chosen to apply to J.P. Morgan because of their reputation, global presence, and opportunities for growth.

    • J.P. Morgan has a strong reputation in the financial industry.

    • They have a global presence with offices in multiple countries.

    • The company offers various opportunities for career growth and development.

    • J.P. Morgan is known for its innovative technology solutions in the financial sector.

    • I am impressed by their ...

  • Answered by AI
  • Q11. Have you ever made a mistake? Tell us about it?
  • Ans. 

    Yes, I have made a mistake in my previous project.

    • I underestimated the complexity of a task and ended up missing the deadline.

    • I failed to properly test a feature, resulting in a bug that affected user experience.

    • I accidentally deleted an important file without having a backup.

    • I misunderstood a requirement and implemented a feature incorrectly.

  • Answered by AI

Interview Preparation Tips

Round: Test
Total Questions: 1

General Tips: Interview Process: Aptitude test, followed by 3 rounds of interview. Interview process was very good. Just be positive to clear the interview.
Check this link before appearing for interview with JP Morgan. It will help  -----
Skills: Algorithm, Data structure, Stack
College Name: Na

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. Core java,multi threading and react

Interview Preparation Tips

Interview preparation tips for other job seekers - very good company. Interview process is very fair.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Jul 2022. There were 6 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Aptitude Test 

Simple aptitude test ............

Round 3 - Coding Test 

3 question leetcode medium .......

Round 4 - Technical 

(1 Question)

  • Q1. Basic programming based questions
Round 5 - Technical 

(1 Question)

  • Q1. Project based questions
Round 6 - HR 

(1 Question)

  • Q1. Basic personal questions
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Oops, mvc, design principles
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Jun 2023. There were 3 interview rounds.

Round 1 - Coding Test 

Round of 3 phases : Vocabulary, Business analytics and Coding

Round 2 - Technical 

(1 Question)

  • Q1. Convert number to ruman numeral
  • Ans. 

    Convert a number to Roman numeral representation.

    • Create a mapping of numbers to Roman numerals (e.g. 1 -> 'I', 5 -> 'V', 10 -> 'X', etc.)

    • Iterate through the mapping in descending order and subtract the largest possible numeral from the number until it reaches 0.

    • Build the Roman numeral representation by appending the corresponding numeral for each subtraction.

    • Handle special cases like 4, 9, 40, 90, etc. by including the

  • Answered by AI
Round 3 - One-on-one 

(1 Question)

  • Q1. Resume questions
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(4 Questions)

  • Q1. Technical questions on firstround
  • Q2. Logging System explanations about splunk
  • Ans. 

    Splunk is a powerful logging system used for collecting, indexing, and analyzing machine-generated data.

    • Splunk is used for real-time monitoring, searching, and analyzing log data from various sources.

    • It can be used to troubleshoot issues, monitor system performance, and detect security threats.

    • Splunk allows users to create custom dashboards and reports for visualizing data insights.

    • It supports a wide range of data sour...

  • Answered by AI
  • Q3. Microservices Architecture explanation
  • Ans. 

    Microservices architecture is an approach to software development where a single application is composed of small, independent services that communicate with each other through APIs.

    • Each service is responsible for a specific function or feature of the application

    • Services are loosely coupled, allowing for easier scalability and maintenance

    • Communication between services is typically done through lightweight protocols lik...

  • Answered by AI
  • Q4. Java 8 programming
Round 2 - Technical 

(1 Question)

  • Q1. Java 8 Programming

Interview Preparation Tips

Interview preparation tips for other job seekers - Good Company

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Given a python program, debug the programme
  • Q2. Find substrings from a list program in Python
  • Ans. 

    Use list comprehension to find substrings in a list of strings in Python

    • Use list comprehension to iterate through the list of strings

    • Use the 'in' keyword to check if the substring is present in each string

    • Filter out strings that do not contain the substring

  • Answered by AI

Skills evaluated in this interview

Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Aptitude round it is very easy

Round 2 - One-on-one 

(1 Question)

  • Q1. Basic question there different from other

Interview Preparation Tips

Interview preparation tips for other job seekers - Hr round
Interview experience
2
Poor
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Coding Test 

Very easy questions on stack and simple string questions

Round 3 - Technical 

(1 Question)

  • Q1. Project discussion
Round 4 - HR 

(1 Question)

  • Q1. Why do u want to join us

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₹2 L/yr - ₹9.5 L/yr
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