JustDial Software Engineer Interview Questions, Process, and Tips

Q1. Tell me about yourself?
Ans. Sure! My name ----- and i am software engineer with experience of x years.I have a strong background in web technologies.Throughout my career, I have worked on various projects, Including Ecommerce .I am passionate about problem solving and finding efficient solutions through coding. I enjoy working in collaborative environment where i can learn from my team members and contribute my skill i have learnt so far to crea...read more
Answered Anonymously
Add your answer

Q1. How would you handle cookies and cache in a PHP application?
Ans. 
Cookies and cache in a PHP application can be handled by setting and retrieving cookies, using caching mechanisms like memcached or Redis, and implementing cache control headers.
• Set cookies using setcookie() function in PHP

• Retrieve cookies using $_COOKIE superglobal

• Use caching mechanisms like memcached or Redis to store frequently accessed data

• Implement cache control headers to control caching behavior in the applicati
Answered by AI
View 1 more answer
Q2. Can you explain what redis is and how it can be used in a web application?
Ans. 
Redis is an open-source, in-memory data structure store used as a database, cache, and message broker.
• Redis is often used for caching data to improve performance in web applications.

• It can also be used as a database to store key-value pairs for fast retrieval.

• Redis can be used as a message broker for real-time applications by implementing pub/sub messaging.

• Examples: Storing session data, caching frequently accessed dat
Answered by AI
View 1 more answer
Q3. Can you explain how an AI recommendation system works?
Ans. 
AI recommendation systems use algorithms to analyze user data and provide personalized suggestions.
• AI recommendation systems collect and analyze user data such as browsing history, preferences, and interactions.

• They use machine learning algorithms to identify patterns and similarities between users and items.

• Based on this analysis, the system generates personalized recommendations for users, such as movies, products, o...read more
Answered by AI
View 1 more answer

Q1. How do you approach working in a collaboration team environment , and can you provide an example of a sucessful team collaboration?
Ans. I believe in fostering a positve and inclusive team environment.Through constant collabroration , regular feedback ansd a shared sense of ownership , we can sucessfuly deliver the feature within the given timeline.We practiced agile methodologies ,such as daily standups , sprint planning and retrospectives.This allow us to maintain a clear understanding of individual tasks and adapt our approaches as needed.
Answered Anonymously
Add your answer
Q2. Formal Introduction and company related information?
Add your answer

Q1. Write a MySQL stored procedure
Ans. 
A MySQL stored procedure example
• Use CREATE PROCEDURE statement to define a new stored procedure

• Use BEGIN and END to enclose the procedure's code

• Use parameters to pass values into the procedure

• Use SELECT, INSERT, UPDATE, DELETE statements within the procedure
Answered by AI
Add your answer
Q2. How can indexing in MySQL
Ans. 
Indexing in MySQL improves query performance by creating efficient data structures.
• Indexes are created on columns in a table to speed up SELECT queries.

• Primary key columns are automatically indexed in MySQL.

• Indexes can be created using CREATE INDEX statement or by adding INDEX keyword in CREATE TABLE statement.

• Indexes can be unique or non-unique.

• Examples: CREATE INDEX idx_name ON table_name(column_name);

• Examples: CREAT...read more
Answered by AI
Add your answer

Q1. Write a code to to find out data and duplicate count from a array
Ans. 
Code to find data and duplicate count from an array of strings
• Iterate through the array and use a HashMap to store each element and its count

• Increment the count if the element is already present in the HashMap

• Finally, iterate through the HashMap to print out the elements and their counts
Answered by AI
Add your answer

Q1. Find the index of greatest number from the array?
Ans. 
To find the index of the greatest number in an array.
• Loop through the array and compare each element with the current greatest number. If the current element is greater, update the greatest number and its index.

• Use built-in functions like Math.max() and indexOf() to simplify the code.
Answered by AI
Add your answer
Q2. Sql question find the top 3 employess who have max salary ?
Add your answer

Q1. Tell me something about yorself?
Add your answer
Q2. Why you want to join justdial?
Add your answer

Simple question from array ad object

Q1. Basic question on java script and node js
Add your answer

Q1. Questions on JavaScript, Mysql
Add your answer

Q1. Questions on MySQL database
Add your answer