Datalogy Software Associate Software Engineer Interview Questions and Answers

Online test -math & quants,verbal,puzzle,computer programming,logical

Q1. They select everyone from this & nothing serious
Add your answer

Q1. Any program which you know.
Ans. 
One program I know is a simple calculator program written in Python.
• The program takes user input for two numbers and an operator (+, -, *, /).

• It then performs the operation and displays the result.

• Example: input 5, +, 3 -> output 8
Answered by AI
Add your answer
Q2. About the projects in the resume
Add your answer
Q3. About the internship
Add your answer

Q1. Tell about yourself
Add your answer
Q2. Can you relocate yourself(your answer should be yes)
Add your answer

Q1. What is the difference between drop and delete in SQL?
Ans. 
Drop removes a table from the database while delete removes specific rows from a table.
• DROP is a DDL (Data Definition Language) command used to remove a table and its data from the database.

• DELETE is a DML (Data Manipulation Language) command used to remove specific rows from a table based on a condition.

• DROP command is irreversible and all the data in the table is lost, while DELETE can be rolled back if used within a...read more
Answered by AI
Add your answer
Q2. What are the different commands in SQL?
Ans. 
SQL commands are used to interact with databases and perform various operations like querying, updating, and deleting data.
• SELECT - retrieves data from a database

• INSERT - adds new data to a database

• UPDATE - modifies existing data in a database

• DELETE - removes data from a database

• CREATE - creates a new database or table

• ALTER - modifies the structure of a database object

• DROP - deletes a database object

• JOIN - combines row...read more
Answered by AI
Add your answer

Numerical based questions are there mostly

Good basic level coding questions

Q1. Tell me about urself
Add your answer
Q2. Tell about ur projects
Ans. 
I have worked on various projects including a web application for online shopping and a mobile app for task management.
• Developed a web application using HTML, CSS, and JavaScript for online shopping

• Created a mobile app using React Native for task management

• Implemented RESTful APIs for communication between front-end and back-end systems
Answered by AI
Add your answer

Q1. Difference between abstract class and interface
Ans. 
Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.
• Abstract class can have constructors, fields, and methods, while interface cannot have any of these.

• A class can implement multiple interfaces but can only inherit from one abstract class.

• Abstract classes are used to provide a common base for multiple classes, while interfaces define a contract that implementin
Answered by AI
Add your answer
Q2. Why static and final key words used
Ans. 
Static and final keywords are used in Java to define class-level variables and constants respectively.
• Static keyword is used to define class-level variables and methods, which are shared among all instances of the class.

• Final keyword is used to define constants that cannot be changed once initialized.

• Static variables are accessed using the class name, while final variables are accessed using object references.

• Example: ...read more
Answered by AI
Add your answer

Q1. Java , collection , spring boot
Add your answer
Q2. What is internal working of hashmap
Ans. 
HashMap is a data structure that stores key-value pairs and uses hashing to efficiently retrieve values.
• HashMap internally uses an array of linked lists to store key-value pairs.

• When a key-value pair is added, the key is hashed to determine the index in the array where it will be stored.

• If multiple keys hash to the same index, a linked list is used to handle collisions.

• To retrieve a value, the key is hashed again to fi...read more
Answered by AI
Add your answer

Q1. Spring security, oops , hibernate
Add your answer

Normal aptitude questions quants, logical reasoning, English, speed time, clock and 2 coding questions easy level

Q1. Tell me about yourself, Then questions based on resume and project work , gave some easy coding questions for solving
Add your answer

Q1. Introduction, what changes you see in your self when you first xime to college and now, what you learn in this period, about family, and impact of staying in hostel etc..
Add your answer

Basic aptitude test , not that hard , simply logic base questions

2 questions (array , String, linked list)

Q1. Basic HR questions
Add your answer