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MindGate Solutions Software Developer Interview Questions and Answers
12 Interview questions
Abstract class is a class that cannot be instantiated and may contain abstract methods.
Cannot be instantiated directly
May contain abstract methods that must be implemented by subclasses
Can have both abstract and non-abstract methods
Used for creating a template for other classes to inherit from
Database connection in Spring Boot is configured using application.properties or application.yml file.
Define database connection properties in application.properties or application.yml file
Use @EnableJpaRepositories annotation to enable JPA repositories
Use @Entity annotation to define entity classes
Use @Autowired annotation to inject the DataSource or EntityManager
Stream API is a feature in Java that allows processing collections of objects in a functional style.
Stream API provides a way to perform operations on a collection of objects in a declarative way.
It supports functional-style operations like map, filter, reduce, and forEach.
Streams can be created from various sources like collections, arrays, or I/O channels.
Stream operations are lazy, meaning they are only execute...
Strings are immutable to ensure data integrity and security by preventing accidental or intentional modification.
Immutable strings prevent accidental changes to data
Enhances security by preventing data tampering
Allows for efficient memory management
Count the number of repeated words in a given string
Split the string into words using a delimiter like space
Create a hashmap to store word frequencies
Iterate through the words and update the hashmap accordingly
Count the number of words with frequency greater than 1
Arrays are fixed in size and store elements of the same data type, while collections are dynamic in size and can store elements of different data types.
Arrays have a fixed size, while collections can dynamically resize.
Arrays store elements of the same data type, while collections can store elements of different data types.
Arrays use indexes to access elements, while collections use iterators or other methods.
Exam...
Encapsulation, Inheritance, Polymorphism, Abstraction
Encapsulation: Bundling data and methods that operate on the data into a single unit
Inheritance: Ability of a class to inherit properties and behavior from another class
Polymorphism: Ability to present the same interface for different data types
Abstraction: Hiding the complex implementation details and showing only the necessary features
Java is most secured due to its strong memory management, bytecode verification, and security manager.
Java's strong memory management prevents buffer overflow and other memory-related vulnerabilities.
Bytecode verification ensures that the code is safe to execute and prevents malicious code from running.
Security manager allows fine-grained control over access to system resources.
Java also has a robust set of securi...
Java programs are executed by the Java Virtual Machine (JVM) which interprets and executes the bytecode generated by the Java compiler.
Java source code is compiled into bytecode by the Java compiler
The bytecode is platform-independent and can be executed on any device with a JVM
The JVM interprets the bytecode and executes the instructions
The JVM manages memory, handles exceptions, and provides other runtime servic...
Basic MySQL commands include creating databases, tables, inserting data, querying, updating, and deleting records.
CREATE DATABASE db_name; // Creates a new database
USE db_name; // Selects the database to use
CREATE TABLE table_name (column1 datatype, column2 datatype); // Creates a new table
INSERT INTO table_name (column1, column2) VALUES (value1, value2); // Inserts data into a table
SELECT * FROM table_name; // Re...
MindGate Solutions Software Developer Interview Experiences
12 interviews found
Anonymous
(2 Questions)
- Q1. Tell Me about Yourself
- Ans.
I am a passionate software developer with experience in Java, Python, and web development.
Experienced in Java, Python, and web development technologies
Strong problem-solving skills and ability to work in a team
Completed multiple projects including a web-based inventory management system
- Q2. Question From OOPS Consept
(2 Questions)
- Q1. Ask About Web Form
- Q2. SQL Question like Relation
Selected
I applied via Naukri.com and was interviewed in Jul 2024. There were 3 interview rounds.
Moderate round . Easy to clear
(2 Questions)
- Q1. Explain stream api
- Ans.
Stream API is a feature in Java that allows processing collections of objects in a functional style.
Stream API provides a way to perform operations on a collection of objects in a declarative way.
It supports functional-style operations like map, filter, reduce, and forEach.
Streams can be created from various sources like collections, arrays, or I/O channels.
Stream operations are lazy, meaning they are only executed whe...
- Q2. Data base connection in sprinh boot
- Ans.
Database connection in Spring Boot is configured using application.properties or application.yml file.
Define database connection properties in application.properties or application.yml file
Use @EnableJpaRepositories annotation to enable JPA repositories
Use @Entity annotation to define entity classes
Use @Autowired annotation to inject the DataSource or EntityManager
(2 Questions)
- Q1. Why you want to join in mgs
- Ans.
I want to join MGS because of its reputation for cutting-edge technology and innovative projects.
Exciting opportunities for growth and learning
Strong focus on technology and innovation
Desire to work with talented and passionate individuals
Alignment with company values and culture
- Q2. Notice period days
Interview Preparation Tips
Skills evaluated in this interview
(2 Questions)
- Q1. What is abstract class?
- Ans.
Abstract class is a class that cannot be instantiated and may contain abstract methods.
Cannot be instantiated directly
May contain abstract methods that must be implemented by subclasses
Can have both abstract and non-abstract methods
Used for creating a template for other classes to inherit from
- Q2. What is sub query and Like operator?
- Ans.
A subquery is a query nested within another query, and the LIKE operator is used in SQL to search for a specified pattern in a column.
A subquery is enclosed in parentheses and executed first before the main query.
The result of a subquery can be used in comparison with the main query's result.
The LIKE operator is used with the WHERE clause to search for a specified pattern in a column.
The LIKE operator allows for wildca...
Skills evaluated in this interview
(2 Questions)
- Q1. Java coding and development
- Q2. Db and development skills
I appeared for an interview in Feb 2025, where I was asked the following questions.
- Q1. 1mcq 2techincal Hr 3.coding 4.manager round 5.hr
- Q2. Java basics,oops,collection,sql joins
(2 Questions)
- Q1. What is four pillars of oops concepts
- Ans.
Encapsulation, Inheritance, Polymorphism, Abstraction
Encapsulation: Bundling data and methods that operate on the data into a single unit
Inheritance: Ability of a class to inherit properties and behavior from another class
Polymorphism: Ability to present the same interface for different data types
Abstraction: Hiding the complex implementation details and showing only the necessary features
- Q2. Different between array and collection
- Ans.
Arrays are fixed in size and store elements of the same data type, while collections are dynamic in size and can store elements of different data types.
Arrays have a fixed size, while collections can dynamically resize.
Arrays store elements of the same data type, while collections can store elements of different data types.
Arrays use indexes to access elements, while collections use iterators or other methods.
Examples:...
Skills evaluated in this interview
Bhupendra Jamkhedkar
(2 Questions)
- Q1. Why strings are immutable
- Ans.
Strings are immutable to ensure data integrity and security by preventing accidental or intentional modification.
Immutable strings prevent accidental changes to data
Enhances security by preventing data tampering
Allows for efficient memory management
- Q2. Count the number of repeated words from the given string
- Ans.
Count the number of repeated words in a given string
Split the string into words using a delimiter like space
Create a hashmap to store word frequencies
Iterate through the words and update the hashmap accordingly
Count the number of words with frequency greater than 1
Interview Preparation Tips
(2 Questions)
- Q1. OOPS , multi thread, exception
- Q2. Java 8 features
Interview Preparation Tips
Difficulty level is medium
(1 Question)
- Q1. Medium about java and database
(1 Question)
- Q1. Medium level - about project
Selected
I applied via Walk-in and was interviewed before Apr 2023. There were 2 interview rounds.
Online aptitude test on basic mcqs
(4 Questions)
- Q1. Core java, springboot, microservices, mysql questions
- Q2. Oops, collections questions
- Q3. Multithreading questions
- Q4. Exception questions
Interview Preparation Tips
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