SightSpectrum Technology Solutions Software Engineer Trainee Interview Questions and Answers

3 Questions of mid difficulty

2 questions of mid to hard difficulty

Q1. Basic DSA and problem solving related questions
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Q2. How to design and implement a dictionary application
Ans. 
Design and implement a dictionary application for easy word lookup
• Define data structure to store words and their meanings

• Implement search functionality to look up words quickly

• Include features like word suggestions, synonyms, and antonyms

• Allow users to add new words and meanings to the dictionary

• Consider implementing a user-friendly interface for easy navigation
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Online aptitude test on basic mcqs

Q1. Core java, springboot, microservices, mysql questions
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Q2. Oops, collections questions
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Q3. Multithreading questions
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Q4. Exception questions
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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
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Q2. Different between array and collection
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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:...read more
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Q1. OOPS , multi thread, exception
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Q2. Java 8 features
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Moderate round . Easy to clear

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...read more
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Q2. Data base connection in sprinh boot
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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
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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
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Q2. Notice period days
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Was taken on firefox Brower and was easy

Very basic questions like swap numbers etc

Q1. Basic questions on cpp
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Q2. Opps concept like encapsulation etc
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Q3. Write a code to reverse a string
Ans. 
Code to reverse a string
• Create an empty string to store the reversed string

• Loop through the original string from end to start

• Append each character to the empty string

• Return the reversed string
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Q1. What is increment operator
Ans. 
The increment operator is used to increase the value of a variable by 1.
• The increment operator is denoted by ++.

• It can be used with both integers and floating-point numbers.

• It can be used as a prefix (++x) or postfix (x++).

• When used as a prefix, the value is incremented before the expression is evaluated.

• When used as a postfix, the value is incremented after the expression is evaluated.

• Example: int x = 5; x++; // x is
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Q2. Explain dbms and rdbms
Ans. 
DBMS is a software that manages databases, while RDBMS is a type of DBMS that uses a relational model.
• DBMS stands for Database Management System

• It is a software that allows users to create, manipulate, and manage databases

• RDBMS is a type of DBMS that organizes data into tables with rows and columns

• It enforces the relational model and supports SQL for querying and managing data

• Examples of DBMS: MySQL, Oracle, SQL Server
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