eTouch - Virtusa Interview Questions and Answers

Q1. What is metaspace?
Ans. 
Metaspace is a memory space in Java that stores metadata about classes and methods.
• Metaspace replaces the permanent generation (PermGen) in Java 8 and later versions.

• It is used to store class metadata, such as class names, method names, field names, annotations, etc.

• Metaspace is dynamically allocated and resized by the JVM as needed.

• It helps prevent OutOfMemoryError caused by PermGen space exhaustion.
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Employee model CRUD APIS USING SRPING BOOT & MYSQL

Q1. TELL ME ABOUT YOUR SELF
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Q2. SPRING BOOT VS SPRING
Ans. 
Spring Boot is a framework that simplifies Spring development by providing pre-configured settings and dependencies.
• Spring Boot is built on top of the Spring framework.

• Spring Boot provides a standalone executable that can run the application.

• Spring Boot provides auto-configuration, which reduces the need for manual configuration.

• Spring Boot provides a wide range of starter dependencies that can be easily added to the p...read more
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Q3. JPA VS HIBERNATE WHAT IS ADVANTAGE USING JPA
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JPA is a specification while Hibernate is an implementation of JPA. JPA provides a standard API for ORM frameworks.
• JPA is a standard API for ORM frameworks

• JPA provides a vendor-neutral interface

• JPA allows for easy switching between ORM frameworks

• Hibernate is an implementation of JPA

• Hibernate provides additional features beyond JPA
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Q4. WHTA IS MYSQL GROUP BY & DISTINCT
Ans. 
MySQL GROUP BY is used to group rows with same values. DISTINCT is used to remove duplicate values from a column.
• GROUP BY is used with aggregate functions like COUNT, SUM, AVG, etc.

• DISTINCT is used to retrieve unique values from a column.

• GROUP BY and DISTINCT can be used together to group and retrieve unique values.

• Example: SELECT COUNT(*) FROM table_name GROUP BY column_name;

• Example: SELECT DISTINCT column_name FROM t
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Q5. WHAT ARE SCOPES ARE AVAILABLE IN SPRING
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Spring has four scopes: Singleton, Prototype, Request, and Session.
• Singleton scope creates a single instance of a bean.

• Prototype scope creates a new instance of a bean every time it is requested.

• Request scope creates a new instance of a bean for each HTTP request.

• Session scope creates a new instance of a bean for each HTTP session.
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Q1. Basic Technical Interview
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Q2. Basics on Framework used
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Q3. Infrastructure related
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Q4. Process and security
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Q1. Salary expectations and negotiation
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They took the test which have questions related to reasoning, aptitude, coding and, English

Q1. They asked technical questions as well as hr questions
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Q1. More than technology,a senior recruiter asks where you stay which gali you stay,which temple is near by,what your husband do,getting into more personal and final he will ask your janam kundali and tell you...read more
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Q1. Senior recruiter will ask more personal questions
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