TCS Assistant Consultant and Developer Interview Questions, Process, and Tips

Q1. Explain your previous project
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Q2. Explain Mvc life cycle,
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MVC life cycle is the sequence of events that occur during the processing of a web request in an MVC application.
• Request comes in through the browser

• Routing determines which controller and action to call

• Controller executes the action and returns a view

• View is rendered and sent back to the browser
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Q3. SQL queries, questions on procedure
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Q4. Web api questions
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Q1. New features in java 8
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Java 8 introduced several new features including lambda expressions, streams, and default methods.
• Lambda expressions allow for functional programming and simplify code.

• Streams provide a way to process collections of data in a functional way.

• Default methods allow for adding new methods to interfaces without breaking existing code.

• Other new features include the Optional class, Date and Time API, and Nashorn JavaScript en
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Q2. What is transactional, required vs requires_new
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Transactional is a way to ensure data consistency in a database. Required and Requires_New are two types of transactional propagation.
• Transactional ensures that a group of database operations are treated as a single unit of work.

• Required propagation means that the transaction will join an existing transaction if one exists, otherwise a new transaction will be created.

• Requires_New propagation means that a new transactio...read more
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Q3. Checked vs unchecked exception
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Checked exceptions are checked at compile-time while unchecked exceptions are not.
• Checked exceptions are declared in the method signature using the 'throws' keyword.

• Unchecked exceptions are not declared in the method signature.

• Examples of checked exceptions include IOException and SQLException.

• Examples of unchecked exceptions include NullPointerException and ArrayIndexOutOfBoundsException.
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Q4. Singleton pattern vs singleton scope
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Singleton pattern is a design pattern that restricts the instantiation of a class to one object, while singleton scope is a scope in which only one instance of a bean is created.
• Singleton pattern is used to ensure that only one instance of a class is created and that it is globally accessible.

• Singleton scope is used in Spring framework to ensure that only one instance of a bean is created and that it is shared across t...read more
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Q1. Remedy technical questions like what's the filter phasing.
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Q2. What's the difference between active link and filter
Ans. 
Active link triggers an action when a specified condition is met, while filter restricts data based on specified criteria.
• Active link is used to trigger actions like sending notifications or updating records based on certain conditions

• Filter is used to restrict data displayed or processed based on specified criteria

• Active link is proactive in nature, while filter is reactive

• Example: An active link can be set up to send...read more
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Common aptitude test

C++ basic whatever i liked

Q1. What are the advantages of using a docker
Ans. 
Docker provides advantages such as portability, scalability, and isolation.
• Docker allows for easy portability of applications across different environments.

• Docker enables efficient use of resources and scalability through containerization.

• Docker provides isolation between applications and their dependencies, reducing conflicts and improving security.

• Docker simplifies the deployment process and allows for faster iterati...read more
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Q2. Which static code analysis tools were used in the current project
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We used SonarQube and Checkstyle for static code analysis in the current project.
• SonarQube was used to analyze code quality and identify bugs, vulnerabilities, and code smells.

• Checkstyle was used to enforce coding standards and conventions.

• Both tools were integrated into our CI/CD pipeline for continuous analysis and improvement.

• We also used PMD for additional code analysis and to identify potential performance issues.
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