TCS Application Development Analyst Interview Questions and Answers

Q1. Oops concepts and implementation
Ans. 
Oops concepts refer to object-oriented programming principles like inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance allows a class to inherit properties and behavior from another class.

• Encapsulation involves bundling data and methods that operate on the data into a single unit.

• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• Abstraction focuses on hid...read more
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Q2. Sql Concepts and Ssms
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Q1. .Net Technology basics
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Q2. Solid principles
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Q1. Mostly asked java 8 update and distinct number in given array and Multithreading
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Q2. 2 program based on java 8, array reverse
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Q1. What is the Java code for comparing two strings for equality?
Ans. 
Use the equals() method in Java to compare two strings for equality.
• Use the equals() method to compare two strings for equality.

• Example: String str1 = "hello"; String str2 = "hello"; if(str1.equals(str2)) { // strings are equal }
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Q1. What is SDLC? Explain briefly
Ans. 
SDLC stands for Software Development Life Cycle, a process used by software development teams to design, develop, and test high-quality software.
• SDLC is a structured process that consists of several phases such as planning, analysis, design, implementation, testing, and maintenance.

• Each phase has its own set of activities and deliverables that contribute to the overall success of the project.

• SDLC helps ensure that the ...read more
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Q2. Can you tell me the core concepts of Object Oriented Programming?
Ans. 
Core concepts of Object Oriented Programming include encapsulation, inheritance, and polymorphism.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (object).

• Inheritance: Allowing a new class to inherit properties and behavior from an existing class.

• Polymorphism: The ability for objects of different classes to respond to the same message in different ways.

• Example: Inheritance - A 'Car'...read more
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Q3. Project related questions
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Multiple choices,coding 2questions,verbal

Q1. Languages questions
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Q2. Coding questions Asking
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Q1. General discussion
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Q2. Package discussion
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Q3. Why should I hire you
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Q1. Any standing arrears location preffered marks scored in 10 and 12th and college Are you a Fresher Self introduction okay with Night shifts your strength and weakness why you choose cognizant why you not...read more
Ans. 
I have no standing arrears and I am open to working night shifts. I will provide a self introduction and explain why I chose Cognizant over my college major.
• No standing arrears

• Open to night shifts

• Self introduction

• Reason for choosing Cognizant over college major
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Q1. Define nfts define vpn define sql define linux and what editor we use in linux how to install windows 10 in laptop or system how to communicate using one system to another how to work in linux what linux ...read more
Ans. 
This interview question covers various topics related to application development, including NFTs, VPN, SQL, Linux, and Windows installation.
• NFTs are non-fungible tokens, which are unique digital assets that can represent ownership of a specific item or piece of content.

• VPN stands for Virtual Private Network, which provides a secure and encrypted connection over a public network, allowing users to access private network...read more
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A 90 min long aptitude test with an entire section dedicated to Cloud Tech.

A 45 min long coding test usually this involves some form of array or strings based question.