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TCS Java Developer Interview Questions, Process, and Tips

Updated 19 Feb 2025

Top TCS Java Developer Interview Questions and Answers

  • Q1. what are the difference between abstract class and interface, and throw and throws, and why we use throws?? Why String is Immutable?
  • Q2. What are the main OOPS concepts in java and explain one by one?
  • Q3. 1. What is JDK, JVM, JRE.
View all 193 questions

TCS Java Developer Interview Experiences

184 interviews found

Java Developer Interview Questions & Answers

user image Harshith MJ

posted on 2 Aug 2024

Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Jul 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

Good with easy question

Round 2 - Technical 

(2 Questions)

  • Q1. What is jdk and its function
  • Ans. 

    JDK stands for Java Development Kit, it is a software development kit used for developing Java applications.

    • JDK includes tools for developing, debugging, and monitoring Java applications.

    • It contains JRE (Java Runtime Environment) which is necessary for running Java programs.

    • JDK also includes a compiler, debugger, and other tools needed for Java development.

    • Examples of JDK versions include JDK 8, JDK 11, and JDK 15.

  • Answered by AI
  • Q2. What are literals in java
  • Ans. 

    Literals in Java are fixed values that are directly used in the code.

    • Literals can be of various types such as integer literals, floating-point literals, character literals, string literals, boolean literals, and null literals.

    • Examples: int num = 10; double pi = 3.14; char letter = 'A'; String name = "John"; boolean flag = true; Object obj = null;

  • Answered by AI

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
-
Result
Not Selected
Round 1 - Technical 

(1 Question)

  • Q1. What question asked related technical round for java

Java Developer Interview Questions Asked at Other Companies

asked in Deloitte
Q1. Sort 0 and 1 Problem Statement Given an integer array ARR of size ... read more
Q2. Parent class has run() and walk() . Parent run() - calls walk() C ... read more
asked in Infosys
Q3. Which should be preferred between String and StringBuffer when th ... read more
asked in Deloitte
Q4. Convert BST to Greater Sum Tree Given a Binary Search Tree (BST) ... read more
Q5. 2. What will happen if hashcode only returns a constant? How will ... read more
Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via LinkedIn and was interviewed in Jul 2024. There were 3 interview rounds.

Round 1 - Aptitude Test 

APtitude test invole percent

Round 2 - Technical 

(1 Question)

  • Q1. Basic Java concept, Oops Concept
Round 3 - HR 

(1 Question)

  • Q1. Tell me about yourself

Java Developer Interview Questions & Answers

user image RAMAN KUMAR

posted on 14 Oct 2024

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Naukri.com and was interviewed in Sep 2024. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Oops, stream api
  • Q2. Garbage collection
Round 2 - Coding Test 

Map, collection, set

TCS interview questions for designations

 Senior Java Developer

 (19)

 Java Software Developer

 (7)

 Core Java Developer

 (3)

 Java Application Developer

 (2)

 Junior Java Developer

 (1)

 Fullstack Java Developer

 (4)

 Backend Java Developer

 (2)

 Java Microservice Developer

 (1)

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. What is Jvm process?
  • Ans. 

    JVM process is an instance of Java Virtual Machine that executes Java bytecode.

    • JVM process is responsible for interpreting and executing Java bytecode.

    • It manages memory, handles garbage collection, and provides runtime environment for Java programs.

    • Examples of JVM implementations include Oracle HotSpot, OpenJ9, and GraalVM.

  • Answered by AI
  • Q2. Collection questions in java

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well u can clear easily

Skills evaluated in this interview

Get interview-ready with Top TCS Interview Questions

Java Developer Interview Questions & Answers

user image Vijeta Pandey

posted on 28 Aug 2024

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Java/spring boot questions
  • Q2. Collection questions

Java Developer Jobs at TCS

View all
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed in Sep 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. JDK, JVM , JRE
  • Q2. Spring boot vs Spring
  • Ans. 

    Spring Boot is a framework that simplifies the development of Spring applications by providing pre-configured settings and conventions.

    • Spring Boot is opinionated and provides defaults for configuration, reducing the need for manual setup.

    • Spring Boot includes embedded servers like Tomcat, Jetty, or Undertow, making it easy to deploy standalone applications.

    • Spring Boot offers a variety of starters to quickly set up commo...

  • Answered by AI

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. What are plugins in springboot?
  • Ans. 

    Plugins in Spring Boot are external modules that can be easily integrated into the application to add new functionalities.

    • Plugins in Spring Boot are typically implemented as Spring beans that can be dynamically loaded and executed at runtime.

    • They can be used to extend the functionality of the application without modifying the core codebase.

    • Examples of plugins in Spring Boot include custom authentication providers, logg

  • Answered by AI
  • Q2. When to use class & interface, basics oops concepts

Interview Preparation Tips

Interview preparation tips for other job seekers - Basics of java, springboot, microservices. String , streams, annotations. When to use which dependency injections in spring
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Recruitment Consulltant and was interviewed in Aug 2024. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Spring security
  • Q2. Spring annotations
Round 2 - HR 

(2 Questions)

  • Q1. Brief about yourself
  • Ans. 

    I am a Java Developer with 5 years of experience in developing web applications using Java, Spring, and Hibernate.

    • Experienced in Java programming language

    • Proficient in Spring framework for building web applications

    • Skilled in using Hibernate for database interaction

  • Answered by AI
  • Q2. Why you want to join tcs
  • Ans. 

    I want to join TCS because of its reputation for providing challenging projects and opportunities for growth.

    • TCS is known for its innovative projects and cutting-edge technologies

    • I am impressed by TCS's commitment to employee development and training programs

    • I believe TCS will provide me with a platform to enhance my skills and advance my career

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Oct 2024. There was 1 interview round.

Round 1 - Coding Test 

Java html squl coding

Interview Preparation Tips

Interview preparation tips for other job seekers - Good
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TCS Interview FAQs

How many rounds are there in TCS Java Developer interview?
TCS interview process usually has 1-2 rounds. The most common rounds in the TCS interview process are Technical, Resume Shortlist and HR.
How to prepare for TCS Java Developer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at TCS. The most common topics and skills that interviewers at TCS expect are Java, Spring Boot, Microservices, Hibernate and Spring.
What are the top questions asked in TCS Java Developer interview?

Some of the top questions asked at the TCS Java Developer interview -

  1. what are the difference between abstract class and interface, and throw and thr...read more
  2. What are the main OOPS concepts in java and explain one by o...read more
  3. 1. What is JDK, JVM, J...read more
How long is the TCS Java Developer interview process?

The duration of TCS Java Developer interview process can vary, but typically it takes about less than 2 weeks to complete.

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TCS Java Developer Interview Process

based on 172 interviews

4 Interview rounds

  • Technical Round - 1
  • Technical Round - 2
  • HR Round - 1
  • HR Round - 2
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TCS Java Developer Salary
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₹1.9 L/yr - ₹9 L/yr
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