TCS SOA Developer Interview Questions and Answers

Q1. What is proxy service
Ans. 
A proxy service is an intermediary service that sits between a client and a target service, forwarding requests and responses.
• Proxy service acts as a middleman between client and target service

• It intercepts client requests and forwards them to the target service

• It also intercepts target service responses and sends them back to the client

• Proxy services can perform various tasks like security, caching, load balancing, et
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Q2. What is business service?
Ans. 
A business service is a logical representation of a repeatable business activity that has a specified outcome.
• Business services are designed to be reusable and can be composed to create larger business processes.

• They encapsulate the logic and functionality required to perform a specific business task.

• Examples of business services include customer registration, order processing, and payment processing.
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Q3. What is message flow?
Ans. 
Message flow refers to the sequence of steps or actions that a message goes through in a system.
• Message flow describes the path that a message takes from its source to its destination.

• It includes the processing and transformation of the message at various stages.

• Message flow can involve multiple components, such as message queues, routers, and adapters.

• Each step in the message flow may perform different operations on t...read more
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Q4. Can we use direct bindings to call soa composites?
Ans. 
Yes, direct bindings can be used to call SOA composites.
• Direct bindings provide a way to invoke SOA composites without using a mediator service.

• Direct bindings allow for direct communication between the client and the composite.

• Direct bindings are useful when there is no need for additional processing or transformation of data.

• Direct bindings can be used for synchronous as well as asynchronous communication.

• Direct bind...read more
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Q5. Where the file will go if there is an error while polling the file
Ans. 
The file will be moved to an error folder or directory.
• If there is an error while polling the file, it will be moved to an error folder or directory.

• This error folder or directory is typically specified in the configuration or settings of the polling mechanism.

• Moving the file to an error folder helps in identifying and handling the error separately from the successfully polled files.

• The error folder may also contain lo...read more
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Q1. How to call java code from osb
Ans. 
To call Java code from OSB, you can use Java Callout or Java Embedding activity.
• Java Callout activity allows you to invoke Java code from OSB proxy services.

• Java Embedding activity enables you to write Java code directly within the OSB pipeline.

• You can use Java classes, methods, and libraries in your code to perform desired operations.

• Passing input parameters and receiving output from Java code can be done using variab...read more
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An aptitude test is an assessment to measure a candidate mental aptitude/mental ability

Q1. Can you briefly Tell us about yourself?
Ans. 
I am a passionate software developer with 5 years of experience in web development and a strong background in computer science.
• 5 years of experience in web development

• Strong background in computer science

• Passionate about software development
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Q2. What do you consider to be your strongest points?
Ans. 
My strongest points include problem-solving skills, attention to detail, and ability to work well in a team.
• Strong problem-solving skills - I enjoy tackling complex issues and finding creative solutions.

• Attention to detail - I am meticulous in my work and strive for perfection in every task.

• Team player - I collaborate effectively with colleagues, communicate openly, and contribute positively to group projects.
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Q3. Which programming languages do you use regularly in your work
Ans. 
I regularly use Java, Python, and SQL in my work as a Software Developer.
• Java

• Python

• SQL
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A group discussion is a structured conversation in which participants share their ideas, perspectives, and solutions on a specific topic.

Q1. What motivates you to seek employment at Wipro?
Ans. 
I am motivated to seek employment at Wipro because of their reputation for innovation and opportunities for growth.
• Impressed by Wipro's track record of delivering cutting-edge solutions

• Excited about the chance to work with a diverse and talented team

• Eager to take advantage of Wipro's professional development programs
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Q2. What are your long-term career goals?
Ans. 
My long-term career goal is to become a lead software developer and eventually move into a management role.
• Advance to a lead software developer position

• Gain experience in managing a team of developers

• Develop strong leadership and communication skills

• Continue learning new technologies and staying updated with industry trends
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Assignment details refer to the specifics of an assignment, including any documents and/or emails or subsequent correspondence between the company and the client.

Q1. Tell me about yourself. Why do you want to work here? What are your strengths and weaknesses? Why did you leave your previous job (or why are you looking for a new one)? Where do you see yourself in 5 year...read more
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Q2. These questions help HR gauge how well you would fit into the company culture and how your experience aligns with the role. It's a good idea to prepare for them with specific examples from your past experi...read more
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Q3. What are your strengths and weaknesses?
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Q4. What motivates you to perform at your best?
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Any one tell in gd in 5 minutes in english

1. Numerical Reasoning
- Example: "If a car travels 60 km in 1 hour, how long will it take to travel 150 km at the same speed?"

2. **Verbal Reasoning**
- Example: "Which of the following words is most similar in meaning to 'elated'? (a) Sad (b) Happy (c) Angry (d) Tired"

3. **Logical Reasoning**
- Example: "If all cats are animals, and all animals are living beings, are all cats living beings? (True/False)"

4. **Data Interpretation**
- Example: "Given a graph showing sales data over the past 12 months, what was the highest monthly sales figure?"

5. **Pattern Recognition**
- Example: "What comes next in the series: 2, 4, 8, 16, __?"

6. **Mathematical Reasoning**
- Example: "If 3x + 4 = 19, what is the value of x?"

7. **Spatial Reasoning**
- Example: "Which shape is different from the others: Square, Circle, Triangle, Rectangle?"

8. **Time and Work Problems**
- Example: "If A can finish a task in 5 days and B can finish the same task in 10 days, how long will it take for both A and B to complete the task together?"

Tell me about yourself.
Why do you want to work here?
What are your strengths and weaknesses?
Why did you leave your previous job (or why are you looking for a new one)?
Where do you see yourself in 5 years?
Can you describe a time when you faced a challenge at work and how you handled it?
How do you prioritize your tasks?
What motivates you?
How do you handle working under pressure or tight deadlines?
What are your salary expectations?
How do you deal with conflict in the workplace?
Do you prefer working independently or as part of a team?
These questions help HR gauge how well you would fit into the company culture and how your experience aligns with the role. It's a good idea to prepare for them with specific examples from your past experie
The Aptitude test typically includes questions that assess your logical reasoning, problem-solving skills, and ability to think critically. It can cover a wide range of topics depending on the job you're applying for, but here are some common types of questions you might encounter:

Numerical Reasoning

Example: "If a car travels 60 km in 1 hour, how long will it take to travel 150 km at the same speed?"
Verbal Reasoning

Example: "Which of the following words is most similar in meaning to 'elated'? (a) Sad (b) Happy (c) Angry (d) Tired"
Logical Reasoning

Example: "If all cats are animals, and all animals are living beings, are all cats living beings? (True/False)"
Data Interpretation

Example: "Given a graph showing sales data over the past 12 months, what was the highest monthly sales figure?"
Pattern Recognition

Example: "What comes next in the series: 2, 4, 8, 16, __?"
Mathematical Reasoning

Example: "If 3x + 4 = 19, what is the value of x?"
Spatial Reasoning

Example: "Which shape is different from the others: Square, Circle, Triangle, Rectangle?"
Time and Work Problems

Example: "If A can finish a task in 5 days and B can finish the same task in 10 days, how long will it take for both A and B to complete the task together?"
To prepare, it's helpful to practice problems in these areas. Many online platforms offer free aptitude tests to help you improve your skills before the actual test.


Case study
In a case study interview, you'll be given a real-world business problem and asked to analyze the situation and come up with solutions or recommendations. The goal is to evaluate your problem-solving, analytical thinking, and decision-making abilities.

**Coding tests** are commonly used in technical interviews to evaluate your programming skills. These tests usually involve solving algorithmic problems, debugging code, or writing efficient code to handle certain tasks. Here are the general types of coding tests you might encounter:

### 1. **Algorithm and Data Structure Questions:**
These focus on your ability to use algorithms and data structures to solve problems efficiently.
- **Sorting and Searching**
Example: Implement a sorting algorithm like QuickSort or MergeSort, or write a binary search function.
- **Linked Lists**
Example: Reverse a linked list or detect a cycle in a linked list.
- **Trees and Graphs**
Example: Find the height of a binary tree, or perform a breadth-first search (BFS) or depth-first search (DFS) on a graph.
- **Dynamic Programming**
Example: Solve problems like the Fibonacci sequence, the knapsack problem, or longest common subsequence.
- **Recursion**
Example: Write a function that calculates factorials or solves the Towers of Hanoi problem.

### 2. **String Manipulation:**
These problems test your ability to handle and manipulate strings efficiently.
- Example: Write a function to check if a string is a palindrome, or find the longest substring without repeating characters.

### 3. **Mathematical Problems:**
These involve solving problems with mathematical concepts.
- Example: Check if a number is prime, or find the greatest common divisor (GCD) of two numbers.

### 4. **Array and Matrix Problems:**
These involve operations and algorithms on arrays or matrices.
- Example: Rotate a matrix, find the maximum sum subarray (Kadane’s algorithm), or merge two sorted arrays.

### 5. **Problem Solving with Constraints:**
In some cases, you may be given a problem where you need to optimize for time or space complexity.
- Example: Write an algorithm that finds the shortest path in a maze with obstacles, and ensure that it runs in O(n log n) time.

### 6. **Debugging:**
In some coding tests, you might be asked to debug a given piece of code that’s producing errors or incorrect output.

### 7. **Object-Oriented Design:**
These questions test your ability to design systems and classes using object-oriented principles.
- Example: Design a class to represent a library system, or implement a parking lot with multiple types of vehicles.

---

### Tips for Coding Tests:

1. **Understand the Problem:**
- Read the problem statement carefully before jumping into writing code.
- Clarify the input, output, and constraints with the interviewer (if needed).

2. **Plan Your Approach:**
- Before writing code, think about the algorithm you’ll use and the time/space complexity.
- Break down the problem into smaller steps and outline your solution.

3. **Write Clean, Efficient Code:**
- Focus on writing readable and efficient code.
- Optimize your solution to handle edge cases and large input sizes.

4. **Test Your Solution:**
- Test your code with sample inputs, including edge cases (empty input, large numbers, etc.).

5. **Communicate Your Thought Process:**
- As you write your code, explain your approach to the interviewer. This shows your problem-solving process.

### Example Coding Problem:

**Problem:**
Write a function to find the "Nth" Fibonacci number.

**Solution:**
```python
def fibonacci(n):
if n <= 1:
return n
a, b = 0, 1
for i in range(2, n+1):
a, b = b, a + b
return b
```

**Explanation:**
- The Fibonacci sequence starts with 0 and 1, and each subsequent number is the sum of the two preceding ones.
- We use an iterative approach to calculate the Fibonacci number at the nth position.

### Practice Platforms:
To prepare for coding tests, you can practice on the following platforms:
- **LeetCode**
- **HackerRank**
- **CodeSignal**
- **Codewars**
- **Exercism**

These platforms provide a wide variety of problems to improve your coding skills and familiarize yourself with common interview questions.

An **assignment** in the context of a job or academic setting is typically a task or project that you're asked to complete as part of your evaluation. The nature of the assignment will depend on the type of role or course you're involved with. Below are a few types of assignments you might encounter, along with how you can approach them:

### 1. **Technical Assignment (for a tech role)**
If you're applying for a technical position (like software engineering or data science), you might be given a coding or algorithm-based task. This could include:
- **Building a program or web app**: You might be asked to create a simple application, implement an algorithm, or design a feature based on the company’s needs.
- **Data Analysis**: Given a dataset, you may be required to clean, analyze, and extract insights from it using tools like Excel, SQL, Python, or R.
- **Problem-Solving Tasks**: Solve algorithmic problems or complete coding challenges (similar to those in a coding interview).

**Approach:**
- **Understand the requirements**: Read the assignment carefully, understand the scope, and ask any questions if something isn’t clear.
- **Plan your solution**: Break down the task into smaller steps. Plan your code, database queries, or analysis method.
- **Test thoroughly**: Ensure your code or solution works with a variety of inputs, including edge cases.
- **Document your work**: Include comments in your code, and provide a brief explanation of your approach and thought process.

---

### 2. **Business Assignment (for a business role)**
In a business-related position, the assignment could involve:
- **Case Studies**: You may be given a hypothetical business problem, like a company facing challenges in sales or operations. You'll need to analyze the issue, suggest solutions, and present them clearly.
- **Market Research**: Conduct research about an industry or competitors, analyze trends, and compile a report with insights and recommendations.
- **Business Strategy**: Devise a strategy to help a company grow, expand its market, or improve operations.

**Approach:**
- **Identify key issues**: Make sure to fully understand the business problem, and highlight any key challenges.
- **Gather data**: Use relevant data, facts, or market trends to support your arguments.
- **Develop a solution**: Propose actionable solutions with clear reasoning, potential risks, and benefits.
- **Present your findings**: Structure your report or presentation logically, and be ready to defend your solution.

---

### 3. **Design or Creative Assignment**
For roles in design (graphic design, UX/UI, etc.), the assignment may involve:
- **Creating visual designs**: You could be tasked with designing logos, web pages, or app interfaces.
- **Developing a brand concept**: Designing a complete branding package, such as a logo, color scheme, and typography.
- **Wireframing or Prototyping**: Designing a prototype for a mobile or web application.

**Approach:**
- **Understand the brand or problem**: Research the company or product and ensure your design aligns with its values, audience, and goals.
- **Sketch or wireframe first**: Create initial mock-ups or wireframes before jumping into the final design.
- **Seek feedback**: If possible, get feedback from others to improve your design.
- **Present your design**: Provide context on how your design decisions align with the brand or project goals.

---

### 4. **Writing Assignment**
In fields like marketing, journalism, or academia, writing assignments are common. These might include:
- **Content creation**: Write a blog post, article, or social media content.
- **Research paper or essay**: You may be asked to write a research paper, analysis, or essay on a particular topic.
- **Copywriting**: Write persuasive copy for advertisements, websites, or product descriptions.

**Approach:**
- **Research thoroughly**: Understand the topic you're writing about, and gather credible sources or data.
- **Create an outline**: Organize your thoughts logically before writing the full content.
- **Write and revise**: Draft the assignment, then revise it for clarity, conciseness, and flow.
- **Proofread**: Make sure your writing is free of grammar or spelling errors.

---

### General Tips for Completing an Assignment:

- **Time Management**: Plan your time carefully. Break down the assignment into smaller tasks and set deadlines for each task.
- **Quality over Quantity**: Focus on providing a well-thought-out solution rather than rushing to complete a lot of work.
- **Seek Feedback**: If you're unsure about your approach, don't hesitate to ask for feedback from colleagues, peers, or mentors.
- **Polish Your Presentation**: Whether it's a report, code, or design, make sure your final deliverable is polished and easy to understand.

---

Would you like more specific guidance on a particular type of assignment you're working on?

Q1. Introduced yourself?
Ans. 
I am a Senior Software Developer with 8 years of experience in full-stack development, specializing in Java and Angular.
• 8 years of experience in full-stack development

• Specialize in Java and Angular

• Strong problem-solving skills

• Experience with Agile methodologies

• Excellent communication and teamwork abilities
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Q2. What is the use of the yield() method in threading?
Ans. 
The yield() method in threading is used to give up the CPU and allow other threads to run.
• Allows other threads to run by giving up the CPU temporarily

• Useful for preventing one thread from dominating the CPU

• Can be used to implement cooperative multitasking
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Q3. What is hash collision and how it can be handled?
Ans. 
Hash collision occurs when two different inputs produce the same hash value. It can be handled by using techniques like chaining or open addressing.
• Hash collision is a common issue in hash tables where different keys produce the same hash value.

• One way to handle hash collisions is by using chaining, where each bucket in the hash table stores a linked list of key-value pairs with the same hash value.

• Another way to handl...read more
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Q4. What is use of Method reference instead lambada expressions in java 8?
Ans. 
Method references provide a more concise way to refer to methods by name instead of using lambda expressions.
• Method references can make code more readable and maintainable by reducing boilerplate code.

• They can be used to refer to static methods, instance methods, and constructors.

• Example: list.forEach(System.out::println) is equivalent to list.forEach(item -> System.out.println(item)).
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Q5. What is vertical and horizontal scaling in micro services?
Ans. 
Vertical scaling increases the capacity of a single server, while horizontal scaling adds more servers to distribute the load.
• Vertical scaling involves increasing the resources of a single server, such as CPU, RAM, or storage.

• Horizontal scaling involves adding more servers to distribute the load, often done through containerization or virtualization.

• Vertical scaling is limited by the capacity of a single server, while ...read more
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Q6. Write a java program to make upper case of first letter in the each word in the below String "i am a java programmer"?
Ans. 
Java program to capitalize first letter of each word in a given string
• Split the input string by space to get individual words

• Iterate through each word and capitalize the first letter

• Join the words back together to form the final capitalized string
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Q1. How the escalation matrix works in case of production defects?
Ans. 
Escalation matrix defines the process for escalating production defects based on severity and impact.
• Escalation matrix typically includes levels of escalation, responsible parties at each level, and criteria for escalating defects.

• For example, a Level 1 escalation may involve the development team, while a Level 2 escalation may involve senior management.

• Criteria for escalation may include severity of the defect, impact...read more
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Q2. What is your recent challenging task you have done in current project?
Ans. 
Implemented a real-time data synchronization feature between multiple servers.
• Designed a custom protocol for efficient data transfer

• Implemented server-side logic to handle data conflicts

• Utilized websockets for real-time communication
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Q3. Can you have ability to handle tasks individually?
Ans. 
Yes, I have the ability to handle tasks individually.
• I have a proven track record of successfully completing projects on my own.

• I am self-motivated and can prioritize tasks effectively.

• I have strong problem-solving skills which allow me to tackle challenges independently.
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Q4. Is it okay to give the Deliverables under pressure?
Ans. 
Yes, it is okay to give deliverables under pressure as long as quality is not compromised.
• Meeting deadlines is important in software development.

• Pressure can sometimes lead to increased focus and productivity.

• Communication with stakeholders about realistic timelines is key.

• Prioritizing tasks and managing time effectively can help in delivering under pressure.
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Q1. Introduce yourself?
Ans. 
I am a Senior Software Developer with 8 years of experience in developing web applications using various technologies.
• Experienced in full stack development

• Proficient in languages like Java, JavaScript, and Python

• Skilled in using frameworks like Spring, React, and Django

• Strong understanding of database management systems

• Familiar with Agile development methodologies
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Q2. Why your leaving current company?
Ans. 
Seeking new challenges and growth opportunities.
• Desire for career advancement

• Looking for new challenges

• Seeking better work-life balance

• Company restructuring or changes in management
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Q3. What is your current CTC and expected CTC?
Ans. 
My current CTC is $100,000 and my expected CTC is $120,000.
• Current CTC: $100,000

• Expected CTC: $120,000
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Q4. Do you have all the relevant documents of previous companies?
Ans. 
Yes, I have all relevant documents from previous companies.
• I have copies of offer letters, employment contracts, and performance reviews.

• I also have any relevant certifications or training records.

• I can provide references from previous employers if needed.
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Q1. Different types of streams based questions
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Q2. Collection , competable future, java 8 features
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Q1. Project based questions
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Q2. Scenario based question (multithreading and caching related scenarios were asked to me)
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Q3. One coding challenge
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Q1. Admin part and mainly LWC development
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Q2. Case study on devlopment part
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Q1. Last project details and more technical skills and real-time cases
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