Capgemini Interview Questions, Process, and Tips for Experienced

Q1. SOLID principles, jetpack compose, scope functions
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Q1. How we can forecast numbers without sales history
Ans. 
Forecasting numbers without sales history requires alternative data sources and predictive modeling.
• Utilize market research and industry trends to estimate potential sales.

• Analyze customer demographics and behavior to make educated predictions.

• Use data from similar products or services to create a baseline forecast.

• Implement predictive modeling techniques such as regression analysis or machine learning algorithms.

• Consi...read more
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Q2. How many models are there in demand and forecast planning
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There are typically multiple models used in demand and forecast planning, such as statistical models, machine learning models, and simulation models.
• Statistical models

• Machine learning models

• Simulation models
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What all things I know about python ,and its working

Q1. Demand and forecast planning more and more scenarios
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Q2. Ongoing project on demand and forecast planning
Ans. 
Demand and forecast planning is an ongoing project that involves predicting future demand for products or services.
• Utilize historical data to analyze trends and patterns in demand

• Collaborate with sales and marketing teams to gather insights on upcoming promotions or campaigns

• Implement forecasting models such as time series analysis or machine learning algorithms

• Regularly review and adjust forecasts based on new informa
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Q1. Questions related to microservices
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Q2. How Springboot works internally
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Springboot is a framework that simplifies the development of Java applications by providing a set of tools and conventions.
• Springboot uses embedded servers like Tomcat or Jetty to run applications.

• It auto-configures many components based on dependencies added to the project.

• It uses annotations like @SpringBootApplication to define the main class of the application.

• Springboot uses Spring Framework's Inversion of Control...read more
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Q1. Questions related to Kafka
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Q2. SAGA Design pattern and how you can implement it
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SAGA design pattern is used for managing long-lived transactions in distributed systems.
• SAGA pattern breaks down a long transaction into a series of smaller, more manageable steps.

• Each step in the SAGA pattern is a separate transaction that can be rolled back if needed.

• SAGA pattern ensures that the overall transaction is eventually consistent.

• Examples of SAGA pattern implementation include using compensating transactio
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Q1. What is optional class
Ans. 
Optional class is a container object which may or may not contain a non-null value.
• Optional class was introduced in Java 8 to handle NullPointerExceptions.

• It is used to avoid null checks and make the code more readable.

• Methods like isPresent(), ifPresent(), orElse() are commonly used with Optional class.
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Q2. Multithreading vs multitasking
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Multithreading involves multiple threads within a single process, while multitasking involves running multiple processes simultaneously.
• Multithreading allows multiple threads to share the same memory space and resources, leading to more efficient resource utilization.

• Multitasking involves running multiple processes concurrently, each with its own memory space and resources.

• Example: A web server handling multiple client...read more
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Q3. Inner join query
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Q4. Cacheable interface
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Q5. Spring annotations
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Q6. Java 8 features
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Q1. Difference between equals and ==
Ans. 
Equals method compares the content of objects, while == compares the memory addresses of objects.
• Equals method is used to compare the content of objects, while == is used to compare the memory addresses of objects.

• Equals method is overridden in the Object class to provide a meaningful comparison for objects.

• Example: String str1 = new String("hello"); String str2 = new String("hello"); str1.equals(str2) will return true
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Q2. Characters finding using Stream Api
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Using Stream API to find characters in a string
• Use the chars() method to convert the string to an IntStream of characters

• Use filter() method to filter out specific characters

• Use collect() method to collect the characters into an array of strings
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Q1. Dockerfile,kubernetes,openshift
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Q2. Jenkins end to end pipeline, git questions
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Q1. What is devops in cloud
Ans. 
DevOps in cloud refers to the practice of using DevOps principles and practices in a cloud computing environment.
• Automating infrastructure provisioning and management

• Continuous integration and deployment

• Monitoring and logging in cloud environments

• Collaboration between development and operations teams

• Using tools like AWS, Azure, or Google Cloud Platform
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Q2. What is kubernetes
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Kubernetes is an open-source container orchestration platform for automating deployment, scaling, and management of containerized applications.
• Kubernetes helps in automating the deployment, scaling, and management of containerized applications.

• It provides features like automatic scaling, self-healing, load balancing, and rolling updates.

• Kubernetes uses declarative configuration to define the desired state of the applic...read more
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Q1. Salary expectation
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Q2. Why u left last company
Ans. 
Seeking new challenges and growth opportunities
• Desire for career advancement

• Limited opportunities for growth in previous role

• Looking for new challenges and experiences
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