Fujitsu Interview Questions, Process, and Tips for Experienced

String manipulation and Stream API.

Q1. Try with resources
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Q2. Solid principles
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Q3. Microservices
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Q4. Kafka
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Q5. Spring security
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Q1. Salary discussion
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Q2. Location discussion
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Q1. Basic questions on Asp.net.
Ans. Just google interview questions for Asp.net and prepare from there
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Q1. Again there was basic questions on asp.net
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Q2. Management questions were also there. 1. If there is escalation from client how will you handle it.
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Q1. This was just a discussion round with HR where you can discuss about salary, company policies etc
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Discussion about last work and future challange

Q1. About Salary structure etc.
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Q2. Expectations of designee
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The designee is expected to meet billing targets, ensure accurate invoicing, resolve billing discrepancies, and maintain good relationships with clients.
• Meet billing targets set by the company

• Ensure accurate and timely invoicing

• Resolve any billing discrepancies or issues

• Maintain good relationships with clients to ensure prompt payment

• Stay updated on billing regulations and procedures
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Q1. Explain final, finally and finalize in Java? Where do we use final? Is String class final? In what scenario does finally not get executed?
Ans. 
Explanation of final, finally and finalize in Java with examples
• final is a keyword used to declare a constant value or to prevent method overriding or class inheritance

• finally is a block of code that executes after try-catch block, regardless of exception occurrence

• finalize is a method that gets called by garbage collector before destroying an object

• final is used for declaring constant values, method parameters, and lo...read more
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Q2. What are the different layers of Springboot application? What are the webservers that comes with Springboot? What is the default webserver? How to change the default webserver? What are the different ways...read more
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The different layers of Springboot application, webservers that come with Springboot, default webserver, changing default webserver, and configuring port on spring-boot.
• The different layers of Springboot application are presentation layer, service layer, business layer, and data access layer.

• The webservers that come with Springboot are Tomcat, Jetty, and Undertow.

• The default webserver is Tomcat.

• To change the default we...read more
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Q3. What are the different types of references in Java? When do we use them?
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Java has four types of references: strong, weak, soft, and phantom.
• Strong references are the default and are used to refer to objects that are still in use.

• Weak references are used to refer to objects that can be garbage collected when there are no strong references to them.

• Soft references are used to refer to objects that should be garbage collected only when memory is low.

• Phantom references are used to track when an ...read more
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Q4. Kubernetes, What are the different fields used in a deployment file for creating pod? What are the different ways of pulling images? Explain QoS for pods
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Answering questions related to Kubernetes deployment file, image pulling, and QoS for pods.
• Fields in deployment file: apiVersion, kind, metadata, spec (replicas, selector, template)

• Ways of pulling images: using imagePullPolicy (Always, IfNotPresent, Never), specifying image name and tag

• QoS for pods: Guaranteed (requests and limits specified), Burstable (only requests specified), BestEffort (no requests or limits specif
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Q5. Kafka, How does kafka work? What are the commands you execute to debug if the messages are not received?
Ans. 
Kafka is a distributed streaming platform that allows publishing and subscribing to streams of records.
• Kafka works by having producers publish messages to topics, which are then stored in partitions on brokers.

• Consumers subscribe to topics and read messages from partitions.

• To debug if messages are not received, use the command-line tool kafka-console-consumer to check if messages are being produced and consumed.

• Also ch...read more
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Q6. Do you know java reflection? Can you write a program to explain reflection concepts?
Ans. 
Yes, reflection is a feature in Java that allows inspecting and modifying runtime behavior of a program.
• Reflection allows accessing and modifying fields, methods, and constructors of a class at runtime.

• It is useful for creating generic code, debugging, and testing.

• Example: getting the class name of an object using getClass() method.

• Example: accessing private fields of a class using reflection.

• Example: creating an insta
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Q7. What is Inversion of Control? In springboot, how is a bean created, injected and resolved?
Ans. 
Inversion of Control is a design pattern where control is inverted from the application to a framework.
• In Springboot, a bean is created by annotating a class with @Component or its specialized annotations like @Service, @Repository, etc.

• Beans are injected using @Autowired annotation or constructor injection.

• Bean resolution is done by the Spring container which maintains a registry of all beans and their dependencies.

• In...read more
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Q1. When do we use inner class? What is the use case of static and non-static inner classes?
Ans. 
Inner classes are used for encapsulation and code organization. Static inner classes are used for utility classes.
• Inner classes are used to group related classes together and improve encapsulation.

• Non-static inner classes have access to the outer class's fields and methods.

• Static inner classes are used for utility classes that don't need access to the outer class's fields and methods.

• Inner classes can also be used for
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Q2. Implement an Iterator for a custom object.
Ans. 
Implementing an iterator for a custom object
• Create a custom class and implement the Iterable interface

• Override the iterator() method to return a custom Iterator object

• Implement the hasNext() and next() methods in the Iterator class

• Use the for-each loop to iterate through the custom object
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Q3. Springboot, write a controller class for REST APIs.
Ans. 
A controller class in Springboot is used to handle REST API requests and responses.
• Annotate the class with @RestController

• Define methods for each API endpoint with @RequestMapping annotation

• Use appropriate HTTP methods like GET, POST, PUT, DELETE

• Inject dependencies using @Autowired annotation

• Return response using ResponseEntity class
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Q4. Kubernetes, When do we use statefulset? How is the storage mapping done in a statefulset?
Ans. 
StatefulSets are used for stateful applications that require stable network identities and persistent storage.
• StatefulSets are used for applications that require ordered deployment, scaling, and termination.

• They provide stable network identities and persistent storage for each pod in the set.

• Storage mapping is done using PersistentVolumeClaims (PVCs) which are bound to PersistentVolumes (PVs).

• Each pod in the StatefulSe...read more
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Q5. Java 8, Using streams search for a given string in a list of Strings.
Ans. 
Using Java 8 streams, search for a given string in a list of Strings.
• Create a stream from the list of Strings

• Use the filter() method to filter out the Strings that do not contain the given string

• Collect the filtered Strings into a new list using the collect() method
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Q1. EWM Outbound Process EWM Inbound Process
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Q1. S4HANA expertise Project management skill
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Q1. Many questions most of were related my technology..
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Q1. Managerial questions
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Q1. Managerial round again for some conf.
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Q1. Managerial by different manager, they were not sure may be
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Q1. Nothing great.. Mostly salary related
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