Oracle Financial Services Software Consultant Interview Questions and Answers

SQL joins, bst, traversal

Q1. Project related questions
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Q2. Questions asked from resume
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Q1. ETL Questions were asked
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Q2. ETL tool(Abinitio) Questions
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Q1. How would you tell a complete Java beginner the difference between set, list and map?
Ans. 
Set is a collection of unique elements, List is an ordered collection of elements, and Map is a collection of key-value pairs.
• Set does not allow duplicates, e.g. a set of integers {1, 2, 3, 4, 5}

• List maintains the order of elements, e.g. a list of names ['John', 'Mary', 'Bob']

• Map stores key-value pairs, e.g. a map of phone numbers {'John': '123-456-7890', 'Mary': '987-654-3210'}
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Q2. How would you train a complete beginner in Java to write their first program?
Ans. 
To train a beginner in Java, start with basic concepts and gradually introduce programming concepts.
• Start with basic concepts like data types, variables, and operators

• Introduce control structures like if-else statements and loops

• Teach object-oriented programming concepts like classes and objects

• Encourage practice and experimentation with simple programs

• Provide resources like online tutorials and exercises

• Offer guidance...read more
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Q3. What is microservices advantages and basic architecture?
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Q4. Why is main method static? Can we write static public void main()?
Ans. 
Main method is static because it needs to be called without creating an instance of the class.
• Static methods can be called without creating an instance of the class

• Main method is the entry point of the program

• Main method must have a specific signature: public static void main(String[] args)

• args is an array of strings that can be used to pass command line arguments to the program
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Q5. Asked about current role and responsibilities.
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Q6. Basic cloud concepts like compute, load balancing, container orchestration and deploying on cloud.
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Q7. How would you develop a springboot application?
Ans. 
To develop a Spring Boot application, follow these steps:
• Create a new Spring Boot project using Spring Initializr

• Define the necessary dependencies in the pom.xml file

• Create the necessary Java classes and packages

• Define the application properties in the application.properties file

• Run the application using the Spring Boot Maven plugin or by running the main class

• Test the application using a web browser or a REST client
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Q8. What is the difference between JDK, JRE and JVM?
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Q9. Write a program to check if a number is prime or not.
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Q1. Why do you want to join us?
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Q2. Current roles and responsibilities.
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Q3. Asked if comfortable for location?
Ans. You should say yes to the offered location, but also mention your preferred one as well.
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