FIS Senior Software Developer Interview Questions and Answers

Q1. What is dependancy Injection?
Ans. 
Dependency Injection is a design pattern where the dependencies of a class are provided from the outside rather than created within the class itself.
• Allows for easier testing by providing mock dependencies

• Promotes loose coupling between classes

• Improves code reusability and maintainability

• Commonly implemented using frameworks like Spring in Java
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Q2. How We maintain security in Application?
Ans. 
Maintaining security in applications involves implementing encryption, authentication, authorization, and regular security audits.
• Implement encryption to protect data in transit and at rest

• Use strong authentication mechanisms like multi-factor authentication

• Implement proper authorization controls to restrict access to sensitive data

• Regularly conduct security audits and penetration testing to identify vulnerabilities
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Project based schenario development

Q1. Java 8 interview questions Spring boot Microservices GIT and Maven REST
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Q1. Experience Journey CTC discussion
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Q1. Python Basic questions
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Q2. Diffrence Between tuple and list
Ans. 
Tuple is immutable and fixed in size, while list is mutable and can change in size.
• Tuple is defined using parentheses, while list is defined using square brackets.

• Tuple elements can be accessed using index, while list elements can be modified using index.

• Tuple is faster than list for iteration and accessing elements.

• Example: tuple = (1, 2, 3), list = [1, 2, 3]
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Q1. Python Basic with some puzzles
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Q1. 1. SOLID Principals 2. Design Patterns 3. Oops concepts 4. WPF Interview questions.
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Q1. 1. Domain related questions 2. Managerial Round and Director round.
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