Union Bank of India Senior Software Engineer Interview Questions and Answers

Duration : 1 hours
Question type : Greedy algo question(DSA)
Platform : of any choice

Q1. LLDs Designing on any system
Ans. 
LLDs are detailed design documents that describe the software architecture of a system.
• LLDs typically include detailed information on modules, components, interfaces, and data for a system.

• They help in understanding how different parts of the system interact and communicate with each other.

• Examples of LLDs include class diagrams, sequence diagrams, and data flow diagrams.

• LLDs are crucial for developers to implement the
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Q1. Coding plus behavioral plus LLD
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Q1. Hardware issues
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Q2. Networking issues
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Q1. Self introduction
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Q2. How do expect for your salary
Ans. 
I am looking for a competitive salary that reflects my experience and skills in the industry.
• Research industry standards for System Engineers in the specific location

• Consider years of experience and level of expertise

• Factor in benefits and perks offered by the company

• Be prepared to negotiate based on the overall compensation package
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Q1. Design patterns that you have followed in your past projects.
Ans. 
I have followed the MVC, Singleton, and Factory design patterns in my past projects.
• MVC pattern for separating concerns and improving maintainability

• Singleton pattern for ensuring only one instance of a class is created

• Factory pattern for creating objects without exposing the instantiation logic
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Q2. How to secure the applications?
Ans. 
Applications can be secured by implementing various security measures such as authentication, authorization, encryption, and regular updates.
• Implement strong authentication mechanisms such as multi-factor authentication

• Use authorization to restrict access to sensitive data and functionalities

• Encrypt sensitive data both in transit and at rest

• Regularly update the application and its dependencies to patch security vulnera...read more
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Behavioural and culture fit

Ms office,Core Java , Tally , C,

In my Opinion,view , If you ask me, As far as I can see/I am Concerned , It seems to me that , I think /feel/reckon/ belive , If you want my option , What we have to decide

Q1. What is Overlaoding and overriding?
Ans. 
Overloading is having multiple methods in the same class with the same name but different parameters. Overriding is implementing a method in a subclass that is already defined in the superclass.
• Overloading allows multiple methods with the same name but different parameters in the same class.

• Overriding involves implementing a method in a subclass that is already defined in the superclass.

• Overloading is resolved at compi
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Q2. What are the Java features?
Ans. 
Java features include object-oriented programming, platform independence, automatic memory management, and multithreading.
• Object-oriented programming: Java supports classes and objects, allowing for modular and reusable code.

• Platform independence: Java programs can run on any platform with the Java Virtual Machine (JVM).

• Automatic memory management: Java uses garbage collection to automatically manage memory allocation ...read more
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Q3. What is abstrack class?
Ans. 
Abstract class is a class that cannot be instantiated and may contain abstract methods.
• Cannot be instantiated directly

• May contain abstract methods that must be implemented by subclasses

• Used to define a common interface for subclasses
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