N+A Software Engineer Interview Questions and Answers for Experienced

Q1. Explain Oops Concept
Ans. 
Oops concept is a programming paradigm that focuses on objects and classes to organize code and promote reusability.
• Oops stands for Object-Oriented Programming

• Key concepts include classes, objects, inheritance, polymorphism, and encapsulation

• Classes are blueprints for objects, defining their properties and behaviors

• Objects are instances of classes, representing real-world entities

• Inheritance allows classes to inherit p...read more
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Q2. Explain SOLID Principles
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SOLID principles are a set of five design principles in object-oriented programming to make software designs more understandable, flexible, and maintainable.
• S - Single Responsibility Principle: A class should have only one reason to change.

• O - Open/Closed Principle: Software entities should be open for extension but closed for modification.

• L - Liskov Substitution Principle: Objects of a superclass should be replaceable...read more
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Q3. Explain auto layout
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Auto layout is a constraint-based layout system used in iOS and macOS development to create user interfaces that adapt to different screen sizes and orientations.
• Auto layout allows developers to create flexible and adaptive user interfaces by defining relationships between UI elements.

• Constraints are used to specify the position and size of UI elements relative to each other or to the parent view.

• Auto layout automatica...read more
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Q4. Explain Content hugging
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Content hugging is a constraint used in Auto Layout to determine how much a view resists growing beyond its intrinsic content size.
• Content hugging priority is a value between 1 and 1000, with higher values indicating a stronger resistance to growing.

• Views with higher content hugging priorities will try to maintain their intrinsic content size rather than expand to fill available space.

• Content hugging is often used in c...read more
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Q5. Explain retain cycle
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Retain cycle occurs when two objects hold a strong reference to each other, preventing them from being deallocated.
• Occurs in iOS development when two objects have strong references to each other

• Can lead to memory leaks as the objects are never deallocated

• Prevented by using weak or unowned references in Swift
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Q1. Sql based questions, oops concepts, project related questions
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Q2. Recursion, Python, MVC, AWS services
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Basic program with stream

Q1. Microservice architecture
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Q2. Crud operations
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It'll have 3 medium level questions

Q1. Two pointers and simply array related questions
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Q2. Sorting Algorithm
Ans. 
Sorting Algorithm is a method to arrange elements in a specific order.
• Sorting algorithms can be categorized as comparison-based or non-comparison-based.

• Examples of sorting algorithms include Bubble Sort, Merge Sort, and Quick Sort.

• Efficiency of sorting algorithms is measured in terms of time complexity and space complexity.
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Q1. 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 allows for easy scaling of applications by adding or removing containers based on demand.

• Kubernetes provides features like load balancing, self-healing, and rolling updates fo...read more
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Q2. Jenkins Security
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Q1. Kubernetes architecture and its components
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Kubernetes is an open-source container orchestration platform that automates the deployment, scaling, and management of containerized applications.
• Kubernetes architecture consists of a master node and multiple worker nodes.

• Master node components include API server, scheduler, controller manager, and etcd.

• Worker node components include kubelet, kube-proxy, and container runtime (e.g. Docker).

• Kubernetes uses Pods as the ...read more
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Q1. Basic question on angular and .NET
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