Object Technology Solutions Java Developer Interview Questions and Answers

Q1. What are the design patterns in c#
Ans. 
Design patterns in C# are reusable solutions to common problems in software design.
• Some common design patterns in C# include Singleton, Factory, Observer, and Strategy.

• Singleton pattern ensures a class has only one instance and provides a global point of access to it.

• Factory pattern creates objects without specifying the exact class of object that will be created.

• Observer pattern defines a one-to-many dependency betwee...read more
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Q1. Solid Principle, Design Patterns,
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Q2. React sharing data btw siblings without any state management.
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Q3. NodeJs is single threaded then why it feels concurrent?
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Q1. Questions related micro services
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Q2. Message queue related questions
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Q3. NodeJs related questions: Event loop
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Q1. Basic question on dot net and sql server
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Q1. Bit twisted and elaborative discussion on various technical spheres.
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C,c++,java ,SQL, javascript and python

Q1. Types of Polymorphism
Ans. 
Polymorphism in programming refers to the ability of a single function or method to operate on different data types.
• There are two main types of polymorphism: compile-time (static) polymorphism and run-time (dynamic) polymorphism.

• Compile-time polymorphism is achieved through function overloading and operator overloading.

• Run-time polymorphism is achieved through inheritance and virtual functions.

• Example of compile-time p...read more
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Q1. What is use of ng-content ?.
Ans. 
ng-content is used in Angular to project content into a component's template.
• ng-content is used to pass content into a component from the outside.

• It allows for dynamic content insertion within a component's template.

• ng-content is often used in combination with ng-template and ng-container.

• It is commonly used for creating reusable components with varying content.
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Q1. Project based backend and frontend
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Q2. How to connect to backend
Ans. 
To connect to the backend, you can use APIs, database connections, or web services.
• Use APIs to send and receive data between the frontend and backend

• Establish database connections to retrieve and store data

• Utilize web services for communication between different systems
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Online Test where there is total 8 question from which 2 is program and 6 is MCQ.

Q1. Technical Interview. Asked about tell me about yourself, biggest problem faced you have faced in your career. Basic Python, OOPS concepts, Sql query, Django Questions, One online program
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Q1. One to One Round with CTO.
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