TickerPlant Interview Questions and Answers

Q1. Explain Methods in java
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Q2. Explain oops in java
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Q1. What is MFC application?
Ans. 
MFC (Microsoft Foundation Class) application is a framework for building Windows-based applications using C++.
• MFC provides classes for GUI components like windows, controls, and dialogs.

• It simplifies the process of creating Windows applications by providing pre-built classes and functions.

• MFC applications are typically developed using Visual Studio.

• Examples of MFC applications include Microsoft Word and Visual Studio i...read more
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Q2. Difference between TCP and UDP
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Q3. What is mutex and atomic variable
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Mutex is a synchronization mechanism used to control access to shared resources, while atomic variables ensure atomicity in operations.
• Mutex is used to prevent multiple threads from accessing shared resources simultaneously

• Atomic variables ensure that operations on the variable are indivisible and not interrupted by other threads

• Mutexes are typically used in multithreaded programming to avoid race conditions

• Atomic vari...read more
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Q4. Do you have an experience in multithreading
Ans. 
Yes, I have experience in multithreading.
• Implemented multithreading in Java to improve performance of a web application

• Used pthreads in C to create parallel processing for a data processing application

• Utilized Python's threading module to handle concurrent tasks in a server application
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Q5. What is your skills set
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Coding snippets and object oriented concepts

Q1. What is oops concepts what is difference between get and post
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OOPs concepts refer to Object-Oriented Programming concepts like inheritance, encapsulation, polymorphism, and abstraction. GET and POST are HTTP methods used for sending data to a server.
• OOPs concepts include inheritance, encapsulation, polymorphism, and abstraction.

• Inheritance allows a class to inherit properties and behavior from another class.

• Encapsulation involves bundling data and methods that operate on the data...read more
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Q2. What is inheritance and polymorphism
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Inheritance is a mechanism in OOP where a class inherits properties and behaviors from another class. Polymorphism allows objects of different classes to be treated as objects of a common superclass.
• Inheritance allows a class to inherit attributes and methods from another class, promoting code reusability.

• Polymorphism allows objects of different classes to be treated as objects of a common superclass, enabling flexibil...read more
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Q3. What is annotations ,
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Annotations are metadata added to code to provide additional information or instructions.
• Annotations are used in Java to provide metadata about classes, methods, variables, etc.

• They can be used for documentation purposes, code analysis, or to generate code.

• Examples include @Override, @Deprecated, and @SuppressWarnings annotations.
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Q4. What is rest Controller
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A rest controller is a component in a web application that handles incoming HTTP requests and returns appropriate responses.
• Handles HTTP requests and maps them to appropriate handler methods

• Typically used in RESTful web services to implement CRUD operations

• Can be implemented using frameworks like Spring MVC in Java
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Q5. What is hash map?
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A hash map is a data structure that stores key-value pairs and allows for efficient retrieval of values based on their keys.
• Hash maps use a hash function to map keys to indexes in an array, where the corresponding values are stored.

• They offer constant-time average case complexity for inserting, deleting, and searching for elements.

• Examples of hash map implementations include HashMap in Java and unordered_map in C++.
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