TickerPlant Interview Questions, Process, and Tips

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
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Q2. Difference between TCP and UDP
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TCP is connection-oriented, reliable, and slower, while UDP is connectionless, unreliable, and faster.
• TCP is connection-oriented, meaning a connection is established before data transfer.

• TCP is reliable, as it ensures all data packets are received in order and without errors.

• TCP is slower than UDP due to the overhead of error-checking and retransmission.

• UDP is connectionless, meaning data can be sent without establishi...read more
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Q3. What is mutex and atomic variable
Ans. 
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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Q1. Explain Methods in java
Ans. 
Methods in Java are blocks of code that perform a specific task. They are defined within a class and can be called to execute the code.
• Methods are defined using the 'method' keyword followed by the return type, method name, and parameters.

• Methods can have access modifiers like public, private, protected, or default.

• Methods can return a value using the 'return' keyword.

• Methods can be called by using the method name foll...read more
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Q2. Explain oops in java
Ans. 
OOPs in Java stands for Object-Oriented Programming, a programming paradigm based on the concept of objects.
• OOPs in Java involves the use of classes and objects to organize code and data.

• It includes concepts like 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 d...read more
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Coding snippets and object oriented concepts

Q1. What is oops concepts what is difference between get and post
Ans. 
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
Ans. 
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 ,
Ans. 
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
Ans. 
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?
Ans. 
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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