Foxconn Interview Questions and Answers

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

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 into a single unit.

• Polymorphism allows objects to be trea...read more

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 variables are often used for simple operations like incrementi...read more

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 itself.

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 establishing a connection.

• UDP is unreliable, as it does not guarante...read more

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 flexibility and extensibility.

• Example of inheritance: class Dog ex...read more

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.

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