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05 Jan, 2025
Android Interview Questions Cheat Sheet
The Application class in Android plays a crucial role in managing the global state of the application. It is a base class for maintaining global application state, and it is instantiated before any activity, service, or receiver in the application. The Application class is designed to provide a central location to initialize resources that need to persist throughout the app's lifecycle, such as singletons, global variables, or shared resources.
05 Jan, 2025
Data Analyst Interview Questions
Python 2 and Python 3 are two major versions of the Python programming language. Python 2 was released in 2000, while Python 3 was released in 2008, and it introduced several backward-incompatible changes. Python 2 reached its end of life on January 1, 2020, meaning it is no longer officially supported. Python 3, on the other hand, is the recommended version for new development
05 Jan, 2025
Data Scientist Python Interview Questions
In Python, when working with files, you need to specify the mode in which you want to open a file. The mode determines how you can interact with the file (whether you can read, write, append, etc.). These modes are specified as a string parameter in the open() function.
05 Jan, 2025
Java 8 Interview Questions and Answers
The final keyword in Java provides a way to define constants, enforce method behavior (prevent overriding), and prevent inheritance. It is a powerful tool for ensuring that certain aspects of your program remain immutable and fixed, which can help improve code reliability, security, and maintainability.
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