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I applied via Naukri.com and was interviewed before Jan 2021. There were 4 interview rounds.
Static keyword is used to create class-level variables and methods that can be accessed without creating an instance of the class.
Static variables and methods belong to the class, not the instance
Static variables are initialized only once, at the start of the program
Static methods can be called without creating an instance of the class
Static methods cannot access non-static variables or methods
I applied via Naukri.com and was interviewed in Jun 2020. There were 4 interview rounds.
I applied via Company Website and was interviewed before May 2018. There were 3 interview rounds.
I applied via Naukri.com and was interviewed before Jul 2019. There were 4 interview rounds.
React has three main phases in its lifecycle: mounting, updating, and unmounting.
Mounting: when a component is created and inserted into the DOM
Updating: when a component is updated due to changes in props or state
Unmounting: when a component is removed from the DOM
Lifecycle methods can be used to perform actions at each phase, such as componentDidMount() or componentWillUnmount()
React also has error handling methods,
Strict mode is a way to write secure and optimized JavaScript code.
Enables catching of silent errors
Disallows duplicate property names or parameters
Prevents use of undeclared variables
Makes `eval()` safer to use
Throws errors on invalid usage of `this` keyword
CURD operations along with implementation of a mock UI
OOPs concepts are fundamental principles in object-oriented programming, including inheritance, encapsulation, polymorphism, and abstraction.
Inheritance: Allows a class to inherit properties and behavior from another class.
Encapsulation: Bundling data and methods that operate on the data into a single unit.
Polymorphism: Ability to present the same interface for different data types.
Abstraction: Hiding the complex imple...
I applied via Naukri.com and was interviewed before Jan 2024. There was 1 interview round.
I appeared for an interview in Jul 2024.
Create an API using Notepad to check if a string is a palindrome or not.
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