Chetu Interview Questions, Process, and Tips

Inheritance is a mechanism in object-oriented programming where a new class is created by inheriting properties of an existing class.

• Inheritance allows code reusability and promotes code organization.

• The existing class is called the parent or superclass, and the new class is called the child or subclass.

• The child class inherits all the properties and methods of the parent class and can also add new properties and metho...read more

The question is unclear and lacks context.

• Please provide more information or rephrase the question.

• Without context, it is difficult to understand what is being asked.

• It is important to communicate clearly in technical interviews.

Routing is used to direct network traffic efficiently and securely.

• Routing helps to find the best path for data packets to travel.

• It enables load balancing and fault tolerance.

• Routing protocols like OSPF, BGP, and EIGRP are used to manage routing tables.

• Routing can be static or dynamic depending on the network requirements.

Thunk and saga are middleware libraries used in Redux for handling asynchronous actions.

• Thunk is a function that wraps an expression to delay its evaluation.

• Saga is a generator function that allows for complex control flow and error handling.

• Thunk is simpler and easier to use, while Saga is more powerful and flexible.

• Example: Thunk can be used to dispatch an action after an API call is complete.

• Example: Saga can be use...read more

Life cycle methods are functions that are called at different stages of a component's life cycle in React.

• There are three categories of life cycle methods: mounting, updating, and unmounting.

• Mounting methods are called when a component is being created and inserted into the DOM.

• Updating methods are called when a component's state or props change.

• Unmounting methods are called when a component is being removed from the D...read more

foreach is used to iterate over an array and perform an action on each element, while map creates a new array by applying a function to each element of an existing array.

• foreach does not return a new array, while map does

• foreach can only perform an action on each element, while map can transform each element

• foreach is useful for performing side effects, while map is useful for creating a new array with transformed elem