Chetu Software Engineer Interview Questions and Answers for Freshers

JavaScript anonymous functions in jQuery are used to create functions without a name, while JavaScript functions are named functions.

• JavaScript functions are named and can be reused multiple times.

• jQuery anonymous functions are used for event handling and callbacks.

• JavaScript functions can be defined using the function keyword, while jQuery anonymous functions are created using the $ symbol.

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.

Reverse a string in C# without using built-in features

• Create a character array from the input string

• Use two pointers to swap characters at the beginning and end of the array

• Continue swapping until the pointers meet in the middle

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 elements

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 methods.

• For example, a class 'Animal' can be a parent class, an...read more

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 used to handle multiple API calls and dispatch actions based ...read more

Constructor type casting involves converting one data type to another in a constructor.

• Constructor type casting is used to convert one data type to another in a constructor.

• It can be done implicitly or explicitly depending on the languages.

• For example, in Java, you can explicitly cast a data type in a constructor like this: int num = (int) doubleNum;