Calsoft Interview Questions, Process, and Tips

Find the 2nd maximum number from a list.

• Sort the list in descending order and return the second element.

• Use a loop to iterate through the list and keep track of the two largest numbers.

• Convert the list to a set to remove duplicates, then find the second largest number.

Python program to find the largest number from a list of numbers in string format.

• Convert the list of strings to a list of integers

• Sort the list in descending order

• Join the sorted list of integers into a single string

Definition of struct, interface, method, and function.

• Struct is a composite data type that groups together zero or more values with different types.

• Interface is a collection of method signatures that a type can implement.

• Method is a function that has a receiver argument.

• Function is a block of code that performs a specific task and can be called from other parts of the program.

Implementing an interface with methods in Go

• Define an interface with method signatures

• Create a struct that implements the interface methods

• Use the 'implements' keyword to associate the struct with the interface

• Call the interface methods on the struct instance

To create a package, define a new directory and add a file with package name and functions. My project is a web scraper.

• Create a new directory with package name

• Add a file with package name and functions

• Import the package in main program

• Use the functions in the package

• Example: package name - scraper, functions - scrapeWebsite(url string) string

• Example usage: import 'scraper', scraper.scrapeWebsite('https://example.com')

Arrays have fixed size while slices are dynamic. Slices are references to arrays.

• Arrays are declared with a fixed size while slices are declared without a size.

• Slices are references to arrays and can be resized dynamically.

• Arrays are passed by value while slices are passed by reference.

• Slices have built-in functions like append() and copy() for manipulation.

• Example: var arr [3]int = [3]int{1, 2, 3} and var sli []int =

Go is a statically typed, compiled language with a focus on concurrency and simplicity.

• Go has a simpler syntax compared to other languages like Java or C++

• Go has built-in concurrency support with goroutines and channels

• Go has a garbage collector that automatically manages memory

• Go compiles to machine code, making it faster than interpreted languages like Python

• Go has a standard library that includes many useful package