NeoSOFT Senior Software Engineer Interview Questions and Answers

To find the second highest value in an array of strings, convert to integers and sort or use a linear scan approach.

• Convert Strings to Integers: Use int.Parse() or int.TryParse() to convert string elements to integers for comparison.

• Sorting Method: Sort the array and select the second last element for the second highest value.

• Linear Scan Method: Iterate through the array, keeping track of the highest and second hi...read more

Abstract classes can have both abstract and concrete methods, while interfaces can only have abstract methods.

• Abstract classes can have state (fields), while interfaces cannot.

• A class can inherit from only one abstract class but can implement multiple interfaces.

• Abstract classes can provide default behavior, whereas interfaces cannot.

• Example: An abstract class 'Animal' can have a method 'makeSound()', while an int...read more

Retrieve the second highest salary for each department using SQL with a subquery or window functions.

• Using Subquery: SELECT department, MAX(salary) FROM employees WHERE salary < (SELECT MAX(salary) FROM employees WHERE department = e.department) GROUP BY department.

• Using Window Functions: SELECT department, salary FROM (SELECT department, salary, DENSE_RANK() OVER (PARTITION BY department ORDER BY salary DESC) ...read more

Promises in JavaScript are objects that represent the eventual completion or failure of an asynchronous operation.

• Promises are used to handle asynchronous operations such as fetching data from an API or reading a file.

• They provide a cleaner and more readable way to write asynchronous code compared to using callbacks.

• Promises have three states: pending, fulfilled, or rejected.

• They can be chained together using meth...read more

setTimeout() is a function in JavaScript that allows you to delay the execution of a function for a specified amount of time.

• setTimeout() takes two parameters: a function to be executed and a delay time in milliseconds

• The function passed to setTimeout() is executed once after the specified delay

• setTimeout() returns a unique identifier (timeout ID) that can be used to cancel the execution of the function using clea...read more

The question asks about using .every() and .includes() methods to check if each character of a string is present in another string.

• Loop through each element of the string

• Split the string into an array to access each character

• Use .every() method to check if each character is present in the user string

• Use .includes() method to check if the character is present

Scenario-based solution design involves identifying and addressing potential issues in a given situation.

• Identify the problem or challenge presented in the scenario

• Consider possible solutions and their potential outcomes

• Evaluate the feasibility and effectiveness of each solution

• Select the best solution and develop a plan for implementation

• Continuously monitor and adjust the solution as needed