Servicenow Developer Interview Questions and Answers for Freshers

Program to print a pattern using stars in Python

• Use nested loops to print the desired pattern

• Increment the number of stars in each row to create the pattern

• Example: Printing a pyramid pattern with stars

UI policy and client script are both used in ServiceNow for controlling field behavior and data on forms.

• UI policy is used to dynamically change field properties, visibility, and mandatory status based on certain conditions.

• Client script is used to add custom logic and behavior to forms, such as field validation, calculations, and UI interactions.

• UI policy is executed on the server side, while client script is executed on the client side.

• UI policy is defined using a simple dr...read more

Use indexed for loop instead of for each loop to reduce time complexity.

• Indexed for loop has a constant time complexity of O(1) whereas for each loop has a time complexity of O(n).

• Indexed for loop is faster when accessing elements in an array.

• Example: for (int i = 0; i < array.length; i++) { //access array[i] }

• Example: for (String str : stringArray) { //access str }

Cloud computing involves storing and accessing data and programs over the internet instead of on a computer's hard drive.

• Cloud computing allows users to access data and applications from any device with an internet connection.

• It provides scalability, flexibility, and cost-efficiency for businesses.

• Examples of cloud services include Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform.

There are two types of sorting - ascending and descending. There are various types of searching like linear search, binary search, etc.

• Sorting: Ascending, Descending

• Searching: Linear search, Binary search, Hashing, etc.

SaaS stands for Software as a Service, a cloud-based software delivery model where applications are hosted by a third-party provider and accessed over the internet.

• SaaS allows users to access software applications via the internet without the need for installation or maintenance.

• Users typically pay a subscription fee to use SaaS applications, which are centrally hosted and managed by the provider.

• Examples of SaaS include Salesforce, Microsoft Office 365, and Google Workspace.

SQL query to retrieve all employees from a table

• Use SELECT statement to retrieve data

• Specify the columns to be selected

• Specify the table name where the data is stored