Cognizant Software Developer Trainee Interview Questions and Answers

Factorial can be calculated using a loop by multiplying numbers from 1 to n.

• Initialize a variable to 1

• Use a loop to multiply the variable with numbers from 1 to n

• Return the variable

Method overloading is a feature in OOP where multiple methods can have the same name but different parameters.

• Method overloading is used to improve code readability and reusability.

• The methods must have different parameters, either in number or type.

• Example: void print(int num), void print(String str), void print(int num1, int num2)

• Method overloading is resolved at compile-time based on the number and type of arguments

A class is a blueprint for creating objects that have similar attributes and behaviors.

• A class is a user-defined data type that encapsulates data and functions.

• It provides a way to organize and structure code.

• Objects are instances of a class.

• Classes can inherit properties and methods from other classes.

• Examples of classes in programming languages include String, Integer, and List.

Answering questions related to software development and Salesforce administration.

• Process Builder is a visual tool in Salesforce used to automate business processes.

• Types of relationships in Salesforce include lookup, master-detail, and many-to-many relationships.

• User represents an individual who can log in and access Salesforce, Profile defines the permissions and settings for a user, and Role determines the hierarchy...read more

I have configured various software systems and tools for development purposes.

• Configured IDEs such as Eclipse and Visual Studio for development

• Set up version control systems like Git and SVN

• Installed and configured build tools like Maven and Gradle

• Configured application servers like Tomcat and JBoss

• Set up databases like MySQL and Oracle for development and testing