10+ Coforge Test Engineer Interview Questions and Answers

The code initializes a new instance of the ChromeDriver class in Selenium WebDriver.

• WebDriver is an interface in Selenium that provides methods for browser automation

• ChromeDriver is a class that implements the WebDriver interface for Chrome browser

• The 'new' keyword creates a new instance of the ChromeDriver class

• The assignment 'driver = new ChromeDriver()' initializes the driver variable with the new instance

Authorization is the process of determining if a user has the permission to access a resource, while authentication is the process of verifying the identity of a user.

• Authorization determines what a user can do, while authentication verifies who the user is.

• Authentication can be done using passwords, biometrics, tokens, etc.

• Authorization can be role-based, attribute-based, or rule-based.

• Auth key is a unique identifier used for authentication purposes.

• Types of Auth keys includ...read more

Normalization is used in databases to reduce data redundancy and improve data integrity.

• Normalization helps in organizing data in a database by eliminating redundant data and ensuring data integrity.

• It reduces data redundancy by breaking down large tables into smaller ones and linking them using relationships.

• Types of joins include inner join, outer join, left join, and right join.

• DBMS stands for Database Management System, while RDBMS stands for Relational Database Managemen...read more

Given-When-Then is a testing methodology used in API testing to define the preconditions, actions, and expected outcomes of a test case.

• Given: Defines the preconditions or initial state of the system

• When: Defines the actions or events that occur in the system

• Then: Defines the expected outcomes or results of the actions taken

OOPs concept in automation refers to the use of object-oriented programming principles in designing and implementing automated tests.

• Encapsulation: grouping related data and functions into a single unit (class) to hide implementation details

• Inheritance: creating new classes from existing ones to reuse code and add new functionality

• Polymorphism: using a single interface to represent multiple types of objects

• Abstraction: focusing on essential features and ignoring implementatio...read more

POJO stands for Plain Old Java Object. It is a simple Java class that has private fields and public getters and setters.

• POJO is used to represent data in a structured format

• It is commonly used in API development to transfer data between client and server

• POJO classes do not have any business logic or annotations

• Example: Employee POJO class with private fields like name, age, and public getters and setters

• POJO classes are easy to read, write, and maintain

Jenkins is an open-source automation server that helps to automate the software development process.

• Jenkins is used for continuous integration and continuous delivery/deployment (CI/CD) pipelines.

• It can be used to build, test, and deploy software automatically.

• Jenkins supports a wide range of plugins and integrations with other tools.

• It provides a web-based interface for managing and monitoring the CI/CD pipelines.

• Jenkins can be configured to trigger builds automatically when...read more

Java program to reverse words in a given sentence.

• Split the sentence into words using split() method

• Reverse the array of words

• Join the reversed words back into a sentence

Web service is a type of API that is accessed over the web using HTTP, while API is a set of rules and protocols for building and interacting with software applications.

• Web service is accessed over the web using HTTP

• API is a set of rules and protocols for building and interacting with software applications

• Web service is a type of API

Identify duplicate words in a given sentence

• Split the sentence into individual words

• Create a hashmap to store word frequencies

• Iterate through the words and check if they already exist in the hashmap

• If a word is already in the hashmap, it is a duplicate

To reverse a string, iterate through the characters in the string and build a new string in reverse order.

• Iterate through the characters of the string from end to start

• Append each character to a new string to build the reversed string

• Return the reversed string as the result

The software development life cycle (SDLC) is a process used to design, develop, test, and deploy software applications.

• SDLC consists of several phases: requirements gathering, design, development, testing, deployment, and maintenance.

• Each phase has specific activities and deliverables.

• Requirements gathering involves understanding the needs of the stakeholders and documenting them.

• Design phase includes creating the architecture, database design, and user interface design.

• Deve...read more

List is an ordered collection of elements with duplicates allowed, while set is an unordered collection of unique elements.

• List maintains the order of elements, while set does not guarantee any specific order.

• List allows duplicate elements, while set does not allow duplicates.

• List is implemented using ArrayList, LinkedList, etc., while set is implemented using HashSet, TreeSet, etc.

OOPs (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.

• OOPs focuses on creating objects that interact with each other to solve a problem.

• It involves concepts like classes, objects, inheritance, polymorphism, and encapsulation.

• For example, a class 'Car' can have objects like 'BMW', 'Toyota', etc. with properties and methods specific to each object.

The product life cycle refers to the stages a product goes through from its introduction to its decline.

• Introduction stage: The product is launched and introduced to the market.

• Growth stage: The product gains popularity and sales increase.

• Maturity stage: Sales stabilize and the product reaches its peak.

• Decline stage: Sales decline as the product becomes outdated or replaced by newer alternatives.

• Examples: iPhone life cycle - introduction of new models, growth in sales, maturi...read more