Interview Questions and Answers

In Selenium, waits are used to make the automation scripts wait for a certain amount of time before executing the next step.

• Implicit Wait: Waits for a certain amount of time before throwing a NoSuchElementException.

• Explicit Wait: Waits for a certain condition to occur before proceeding further.

• Fluent Wait: Waits for a condition to be true with a specified polling frequency.

• Thread.sleep(): Pauses the execution for a specified amount of time.

I am a Senior Test Engineer with expertise in SQL. There are different types of joins in SQL, including Left Join.

• Types of joins in SQL include Inner Join, Left Join, Right Join, and Full Join

• Left Join returns all rows from the left table and the matched rows from the right table

• Example: SELECT * FROM table1 LEFT JOIN table2 ON table1.id = table2.id

Oops concepts in Java are the principles of Object Oriented Programming such as Inheritance, Polymorphism, Encapsulation, and Abstraction.

• Inheritance: Allows a class to inherit properties and behavior from another class.

• Polymorphism: Allows objects to be treated as instances of their parent class.

• Encapsulation: Hides the internal state of an object and only exposes necessary functionality.

• Abstraction: Shows only essential attributes and methods while hiding unnecessary detail...read more

Program to duplicate elements in array of strings

• Iterate through the array and check for duplicate elements

• Store duplicate elements in a separate array

• Return the array of duplicate elements

Reverse the 2nd word of a string

• Split the string into an array of words

• Reverse the 2nd word in the array

• Join the array back into a string

Code to find occurrences of characters in a string using an array of strings.

• Iterate through each character in the string

• Use a hashmap to store the count of each character

• Convert the hashmap to an array of strings for output

Glue in Cucumber BDD is a way to connect the steps defined in feature files with the corresponding step definitions in the automation code.

• Glue code in Cucumber BDD is used to map the steps in feature files to the step definitions in the automation code.

• It helps in executing the automation code based on the scenarios defined in feature files.

• Glue code is written in the programming language used for automation, such as Java, Ruby, or JavaScript.

Traceability matrix is a document that links requirements to test cases to ensure all requirements are covered by tests.

• Traceability matrix helps ensure that all requirements are covered by test cases

• It provides a way to track the progress of testing against requirements

• It helps in identifying any gaps in test coverage

• It can be used to determine the impact of changes on test cases and requirements

• Example: Requirement R1 is linked to Test Case T1 in the traceability matrix