Qa Automation Manager Interview Questions and Answers

Final keyword is used to restrict modification of a variable, method or class.

• Final variables cannot be reassigned once initialized

• Final methods cannot be overridden by subclasses

• Final classes cannot be extended by other classes

• Final keyword is often used to define constants

• Example: final int MAX_VALUE = 100;

Static keyword is used to declare a variable or method that belongs to the class rather than an instance of the class.

• Static variables are shared among all instances of a class

• Static methods can be called without creating an instance of the class

• Static blocks are used to initialize static variables

• Static keyword can also be used to create nested classes

Dynamic element handling involves identifying and interacting with elements on a web page that change based on user actions or other factors.

• Use wait strategies like implicit, explicit, or fluent waits to handle dynamic elements

• Utilize techniques like XPath, CSS selectors, or unique attributes to locate dynamic elements

• Consider using frameworks like Selenium or Protractor for dynamic element handling

Finding duplicate characters in a string

• Iterate through the string and store each character in a hashmap with its count

• Check the hashmap for characters with count greater than 1 to find duplicates

XPath is a language used for locating elements on a web page in Selenium automation testing.

• XPath stands for XML Path Language.

• It is used to navigate through elements and attributes in an XML or HTML document.

• XPath expressions can be used to select nodes, attributes, or text on a web page.

• Example: //input[@id='username'] selects the input element with id 'username'.