Apexon Sdet Automation Test Engineer Interview Questions and Answers

Method overloading allows multiple methods with the same name but different parameters in a class.

• Method overloading in our framework allows us to create multiple methods with the same name but different parameters.

• For example, we can have a method 'calculate' that can take different types of parameters like int, double, or string.

• This helps in improving code readability and reusability.

• Method overloading is resolved a...read more

Reverse a string input without using any inbuilt method in Java

• Create a char array from the input string

• Use two pointers to swap characters from start and end of the array

• Continue swapping until the pointers meet in the middle

Selenium waits are used to make the test scripts wait for a certain condition to be met before proceeding.

• Selenium waits help in handling dynamic web elements that load at different times.

• There are three types of waits in Selenium: Implicit wait, Explicit wait, and Fluent wait.

• Implicit wait sets a default waiting time for the entire script.

• Explicit wait waits for a specific condition to be met before proceeding.

• Fluent ...read more

Method hiding is a concept in object-oriented programming where a subclass defines a method with the same name as a method in its superclass, effectively hiding the superclass method.

• Method hiding allows a subclass to provide its own implementation of a method without overriding the superclass method.

• The subclass method must have the same signature (name and parameters) as the superclass method to hide it.

• To access the...read more

Static variables and methods can be accessed using the class name directly.

• Use the class name followed by a dot operator to access static variables and methods.

• No instance of the class is required to access static members.

• Example: ClassName.staticVariableName or ClassName.staticMethodName()

Regression testing is testing the entire application after changes, while retesting is testing specific areas affected by changes.

• Regression testing involves testing the entire application to ensure that new changes have not affected existing functionality

• Retesting focuses on testing specific areas that were affected by recent changes to ensure they are working as expected

• Regression testing is usually automated to save...read more

Hooks in Cucumber are blocks of code that run before or after each scenario in a feature file.

• Hooks are used to set up preconditions and clean up after tests

• They can be used to initialize test data, open/close browser, log in/out, etc.

• Hooks can be defined at the global level or at the scenario level

I have used OOPs concepts in my projects to create reusable code, improve code organization, and enhance code readability.

• Used inheritance to create a base class with common functionalities and derived classes with specific functionalities

• Implemented encapsulation to hide internal details of a class and expose only necessary information through methods

• Utilized polymorphism to allow objects of different classes to be tr...read more

To avoid merge conflicts in git, use branches effectively, communicate with team members, and regularly pull changes from the remote repository.

• Create feature branches for each new feature or bug fix

• Regularly pull changes from the remote repository to stay up to date with the latest changes

• Communicate with team members about the files you are working on to avoid conflicting changes

• Use tools like git rebase to integrate...read more

Web tables can be accessed using various methods like XPath, CSS selectors, and Selenium WebDriver commands.

• Use XPath to locate the table element on the web page

• Identify rows and columns within the table using XPath or CSS selectors

• Use Selenium WebDriver commands to interact with the table data, such as getting text from cells or clicking on links within the table

Stale Element Exception occurs when an element is no longer attached to the DOM.

• Occurs when an element is located in the DOM, but it has been removed or modified

• Commonly encountered in automated testing when trying to interact with elements that have changed

• Can be resolved by re-locating the element or refreshing the page

Use Arrays.asList() method to convert array to ArrayList.

• Use Arrays.asList() method to convert array to ArrayList.

• Example: String[] array = {"apple", "banana", "orange"}; ArrayList list = new ArrayList<>(Arrays.asList(array));