Infosys QA Test Engineer Interview Questions and Answers

Frames are used to divide a web page into multiple sections. They can be handled using various methods.

• Use switchTo() method to switch to the frame

• Use defaultContent() method to switch back to the main content

• Use frame() method to locate the frame by index, name, or WebElement

• Use parentFrame() method to switch to the parent frame

• Use getWindowHandle() method to get the handle of the current window

The getWindowHandles command retrieves all open window handles for switching between them in Selenium.

• Use driver.getWindowHandles() to get a set of all window handles.

• Convert the set to a list for easier access: List<String> windowHandles = new ArrayList<>(driver.getWindowHandles());

• Switch to a specific window using driver.switchTo().window(windowHandles.get(index));

• Close a window using driver.close() ...read more

OOP is a programming paradigm based on objects, encapsulating data and behavior for better code organization and reuse.

• Encapsulation: Bundling data and methods that operate on the data within one unit (e.g., a class).

• Inheritance: Mechanism to create a new class based on an existing class, inheriting its properties (e.g., a 'Dog' class inheriting from an 'Animal' class).

• Polymorphism: Ability to present the same int...read more

My automation framework is designed for efficient testing, scalability, and maintainability using modern tools and best practices.

• Utilizes Selenium WebDriver for browser automation, enabling cross-browser testing.

• Incorporates TestNG for test management, allowing parallel execution and detailed reporting.

• Employs Page Object Model (POM) to enhance code reusability and maintainability.

• Integrates with CI/CD tools like...read more

Basic SQL queries are essential for retrieving and manipulating data in relational databases.

• SELECT statement: Used to select data from a database. Example: SELECT * FROM users;

• WHERE clause: Filters records based on specified conditions. Example: SELECT * FROM users WHERE age > 30;

• JOIN operations: Combines rows from two or more tables based on a related column. Example: SELECT orders.id, users.name FROM orders ...read more

To handle drop-down, identify the element, select the option, and verify the selection.

• Identify the drop-down element using locators like ID, class, or XPath.

• Use Selenium's Select class to select the desired option.

• Verify the selection using assertions or by getting the selected option's text.

• Handle dynamic drop-downs using wait statements or JavaScriptExecutor.

• Test for edge cases like empty options or duplicate v...read more

String is a sequence of characters in Java.

• Strings are immutable in Java.

• String class provides various methods for manipulating strings.

• Strings can be concatenated using the '+' operator.

• Strings can be compared using the 'equals()' method.

• Strings can be converted to character arrays using the 'toCharArray()' method.