Standard Chartered Sdet Engineer Interview Questions and Answers

Q1. What is the Java stream
Ans. 
Java Stream is a sequence of elements that supports functional-style operations.
• Java Stream is used to process collections of objects in a functional way.

• It allows for operations like filter, map, reduce, and collect to be performed on the elements.

• Streams can be sequential or parallel, providing better performance for large datasets.

• Example: List names = Arrays.asList("Alice", "Bob", "Charlie"); Stream stream = names.
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Q2. What is the regression test?
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Regression testing is the process of re-running previously executed tests to ensure that new code changes have not adversely affected existing functionality.
• Regression testing is performed to verify that new code changes have not introduced any new bugs or issues.

• It involves re-running previously executed test cases to ensure that existing functionality still works as expected.

• Regression testing is typically automated ...read more
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Q1. LC Medium LinkedList
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Q2. HLD + LLD Concepts
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LC Hard - Largest rectangle area in histogram

Q1. Low level design - Classes, objects, logic
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1 hour, Anagram, Java

2 coding quesions very basic and interesting

Q1. What is test life cycle?
Ans. 
Test life cycle is a series of phases that a software testing process goes through, from planning to test closure.
• Test life cycle includes test planning, test design, test execution, and test closure.

• In test planning, test objectives, scope, and test strategy are defined.

• Test design involves creating test cases and test data.

• Test execution is the phase where tests are executed and defects are logged.

• Test closure includ...read more
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Q2. Reverse String in java?
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Reverse a string in Java
• Convert the string to a character array

• Use two pointers, one at the start and one at the end of the array

• Swap the characters at the two pointers and move the pointers towards each other

• Continue swapping until the pointers meet in the middle
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Q3. How is given in rest assured?
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Rest Assured is a Java library used for testing RESTful APIs. It provides a simple and intuitive way to write automated tests.
• Rest Assured is a Java library

• It is used for testing RESTful APIs

• It provides a simple and intuitive way to write automated tests
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Q4. What is When in cucumber?
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When in Cucumber is a keyword used to define the conditions under which a particular step or scenario should be executed.
• When is used to specify the triggering event or condition for a step or scenario

• It is followed by a regular expression or a Cucumber expression

• When can be used to perform actions or set up preconditions before executing the step or scenario

• It can also be used to pass parameters to the step definition
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Q5. What is Oops concept?
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Oops concept is a programming paradigm that focuses on objects and their interactions to solve problems.
• Oops stands for Object-Oriented Programming System.

• It emphasizes the use of classes and objects to structure code.

• Encapsulation, inheritance, and polymorphism are key concepts in OOP.

• Encapsulation hides the internal details of an object and provides a public interface.

• Inheritance allows classes to inherit properties ...read more
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Q1. What is software testing life cycle
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Software Testing Life Cycle (STLC) is a process followed to ensure quality in software development by conducting various testing activities.
• STLC consists of several phases: requirement analysis, test planning, test case development, test environment setup, test execution, and test closure.

• Each phase has specific objectives and deliverables, ensuring that the testing process is systematic and thorough.

• STLC helps in iden...read more
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Q2. How to handle alert in selenium and methods
Ans. 
To handle alerts in Selenium, we use the Alert interface and its methods.
• To switch to an alert, we use the switchTo() method of WebDriver class.

• To accept or dismiss an alert, we use the accept() or dismiss() method of Alert interface.

• To get the text of an alert, we use the getText() method of Alert interface.

• To send text to an alert, we use the sendKeys() method of Alert interface.
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Q3. How to take screenshot and project framework
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To take a screenshot in automation testing, use the built-in methods provided by the testing framework.
• In Selenium, use the getScreenshotAs() method to capture a screenshot.

• In Appium, use the getScreenshotAs() method to capture a screenshot.

• In TestNG, use the ITestResult interface to capture a screenshot on test failure.

• In Cucumber, use the After hook to capture a screenshot after each scenario.
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Q4. What is page object model and test ng annotations
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Page Object Model (POM) is a design pattern used in test automation to create an object repository for web UI elements.
• POM helps in creating reusable and maintainable code by separating the test logic from the page-specific details.

• Each web page is represented as a separate class, and the UI elements and their actions are defined as methods within that class.

• POM improves code readability, reduces code duplication, and ...read more
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Q5. Wait in selenium and how to find all links present in a page xpath
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To wait in Selenium, we can use explicit and implicit waits. To find all links in a page using XPath, we can use the findElements() method.
• To wait in Selenium, we can use explicit wait with ExpectedConditions or implicit wait with the setScriptTimeout() method.

• Explicit wait waits for a certain condition to occur before proceeding with the next steps.

• Implicit wait sets a maximum time for the driver to wait for an elemen...read more
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Q6. How many locator is present in selenium
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There are 8 locators present in Selenium.
• Selenium provides 8 different locators to identify elements on a web page.

• The locators are: ID, Name, Class Name, Tag Name, Link Text, Partial Link Text, CSS Selector, and XPath.

• Each locator has its own syntax and usage.

• For example, to locate an element by ID, you can use driver.findElement(By.id("elementId"));
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Q7. How to find broken link
Ans. 
To find broken links, use a link checker tool or browser extension.
• Use a link checker tool like Xenu's Link Sleuth or W3C Link Checker

• Install a browser extension like Check My Links for Chrome or Link Checker for Firefox

• Manually check links by clicking on them and checking for error messages

• Regularly check for broken links to ensure website functionality
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Q1. FindElements vs findElement
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findElements returns a list of web elements matching the locator, while findElement returns the first matching element.
• findElements is useful when there are multiple elements with the same locator

• findElement throws NoSuchElementException if no element is found

• findElements returns an empty list if no element is found

• Example: List links = driver.findElements(By.tagName("a"));

• Example: WebElement username = driver.findElem
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Q2. Scenario about getWindowHandles and then difference between getWindowHandles and getWindowHandle
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Q3. Coding problem in selenium 1. Clicking on submenu through Menu, 2. Related to html table
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Q1. 1. Cucumber feature file 2. Scenario-based questions 3. Java Exception handling 4. Selenium Questions (wait, window handling, alerts)
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Q2. 5. git 7. Jenkins and basics of STLC cycle should be known
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