Paharpur Cooling Towers Interview Questions and Answers

Java is a popular programming language used for developing applications, while OOPs concepts are principles used for designing software.

• Java is a high-level, object-oriented programming language known for its platform independence.

• OOPs concepts include encapsulation, inheritance, polymorphism, and abstraction.

• Encapsulation involves bundling data and methods that operate on the data into a single unit.

• Inheritance allows a class to inherit properties and behavior from another c...read more

SQL is a language used for managing and manipulating databases. Linux is an open-source operating system. XL may refer to Excel.

• SQL stands for Structured Query Language and is used to communicate with databases.

• Linux is an open-source operating system popular for its stability and security.

• XL could refer to Microsoft Excel, a spreadsheet program used for data analysis.

Testing techniques are methods used to design and execute test cases to ensure software quality.

• Black Box Testing: Testing without knowledge of internal code structure.

• White Box Testing: Testing with knowledge of internal code structure.

• Unit Testing: Testing individual units or components of a software.

• Integration Testing: Testing the integration of multiple units or components.

• Regression Testing: Testing to ensure new code changes do not affect existing functionality.

• Smoke T...read more

Dynamic drop downs can be handled by using automation tools like Selenium WebDriver to identify and interact with the elements.

• Use Selenium WebDriver to identify the parent element of the dynamic drop down

• Capture the options within the drop down using findElements method

• Iterate through the options and select the desired option based on specific criteria

• Handle any dynamic changes in the drop down by re-identifying the elements as needed

API Testing is a type of software testing that involves testing APIs directly.

• API Testing involves testing the functionality, reliability, performance, and security of APIs.

• It focuses on verifying that the API meets the requirements and works as expected.

• API Testing can be done manually or using automated tools like Postman or SoapUI.

• Examples of API Testing include testing the response time of an API, checking for proper error handling, and validating data accuracy.

Assertion in TestNG is used to validate the expected outcome of a test case.

• Assertions are used to verify that the actual result matches the expected result in a test case

• TestNG provides various assertion methods such as assertEquals, assertTrue, assertFalse, etc.

• If an assertion fails, the test case is marked as failed and the execution stops