Wissen Technology Junior Engineer - Quality Assurance Interview Questions, Process, and Tips

Java program to count vowels in a string

• Create a method that takes a string as input

• Use a loop to iterate through each character in the string

• Check if the character is a vowel (a, e, i, o, u) and increment a counter

• Return the counter as the result

Xpath for Google search button

• Use the following Xpath: //input[@name='btnK']

• The 'btnK' is the name attribute of the Google search button

• Make sure to test the Xpath in a browser console to ensure accuracy

OOPS concept refers to Object-Oriented Programming principles like inheritance, encapsulation, polymorphism, and abstraction.

• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation detail

Implicit and Explicit waits are used in Selenium to handle synchronization issues in web automation testing.

• Implicit wait is used to tell the WebDriver to wait for a certain amount of time before throwing a NoSuchElementException.

• Explicit wait is used to tell the WebDriver to wait for a certain condition to occur before proceeding further.

• Implicit wait is set globally for the entire WebDriver instance, while explicit w...read more

In software testing, 'throw' is used to raise an exception, while 'throws' is used to declare exceptions that a method may throw.

• throw is used to raise an exception in a program

• throws is used in method signature to declare exceptions that the method may throw

• throw is a keyword in Java, while throws is a keyword used in method declaration

Solving a pseudo code problem in an interview for Junior Engineer - Quality Assurance

• Understand the logic of the pseudo code provided

• Identify the variables and operations being performed

• Write the code in a programming language of your choice to solve the problem

• Test the code with different inputs to ensure it works correctly