Happiest Minds Technologies Softwaretest Engineer Interview Questions and Answers

Aptitude ,reasoning, computer science fundamental mcq ,2 coding questions

Advance round for those who solved more than 80% test in shl exam

Q1. Polymorphism,OOP,Code snippet output and basic coding and for some ppl puzzles also asked
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Q1. What are the locators in selenium, Write xpath for given element Diff between find element and findelements What is smoke sanity and regression testing Black box and white box testing difference Defect li...read more
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Answers to common interview questions for Software Test Engineer position
• Locators in Selenium are used to locate elements on a web page, such as ID, name, class name, tag name, link text, and XPath

• Example of XPath for an element: //input[@id='username']

• findElement() is used to find a single element on a web page, while findElements() is used to find multiple elements

• Smoke testing is a preliminary testing to check if th...read more
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Q1. Salary discussion
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It was a well designed test covering all the aptitude topics and the level was moderate.

Q1. Write the code for abstraction
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Abstraction in programming is the concept of hiding the implementation details and showing only the necessary features of an object.
• Abstraction can be achieved in programming languages like Java using abstract classes and interfaces.

• Abstract classes are classes that cannot be instantiated and may contain abstract methods that must be implemented by subclasses.

• Interfaces define a contract for classes to implement, witho...read more
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Q2. Write a code to reverse a string
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Code to reverse a string using array of characters
• Create an array of characters from the input string

• Use two pointers to swap characters at opposite ends of the array until they meet

• Convert the array back to a string and return
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Q3. Type of joins in SQL
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Types of joins in SQL include inner join, outer join, left join, and right join.
• Inner join: Returns rows when there is a match in both tables

• Outer join: Returns all rows when there is a match in one of the tables

• Left join: Returns all rows from the left table and the matched rows from the right table

• Right join: Returns all rows from the right table and the matched rows from the left table
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Q1. Tell me about yourself
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I am a dedicated Software Test Engineer with 5 years of experience in manual and automated testing.
• 5 years of experience in software testing

• Proficient in manual and automated testing

• Strong attention to detail and problem-solving skills
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Q2. Will you able to relocate
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Yes, I am willing to relocate for the right opportunity.
• I am open to relocating for a Softwaretest Engineer position

• I am flexible and willing to move for the right opportunity

• I understand the importance of being geographically flexible in the tech industry
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Q3. Tell me about your projects
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I have worked on various projects including test automation, performance testing, and regression testing.
• Developed automated test scripts using Selenium WebDriver for web application testing

• Conducted performance testing using JMeter to analyze system behavior under load

• Executed regression testing to ensure new code changes did not impact existing functionality
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Q4. Are you aware about the bond
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Yes, a bond is a legal agreement between a company and an employee that requires the employee to stay with the company for a certain period of time.
• A bond is a common practice in industries like IT, where companies invest in training employees and want to ensure they stay for a certain period to recoup that investment.

• Breaking a bond typically incurs a financial penalty for the employee.

• Bonds can also be used in other ...read more
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Q1. Basics of Java and selenium
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Easy MCQ Questions just prepare basics of CS

Q1. Explain OOPS concept in detail
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OOPS is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
• OOPS stands for Object-Oriented Programming System

• It focuses on creating objects that interact with each other to solve a problem

• Key principles include encapsulation, inheritance, polymorphism, and abstraction

• Encapsulation: Bundling data and methods that operate on the data int...read more
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Q2. What is constructor
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A constructor is a special type of method that is automatically called when an object is created in a class.
• Constructors have the same name as the class they are in.

• They can be used to initialize object properties.

• Constructors do not have a return type.

• Example: public class Car { public Car() { // constructor code here } }
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Q3. When we use final keyword
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The final keyword is used in Java to declare constants, prevent method overriding, and prevent class inheritance.
• Used to declare constants - value cannot be changed

• Prevents method overriding in subclasses

• Prevents class inheritance - class cannot be extended
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Q1. Strength and Weakness
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Q2. About myself, my hobbies, fav game
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Q1. DSA questions SQL questions
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Q2. Basic concepts like OOPS , DBMS
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Q1. Advance level DSA questions Sql questions Basic concepts
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Q1. Basic HR questions
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Q1. Passport, SDLC and STLC
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Questions are of medium difficulty focus on time

Q1. Reverse string in java
Ans. 
To reverse a string in Java, use StringBuilder or char array.
• Use StringBuilder's reverse() method to reverse a string.

• Convert the string to a char array, then swap characters from start and end indexes.

• Iterate through half of the string and swap characters at corresponding indexes.
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