Samsung E&A Interview Questions and Answers

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 the software build is stable enough for further testing, San...read more

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

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

Software testing is the process of evaluating a software application or system to find defects and ensure it meets the specified requirements.

• Software testing involves executing software applications or systems to identify defects and ensure they meet the specified requirements.

• It is done to ensure that the software is reliable, efficient, and meets the user's needs.

• Testing can be done manually or using automated tools.

• Types of testing include functional, performance, securit...read more

I follow a structured approach to testing, including planning, designing test cases, executing them, and reporting defects.

• I start by analyzing requirements and identifying test scenarios

• I design test cases and prioritize them based on risk and impact

• I execute test cases and report defects using a bug tracking tool

• I perform regression testing to ensure fixes do not introduce new issues

• I use automation tools to increase efficiency and coverage

• I collaborate with developers and ...read more

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, without providing any implementation details.

• Example: abstract ...read more

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 } }

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 into a single unit

• Inheritance: Allows a class to inherit prop...read more