10+ Sdet Engineer Interview Questions and Answers for Freshers

This task involves writing a login function to retrieve and print employee details like first name and salary.

• Define a function named 'printEmployeeDetails'.

• Use a data structure (like an array or list) to store employee information.

• Each employee can be represented as an object or dictionary with 'firstName' and 'salary' keys.

• Iterate through the employee list and print the 'firstName' and 'salary' for each employee.

• Example: For an employee object: { 'firstName': 'John', 'salar...read more

The API for capturing audio files is MediaRecorder in Android. Gradle is a build automation tool for Android projects.

• MediaRecorder API is used for capturing audio files in Android

• Gradle is a build automation tool used for building, testing, and deploying Android projects

• Example: MediaRecorder recorder = new MediaRecorder();

• Example: Gradle file for an Android project is typically named build.gradle

Code to check if a string meets password requirements using built-in Java functions.

• Use String class methods like length(), contains(), matches() to check for password requirements.

• Use regular expressions to validate password requirements such as minimum length, uppercase, lowercase, digits, special characters.

• Example: String password = "Pass123!"; boolean isValid = password.length() >= 8 && password.matches(".*[A-Z].*") && password.matches(".*[a-z].*") && password.matches("....read more

Code for nested dictionary

• Use curly braces to define the outer dictionary

• Use square brackets to define the inner dictionaries

• Access values using keys

Stress testing in network involves simulating high traffic loads to evaluate performance and stability.

• Use tools like JMeter, LoadRunner, or Apache Bench to generate high traffic loads.

• Gradually increase the number of concurrent users or requests to find the breaking point.

• Monitor network performance metrics like latency, throughput, and error rates during the test.

• Identify bottlenecks or weak points in the network infrastructure and optimize accordingly.

• Repeat the test multi...read more

QA stress testing is a type of testing that evaluates the system's behavior under stressful conditions to ensure its stability and performance.

• QA stress testing involves putting the system under high load to identify its breaking point.

• It helps in determining how the system handles heavy traffic, peak loads, and resource exhaustion.

• The goal of QA stress testing is to uncover potential performance issues, bottlenecks, and weaknesses in the system.

• Examples of stress testing inc...read more

Selenium is a popular open-source automation testing tool used for web applications.

• Selenium is used for automating web browsers.

• It supports multiple programming languages like Java, Python, C#, etc.

• Selenium WebDriver is the most commonly used component for writing automation scripts.

• Selenium Grid is used for parallel execution of test cases across different browsers and operating systems.

Sorting an array involves arranging its elements in a specific order.

• There are various sorting algorithms like bubble sort, insertion sort, quicksort, etc.

• Sorting can be done in ascending or descending order.

• Sorting can be done based on different criteria like alphabetical order, numerical order, etc.

Android manifest file is a XML file that contains essential information about the app, such as permissions, activities, services, etc.

• Contains package name and version code

• Defines permissions required by the app

• Lists activities, services, broadcast receivers, etc.

• Specifies hardware and software requirements

• Declares app components and their configurations

Inheritance in C++ allows a class to inherit properties and behavior from another class.

• Inheritance allows for code reusability by creating a new class based on an existing class.

• Derived class inherits attributes and methods from the base class.

• Types of inheritance include single, multiple, multilevel, and hierarchical.

• Example: class Animal is a base class, class Dog is a derived class inheriting from Animal.