10+ Software Development Engineer Test Interview Questions and Answers

A technical interview question about software development and engineering.

• Software is a set of instructions that tell a computer what to do.

• Framework is a set of rules or guidelines that developers follow to create software.

• Characteristics of software include functionality, reliability, usability, efficiency, maintainability, and portability.

• SDLC models include Waterfall, Agile, Spiral, and V-Model.

• Debugging is the process of finding and fixing errors in software.

• Validation e...read more

Computer program is a set of instructions that performs a specific task, while computer software is a collection of programs, data, and instructions.

• A computer program is a single set of instructions that performs a specific task, such as a calculator program

• Computer software is a collection of programs, data, and instructions, such as Microsoft Office

• A computer program is a part of computer software, but not all computer software is a computer program

Code to return list of tuples with elements summing up to given sum

• Iterate through the list and check for pairs of elements whose sum equals the given sum

• Add the pairs to a list of tuples and return the list

• Use a nested loop to compare each element with all other elements in the list

Sum all digits until single digit is reached

• Iterate through each digit and add them together

• Repeat the process until the sum is a single digit

• Example: For input 1234, sum = 1+2+3+4 = 10, then sum = 1+0 = 1

Use a round-robin tournament scheduling algorithm with a matrix data structure.

• Create a matrix where rows represent teams and columns represent opponents.

• Fill in the matrix such that each team plays every other team exactly once.

• Use the round-robin tournament scheduling algorithm to generate the match schedule.

• Ensure that each team plays with every other team by checking the matrix for any missing matches.

Count words in a sentence using Map

• Split the sentence into an array of words

• Create a Map object

• Loop through the array and add each word as a key to the map with a value of 1

• If the word already exists in the map, increment its value by 1

• Return the map

Code to check if given string of parentheses is balanced or not.

• Use a stack to keep track of opening parentheses

• If a closing parenthesis is encountered, check if the top of stack is its corresponding opening parenthesis

• If stack is empty or top of stack is not the corresponding opening parenthesis, return false

• If all parentheses are balanced, return true

Implement a replace function for the String class.

• Create a new string variable to store the result

• Iterate through the original string and check for the substring to be replaced

• Replace the substring with the new substring in the result string

Aveva is a global engineering and industrial software company.

• Provides software solutions for industries like oil and gas, power, marine, and more

• Offers products for engineering, operations, and performance management

• Has offices in over 40 countries and serves customers in over 80 countries

The best time to buy and sell stocks is when the price is low and high respectively, maximizing profit.

• Buy when the stock price is low and sell when it is high to maximize profit

• Consider factors like market trends, company performance, and economic indicators

• Use technical analysis tools like moving averages, RSI, and MACD to make informed decisions

Collection framework is a set of classes and interfaces that provide a way to store and manipulate groups of objects.

• It includes interfaces like List, Set, and Map

• It provides implementations like ArrayList, HashSet, and HashMap

• It allows for easy manipulation of data structures and efficient searching and sorting

• Example: List names = new ArrayList<>(); names.add("John"); names.add("Jane");

• Example: Map ages = new HashMap<>(); ages.put("John", 30); ages.put("Jane", 25);

Exceptions and waits are important concepts in Selenium for handling errors and synchronization.

• Exceptions are used to handle errors that occur during test execution.

• Selenium provides various types of waits like implicit, explicit, and fluent waits to synchronize test execution with the application.

• Implicit waits wait for a certain amount of time before throwing an exception if the element is not found.

• Explicit waits wait for a certain condition to be met before proceeding wi...read more

Test cases for a lift

• Test if the lift moves up and down

• Test if the lift stops at each floor

• Test if the lift door opens and closes properly

• Test if the lift can handle maximum weight capacity

• Test if the emergency stop button works

• Test if the lift can handle power failure

• Test if the lift has proper ventilation and lighting