Evolutionary Systems Interview Questions and Answers

Q1. Reverse string in java
Ans. 
Reverse a string in Java using StringBuilder or iterative approach.
• Use StringBuilder to reverse the string: StringBuilder sb = new StringBuilder(str); sb.reverse().toString();

• Iterative approach: Convert the string to char array, swap characters from start and end indexes until middle is reached.
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Q2. Write the xpath for MakeMyTrip datepicker
Ans. 
The xpath for MakeMyTrip datepicker can be written using unique attributes of the datepicker element.
• Use unique attributes like class, id, or data-testid to locate the datepicker element

• Consider the structure of the datepicker and its parent elements when writing the xpath

• Use indexes or sibling relationships if necessary to pinpoint the datepicker element
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Q3. SQL query for order all the employees in ascending order
Ans. 
Use SQL query with ORDER BY clause to order employees in ascending order.
• Use SELECT statement to retrieve employee data

• Add ORDER BY clause with the column you want to order by

• Specify ASC keyword for ascending order

• Example: SELECT * FROM employees ORDER BY employee_id ASC;
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Q4. Difference between smoke and sanity testing
Ans. 
Smoke testing is a subset of regression testing, focusing on basic functionality, while sanity testing is a subset of acceptance testing, focusing on specific areas.
• Smoke testing is performed to check if the critical functionalities of the application are working fine after changes.

• Sanity testing is performed to check if the specific areas of the application are working fine after changes.

• Smoke testing is a shallow and...read more
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Q5. Right positive or negative coupon code based on minimum amount and maximum amount
Ans. 
Generate a coupon code based on minimum and maximum amount
• Determine the range of amounts for the coupon code

• Generate a random code within that range

• Assign positive or negative based on the criteria
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Q6. Basic git commands
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Q1. What is WDR ?
Ans. 
WDR stands for Wide Dynamic Range. It is a feature in cameras that allows them to capture clear images in both bright and dark areas.
• WDR helps to balance the exposure in different parts of the image

• It is useful in scenarios where there are both bright and dark areas in the same frame

• WDR technology combines multiple images taken at different exposures to create a single well-exposed image
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Q2. What is BLC and HLC
Ans. 
BLC stands for Basic Life Cycle and HLC stands for High Level Cycle.
• BLC refers to the basic stages of a product or system's life cycle, including development, testing, and deployment.

• HLC refers to the higher-level phases of a product or system's life cycle, such as maintenance, updates, and retirement.

• Understanding both BLC and HLC is important for ensuring the successful management of a product or system.
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Q1. What is the Bitrate
Ans. 
Bitrate is the number of bits processed or transmitted per unit of time.
• Bitrate is commonly used in digital multimedia and telecommunications to measure data transfer rates.

• It is typically measured in bits per second (bps) or kilobits per second (kbps).

• Higher bitrate generally means better quality but also requires more bandwidth.

• For example, a video with a bitrate of 10 Mbps will have higher quality than the same vide
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Q2. What is resolution of 2 MP
Ans. 
2 MP resolution refers to a camera or display with 2 million pixels.
• 2 MP stands for 2 megapixels

• It means the camera or display has a resolution of 1600 x 1200 pixels

• Higher resolution results in clearer and more detailed images
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Q1. Can you please introduce yourself?
Ans. 
I am a Software Development Engineer with 5 years of experience in developing web applications using Java, Spring, and Angular.
• 5 years of experience in software development

• Proficient in Java, Spring, and Angular

• Strong problem-solving skills

• Experience in developing web applications

• Good team player
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Q2. What type of questions are being asked?
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Q1. Mvvm and Mvc architectures
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Q2. Gave Code snippets to find the output
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Q3. Swift basics and concepts like memory management
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Q4. Oops concepts and solid principles
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Q1. General questions about experience
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Q2. Questions were random and don't wish to share insights. It was for wowfare
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Q1. How do agile methodologies function in B2B projects?
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Q2. What is your experience with barcode scanners?
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Q1. Experience as Proposal Management
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Q2. End to End Bid Management
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Full c concept MCQ with IQ and Computaional Thinking

Q1. Number system convertion in c
Ans. 
Number system conversion in C involves converting numbers between different bases, such as decimal to binary or hexadecimal.
• Use functions like itoa() to convert integers to strings in different bases

• Use strtol() to convert strings to integers in different bases

• Remember to specify the base when converting numbers
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Q2. Pointers, struct, Data Structure
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Q1. Decimal to Binary Convertion
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Q2. Hexa Decimal to Binary convertion
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