Ernst & Young Ssis Developer Interview Questions and Answers

Q1. MULTIPLE QUESTIONS OF OOPS
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Q2. Program of prime number
Ans. 
A program to find prime numbers within a given range
• Iterate through numbers in the given range

• Check if each number is divisible by any number other than 1 and itself

• If not divisible, it is a prime number
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Q3. Pseudo code of finding ones in a number
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Count the number of ones in a given number using pseudo code
• Initialize a count variable to 0

• Iterate through each bit of the number and check if it is 1

• Increment the count if the bit is 1

• Return the count as the result
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Q4. Basic questions of sql and mongodb
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Q1. Fir arrow function This keyword Promises Promise chain Generator function Rest operator Spread operator React hooks Higher order component Redux life cycle Palindrome string code Fibonacci code
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Just asked to expand on past experiences and what technologies i had experience with.

Q1. Too much focus on theory questions. Like how would you link multiple middleware - write code for that
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Aptitude test with different sections. Each section had its own time limit. Level - Moderate to difficult

Q1. Introduce yourself
Ans. 
I am a passionate software developer with experience in Java, Python, and web development.
• Experienced in Java and Python programming languages

• Proficient in web development technologies like HTML, CSS, and JavaScript

• Currently pursuing a degree in Computer Science
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Q2. Resume projects
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Q3. 2 DSA questions
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Q4. One SQL Query question
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Q1. What is Hash map? What app did you build How do u maintain app life cycle
Ans. 
A hash map is a data structure that allows for efficient storage and retrieval of key-value pairs.
• A hash map uses a hash function to convert keys into array indices.

• It provides constant-time average case complexity for insertion, deletion, and retrieval operations.

• Hash maps are commonly used in programming languages and databases for fast data access.

• Example: HashMap map = new HashMap<>();

• map.put("appl
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