Avineon India Associate Trainee Interview Questions and Answers

Coding C amd Apptitude

Q1. String Reverse without predefined methods
Ans. 
Reverse a string without using predefined methods
• Iterate through the string from end to start and append each character to a new string

• Use a temporary variable to swap characters from start to end until reaching the middle

• Alternatively, convert the string to an array of characters, reverse the array, then join it back into a string
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Q2. Pattern programs
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Q1. General discussion about family
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Q2. Get to know the relocate
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Q1. What is the role of DNS in networking?
Ans. 
DNS is a system that translates domain names to IP addresses, allowing users to access websites using human-readable names.
• DNS stands for Domain Name System

• It helps in translating domain names to IP addresses

• DNS servers store a database of domain names and their corresponding IP addresses

• DNS plays a crucial role in enabling users to access websites using human-readable names instead of IP addresses
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Q1. What certifications have you earned?
Ans. 
I have earned certifications in Java programming and AWS cloud computing.
• Certification in Java programming

• Certification in AWS cloud computing
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2 Coding rounds with medium difficulty questions

Q1. Given a problem statement and you pair with interviewer to solve it in real time
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Q1. Technical interview mostly based on your experiences and language mentioned in the resume
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Q1. Cultural alignment round , who you see social change around you
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Q1. Oops concepts, Encapsulation, Abstraction in detail with example
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Q2. Types of beans in Java
Ans. 
Java has two types of beans: stateful and stateless beans.
• Stateful beans maintain conversational state with the client, while stateless beans do not.

• Stateful beans are typically used for long-running conversations, while stateless beans are used for short-lived operations.

• Examples of stateful beans include session beans, while examples of stateless beans include message-driven beans.
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Q1. Code to sort an Array in ascending order
Ans. 
Use a sorting algorithm like bubble sort or quicksort to arrange elements in ascending order.
• Use a sorting algorithm like bubble sort, quicksort, or merge sort to rearrange elements in ascending order.

• For example, you can implement bubble sort to compare adjacent elements and swap them if they are in the wrong order.

• Another example is using quicksort to divide the array into smaller subarrays and recursively sort them.
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Q2. Find the second greatest number in an array
Ans. 
Iterate through the array to find the second greatest number.
• Iterate through the array and keep track of the greatest and second greatest numbers.

• Compare each element with the current greatest and second greatest numbers.

• Update the second greatest number if a new number is found that is greater than the current second greatest but less than the greatest.
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Q1. Let us assume we have an array of 0's and 1's,how would you find the first index for 1.
Ans. 
Iterate through the array and return the index of the first occurrence of 1.
• Iterate through the array using a loop.

• Check each element of the array, if it is 1 then return its index.

• If no 1 is found, return -1.
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Q2. SQL queries related to Order By and Group By
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Q1. First online assessment. Fundamental question from all computer science subjects.
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