IVY SOFTWARE DEVELOPMENT SERVICES Interview Questions, Process, and Tips

Q1. About experience, education and technical
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Q1. About technical
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Q1. Package discussion
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Q1. What is abstract class
Ans. 
Abstract class is a class that cannot be instantiated and is used as a blueprint for other classes to inherit from.
• Cannot be instantiated directly

• Can have abstract methods that must be implemented by subclasses

• Can have non-abstract methods as well
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Q2. One coding question to sort a string array
Ans. 
Sort a string array in alphabetical order
• Use a sorting algorithm like quicksort or mergesort

• Remember to compare strings using strcmp() function

• Handle uppercase and lowercase letters properly
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Q3. Why java doesn't support multiple inheritance
Ans. 
Java doesn't support multiple inheritance to avoid the diamond problem and maintain simplicity.
• Java supports single inheritance to avoid ambiguity in method resolution.

• Multiple inheritance can lead to the diamond problem where a class inherits from two classes that have a common ancestor.

• Java uses interfaces to achieve multiple inheritance of type, allowing classes to implement multiple interfaces.
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Q1. What are my strengths and weaknesses
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The Aptitude test was easy. All the topics were covered.

They have given two basic coding questions to do. Solving those two will give you chance to attend the interview.

Q1. A single coding question was asked. We need to write code for that.
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Q2. > Given an array of n-1 numbers 1<=a[i]<=n. We need to find the number that was missing from the array.
Ans. 
Given an array of n-1 numbers 1<=a[i]<=n, find the missing number.
• Calculate the sum of all numbers from 1 to n using the formula n*(n+1)/2

• Calculate the sum of all elements in the array

• Subtract the sum of array elements from the sum of all numbers to get the missing number
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Q1. Technical questions about previous project
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Q2. General scenarios based questions
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Q1. Scenario based question
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Q1. Restful Services - GET , PUT , POST. Sql queries Kafka Questions
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Q1. General questions on Manual testing and what are your interest to follow in near future.
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Q1. What are your future goals and how would you like to use your earlier experience with new upcoming technology
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Q1. What is your family background?
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Q2. Why are you looking for a change?
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Q3. Tell me about yourself.
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Q4. What are your salary expectations?
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Q5. Share details of your previous job.
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