ivy Software Engineer Interview Questions, Process, and Tips

Q1. Basic palindrome and string questions
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Q1. Oops, problem solving, puzzles
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Q1. To print second highest number in a integer list in java
Ans. 
To print second highest number in a list of integers in Java
• Sort the list in descending order

• Print the second element in the sorted list
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Q2. Comparator vs comparable
Ans. 
Comparator and Comparable are interfaces used for sorting objects in Java.
• Comparable interface is used to define the natural ordering of objects.

• Comparator interface is used to define custom ordering of objects.

• Comparable interface has compareTo() method while Comparator interface has compare() method.

• Comparable interface is implemented by the class whose objects need to be sorted while Comparator interface is implemen...read more
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Q1. About last project details
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Q1. 2nd largest number from array
Ans. 
Find the second largest number from an array of strings.
• Convert the array of strings to an array of numbers.

• Sort the array in descending order.

• Return the second element of the sorted array.
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Q2. Sql join query and some basic dbms concepts
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Q1. 1st round was technical round. All questions were moderate level.
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2nd round was sql coding and they asked basics of sql like keys, joins,group by clause etc.

MCQ on Coding Fundamentals

Q1. String Reverse reserving white spaces.
Ans. 
Reverse a string while preserving white spaces
• Iterate through the string from end to start

• Keep track of white spaces and insert them in the reversed string

• Example: 'hello world' -> 'dlrow olleh'
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