ivy Interview Questions, Process, and Tips

Asked to implement code for linked list based quetions quetions will be on collections

Manager round asked about collections and java 8 features

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
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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. Oops concepts, mysql query
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Q2. Find 2highest salary mysql query, abstract and interfaces
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MySQL query to find 2 highest salaries and explanation of abstract and interfaces
• Use ORDER BY and LIMIT to get the top 2 salaries

• Abstract classes cannot be instantiated and can have both abstract and non-abstract methods

• Interfaces define a set of methods that a class must implement

• Example: SELECT salary FROM employees ORDER BY salary DESC LIMIT 2

• Example: abstract class Animal { abstract void makeSound(); }

• Example: inte
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Q1. Mysql questions, sdlc method
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Q1. Salary discussion and discussion about job roles
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