Celebal Technologies RPA Developer Interview Questions and Answers

Q1. Questions were completely based on data structures and algorithm
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Q2. SQL based questions were also asked
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Java Basics questions

Q1. Java oops concepts
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Q2. Swap two number without temporary var
Ans. 
Use bitwise XOR operation to swap two numbers without using a temporary variable.
• Use XOR operation to swap two numbers without using a temporary variable.

• a = a XOR b

• b = a XOR b

• a = a XOR b
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Q3. Java program to identify a number is palindrome or not
Ans. 
Java program to check if a number is a palindrome or not.
• Convert the number to a string to easily check for palindrome

• Reverse the string and compare it with the original string to check for palindrome

• Handle edge cases like negative numbers and single-digit numbers
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Q1. About your self
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Q2. Why IVY company
Ans. 
IVY company is known for its innovative projects, collaborative work environment, and commitment to employee growth.
• IVY company has a reputation for taking on challenging and cutting-edge projects.

• The company values collaboration and teamwork, which aligns with my own work style.

• IVY company offers opportunities for professional development and growth, which is important to me in my career.

• I admire IVY company's commitm
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Q1. Diff var let const
Ans. 
diff var let const
• var is function-scoped, let and const are block-scoped

• var can be redeclared and reassigned, let can be reassigned but not redeclared, const cannot be reassigned or redeclared

• const must be initialized during declaration, let and var can be declared without initialization
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Q1. Related to node js architecture
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Q1. Expectation and all
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It went well. Easy questions were asked

We have to first explain how we are planning to solve the problem and can start coding

Q1. Multi threading
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Q2. Algorithms in data structures
Ans. 
Algorithms in data structures are essential for efficient data manipulation and retrieval.
• Algorithms in data structures help in organizing and managing data effectively.

• Examples include sorting algorithms like quicksort and searching algorithms like binary search.

• Understanding algorithms in data structures is crucial for optimizing performance in software development.
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A paper based test and it was technical

Q1. About the projects
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Q2. Some sql questions
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Programming assessment tools used to objectively evaluate a candidates programing skills across parameters such as problem solving, coding aptitude and debugging

Q1. 1. Do you prefer working independently or as a part of a team
Ans. I'm prefer working as a part of a team
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Q2. As a part of an
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There were 3 question from DSA: 1st and 2nd was from recession and Dp and last one was from graph.