Clearwater Analytics Interview Questions, Process, and Tips

Q1. Tell me about your self ?
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Q2. Where is your home town ?
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Q1. Expected salary ?
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Q2. What is your notice period ?
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Some database questions,some java questions .

Q1. What is the difference between javascript and jQuery.
Ans. 
JavaScript is a programming language used for web development, while jQuery is a library built with JavaScript to simplify HTML document traversal and manipulation.
• JavaScript is a programming language, while jQuery is a library written in JavaScript.

• JavaScript can be used for a wide range of tasks, while jQuery is mainly used for DOM manipulation and event handling.

• JavaScript is a core technology for web development, w...read more
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Q2. Define different types of join
Ans. 
Different types of joins are used in SQL to combine rows from two or more tables based on a related column between them.
• Inner Join: Returns rows when there is at least one match in both tables.

• Left Join (or Left Outer Join): Returns all rows from the left table and the matched rows from the right table.

• Right Join (or Right Outer Join): Returns all rows from the right table and the matched rows from the left table.

• Full ...read more
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Q3. Define multithreading concept and exception handling.
Ans. 
Multithreading allows multiple threads to run concurrently, while exception handling deals with errors in a program.
• Multithreading involves running multiple threads simultaneously to improve performance and responsiveness.

• Threads share the same memory space but have their own program counter and registers.

• Exception handling is a mechanism to handle errors or exceptional situations in a program.

• It helps prevent the prog...read more
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Q1. In general why do you want to work
Ans. 
I am passionate about data migration and enjoy the challenges it presents.
• Passionate about working with data and solving complex problems

• Enjoy the challenges and opportunities for growth in data migration projects

• Excited about contributing to the success of organizations through effective data migration
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It's based on a coding platform, the interviewer will be present while you're solving the coding problem.

Q1. Share your expertise so far
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Q2. Expplain what all you have done and how you've contributed to the company.
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An online coding test was conducted on HackerRank.

Q1. What is a Java-based solution to the problem of sorting names that have Roman numerals as their last names?
Ans. 
Use a custom Comparator to sort names with Roman numerals as last names in Java.
• Create a custom Comparator that splits the names into parts and compares the Roman numerals separately.

• Use regular expressions to identify and extract the Roman numerals from the last names.

• Implement the Comparator interface and override the compare method to sort the names based on the Roman numerals.

• Example: Input array - ['John Smith III
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Q2. What is the internal working mechanism of a hashmap?
Ans. 
A hashmap is a data structure that stores key-value pairs and uses a hash function to map keys to their corresponding values.
• Hashmap uses a hash function to determine the index of the key-value pair in the underlying array.

• Collisions can occur when multiple keys hash to the same index, which is resolved using techniques like chaining or open addressing.

• Hashmap typically has an underlying array where each element is a l...read more
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Q1. What is the system design for a hotel management system?
Ans. 
A hotel management system is a software application that helps manage various aspects of a hotel's operations, such as reservations, check-ins, check-outs, room assignments, billing, and more.
• Use a relational database to store information about rooms, guests, reservations, and transactions

• Implement user interfaces for staff to manage bookings, check availability, and process payments

• Incorporate features for guests to m...read more
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