Scala & Spark-Master Big Data with Scala and Spark - While Loop

The video tutorial explains the use of while loops in programming, focusing on input validation and user interaction. It demonstrates a scenario where a user must agree to terms and conditions using a while loop. The tutorial also discusses optimizing loop conditions and handling errors related to variable initialization. The lesson concludes with a preview of a quiz in the next video to reinforce the concepts learned.

What should be done to ensure that the while loop continues to prompt the user until a valid input is received?

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Describe the error that occurs if a variable is not initialized before being used in a while loop.

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In what way does the while loop improve user interaction in the given scenario?

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