Scala & Spark-Master Big Data with Scala and Spark - Basic Functions

This video tutorial covers the implementation of basic banking functions using global variables. It explains how to create functions for checking balance, withdrawing, and depositing amounts. The tutorial also demonstrates handling user input and updating the balance accordingly. The use of global variables allows these functions to access and modify the balance variable within the global scope.

What is the purpose of declaring a global variable in the context of the project?

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Explain how the check balance function operates and what it returns.

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Describe the process of withdrawing an amount from the balance. What checks are performed?

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What happens if a user tries to withdraw an amount greater than the available balance?

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How does the deposit function update the balance? Provide a detailed explanation.

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How can the user input be handled for both withdrawing and depositing amounts?

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In the context of the project, what is the significance of using functions for balance operations?

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