The Complete Solidity Course - Zero to Advanced for Blockchain and Smart Contracts - What are Contracts Review in Solidi

The video tutorial covers the concept of contracts in Solidity, comparing them to classes in C++. It explains constructors as special functions that execute once per contract creation. The tutorial discusses state and local variables, highlighting their differences. It also covers scope keywords like external, public, internal, and private, explaining their usage and importance. Finally, the video provides a practical application of these concepts, demonstrating how to deploy contracts and understand their visibility.

Describe how constructors are executed in a Solidity contract.

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What is the role of the 'this' keyword when calling external functions?

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How can derived contracts access internal functions or variables?

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