The Complete Solidity Course - Zero to Advanced for Blockchain and Smart Contracts - Exercise - Contract Visibility Adva

The video tutorial guides students through a complex exercise involving the creation and implementation of three contracts (C, D, and E) in a programming context. It emphasizes the importance of understanding and mastering contract concepts through rigorous exercises. The tutorial provides detailed instructions for each contract, encouraging students to try their best, seek help if needed, and learn from the process. The video concludes with a motivational message to test the contracts and celebrate the learning journey.

What is the primary goal of the exercise discussed in the introduction?

• To learn about blockchain technology

• To master contract concepts through practice

• To understand the basics of programming

• To explore advanced cryptography

In Contract C, what is the visibility of the 'data' state variable?

• Public

• External

• Internal

• Private

Which function in Contract C is designed to be read-only and return the value of 'data'?

• getData

• increment

• compute

• updateData

What is the main task in setting up Contract D?

• Creating a new state variable

• Designing a user interface

• Deriving Contract C and setting a new instance

• Implementing a complex algorithm

In Contract E, what keyword is used to inherit Contract C?

• extends

• inherits

• is

• implements

What is the purpose of the 'getComputedResult' function in Contract E?

• To compute values using Contract C's function

• To initialize state variables

• To handle user inputs

• To update the contract's metadata

Which function in Contract E is responsible for returning the 'result' variable?

• computeResult

• getResult

• retrieveResult

• fetchResult