The Complete Solidity Course - Zero to Advanced for Blockchain and Smart Contracts - Solution - Writing Strings in Solid

The video tutorial guides viewers through creating and manipulating string variables in Solidity. It covers creating a string variable, writing functions to return and change the string value, and determining the string's length. The tutorial emphasizes understanding string literals, memory storage, and function scope. It concludes with encouragement to continue learning and practicing Solidity.

What is the initial value assigned to the 'favorite color' string?

• Yellow

• Green

• Blue

• Red

What is the purpose of the 'get color' function?

• To return the string literal of 'favorite color'

• To change the color

• To calculate the length of the string

• To delete the string

What error was encountered when creating the 'get color' function?

• Using square brackets instead of curly brackets

• Using parentheses instead of curly brackets

• Using curly brackets instead of parentheses

• Using square brackets instead of parentheses

What argument does the 'change color' function take?

• A float representing the color intensity

• A string representing the new color

• A boolean indicating if the color should change

• An integer representing the color code

What is the main task of the 'change color' function?

• To calculate the length of the color name

• To change the 'favorite color' to a new value

• To delete the current color

• To return the current color

How is the length of the 'favorite color' string calculated?

• By using the .length property directly

• By converting the string to bytes

• By counting each character manually

• By using a built-in length function

What should be the length of the string if the 'favorite color' is changed to 'purple'?

• 6

• 5

• 7

• 4