Multiple Choice
To Iterate through a mapping, you:
A) can use the length parameter of the mapping.
B) you need an external helper variable.
C) you cannot iterate any mapping to make the overall language design more safe.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q59: When considering smart contracts and the blockchain
Q60: Loops in Solidity:<br>A) are a great way
Q61: If we divide two integers: 5/2, the
Q62: View and Pure Functions:<br>A) a function marked
Q63: Transactions containing the same data to create
Q65: Unit-Testing on a local chain is important,
Q66: GETH:<br>A) is the reference implementation of the
Q67: Go-Ethereum vs. Ganache:<br>A) both are the same,
Q68: All low-level functions on the address, so
Q69: Assert is used:<br>A) to check internal states