20+ Interview Questions on Solidity

The following article provides 20+ Interview Questions on Solidity. Also, their answers are available at separate links.

What is Solidity and why is it used in blockchain development?
What are the benefits of using Solidity over other programming languages?
What are the data types supported by Solidity?
What is a smart contract and how does it work in Solidity?
What is gas and why is it important in Solidity?
What is a fallback function in Solidity?
What is the purpose of the constructor function in Solidity?
How do you declare a function in Solidity?
What are modifiers in Solidity and how are they used?
What is the purpose of events in Solidity?
What are mappings in Solidity and how are they used?
How do you use arrays in Solidity?
What are structs in Solidity and how are they used?
How do you handle exceptions and errors in Solidity?
How do you declare and use variables in Solidity?
How do you write a function to transfer funds in Solidity?
What is a contract and how does it work in Solidity?
How do you use inheritance in Solidity?
What is the difference between view and pure functions in Solidity?
What is the role of the Ethereum Virtual Machine (EVM) in executing Solidity code?
How do you prevent integer overflow and underflow in Solidity?
How do you secure smart contracts in Solidity?
What is the difference between private and public visibility in Solidity?
How do you test smart contracts in Solidity?
How do you interact with smart contracts from a web application?

Further Reading