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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Contributors

Feedback

Advanced Smart Contract Writing

Choose difficulty:

Beginner

Intermediate

Advanced

What is a dynamic array in Solidity?

a: An array with a fixed size Explanation

Explanation

b: An array that can grow or shrink dynamically Explanation

Explanation

c: An array that only stores strings Explanation

Explanation

d: An array that cannot store integers Explanation

Explanation

What is a struct in Solidity?

a: A data type to store single variables Explanation

Explanation

b: A contract that inherits from another contract Explanation

Explanation

c: A user-defined data type for grouping variables Explanation

Explanation

d: A predefined library in Solidity Explanation

Explanation

What is the key-value structure used in Solidity?

a: Array Explanation

Explanation

b: Struct Explanation

Explanation

c: Mapping Explanation

Explanation

d: Library Explanation

Explanation

Which tool is commonly used to write and deploy Solidity smart contracts?

a: Remix IDE Explanation

Explanation

b: Visual Studio Code only Explanation

Explanation

c: Truffle without Remix Explanation

Explanation

d: Python interpreter Explanation

Explanation

In Solidity, which keyword is used to define a new contract?

a: struct Explanation

Explanation

b: mapping Explanation

Explanation

c: contract Explanation

Explanation

d: function Explanation

Explanation

Which of the following is a feature of Solidity?

a: Event logging Explanation

Explanation

b: Automatic garbage collection Explanation

Explanation

c: Dynamic typing Explanation

Explanation

d: No support for structs Explanation

Explanation

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