EXERCISE For Data Types and Variables Copy

EXERCISE For Data Types and Variables Copy

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Question 1 of 4

1. Question
What is the recommended integer type in Solang Solidity for Solana for efficiency?
- uint256
- uint64
- uint8
- int128
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Question 2 of 4

2. Question
How is the address type in Solang Solidity for Solana encoded?
- Hexadecimal
- Base64
- Base58
- ASCII
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Question 3 of 4

3. Question
Where can enum and struct be declared in Solang Solidity for Solana?
- Only inside a contract
- Only outside a contract
- Either inside or outside a contract
- Neither inside nor outside a contract
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Question 4 of 4

4. Question
What is unique about user-defined types in Solang Solidity for Solana?
- They can only wrap existing primitive types
- They cannot be used in function arguments or return values
- They can be used in arithmetic operations
- They can wrap other user-defined types
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