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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

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

a: Array Explanation

Explanation

b: Struct Explanation

Explanation

c: Mapping Explanation

Explanation

d: Library Explanation

Explanation

Advanced Smart Contract Writing Using Solidity