What are the key differences between mapping and arrays in Solidity?
The Complete Solidity Course - Zero to Advanced for Blockchain and Smart Contracts - Mapping in Solidity
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Information Technology (IT), Architecture
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University
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Hard
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The video tutorial explains mapping in Solidity, highlighting its simplicity compared to Python or JavaScript. It covers creating a map with keys and values, adding and retrieving data, and removing data. The tutorial also discusses default values in mapping and concludes with key points to remember.
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4 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What types of data can be used as keys in a mapping?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
How can you remove an address from a mapping in Solidity?
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
In what scenarios might you encounter a value of 0 when accessing a mapping?
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