What is the behavior of a union when different data types of different sizes are used?
- It leads to a runtime error
- It results in a compilation error
- The union will have the size of the largest data type
- The union will have the size of the smallest data type
In C, when different data types of different sizes are used in a union, the union will have the size of the largest data type. This allows you to store data of different types in the same memory location.
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