Explanations “Top Java Quiz Questions”

How many lines of the code contain compiler errors?

❌ A. 0
✅ B. 1
❌ C. 2
❌ D. 3
❌ E. 4

Explanation:
The first line contains a compilation error. The value 3 is cast to long. The 1 * 2 value is evaluated as int but promoted to long when added to the 3. Trying to store a long value in an int variable triggers a compiler error. The other lines do not contain any compilation errors, as they store smaller values in larger or same-size data types, with the third and fourth lines using casting to do so.

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617 viewsJan 4, 2022 at 10:56

How many lines of the code contain compiler errors?

❌ A. 0
✅ B. 1
❌ C. 2
❌ D. 3
❌ E. 4

Explanation:
The first line contains a compilation error. The value 3 is cast to long. The 1 * 2 value is evaluated as int but promoted to long when added to the 3. Trying to store a long value in an int variable triggers a compiler error. The other lines do not contain any compilation errors, as they store smaller values in larger or same-size data types, with the third and fourth lines using casting to do so.

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