Explanations “Top Java Quiz Questions”

What is the output of the program?

❌ A. 4-6-6.0
❌ B. 3-5-6
❌ C. 3-6-6
❌ D. 4-5-6
❌ E. The code does not compile because of line 9
✅ F. None of the above

Explanation:
The code does not compile because line 3 contains a compilation error.
The cast (int) is applied to fruit, not the expression fruit + vegetables. Since the cast operator has a higher operator precedence than the addition operator, it is applied to fruit, but the expression is promoted to a float, due to vegetables being float. The result cannot be returned as long in the addCandy() method without a cast. For this reason, option F is correct. If parentheses were added around fruit + vegetables, then the output would be 3-5-6, and option B would be correct. Remember that casting floating point numbers to integral values results in truncation, not rounding.

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601 viewsDec 16, 2021 at 13:25

What is the output of the program?

❌ A. 4-6-6.0
❌ B. 3-5-6
❌ C. 3-6-6
❌ D. 4-5-6
❌ E. The code does not compile because of line 9
✅ F. None of the above

Explanation:
The code does not compile because line 3 contains a compilation error.
The cast (int) is applied to fruit, not the expression fruit + vegetables. Since the cast operator has a higher operator precedence than the addition operator, it is applied to fruit, but the expression is promoted to a float, due to vegetables being float. The result cannot be returned as long in the addCandy() method without a cast. For this reason, option F is correct. If parentheses were added around fruit + vegetables, then the output would be 3-5-6, and option B would be correct. Remember that casting floating point numbers to integral values results in truncation, not rounding.

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