❌ A. 2 ❌ B. 4 ❌ C. 6 ❌ D. The code will not compile because of line 5 ✅ E. The code will not compile because of line 6 ❌ F. The code will not compile because of line 8
Explanation: The code doesn’t compile because line 6 contains an incompatible override of the getNumberOfGills(int input) method defined in the Aquatic interface. In particular, int and String are not covariant returns types, since int is not a subclass of String. Note that line 5 compiles without issue; getNumberOfGills() is an overloaded method that is not related to the parent interface method that takes an int value.
❌ A. 2 ❌ B. 4 ❌ C. 6 ❌ D. The code will not compile because of line 5 ✅ E. The code will not compile because of line 6 ❌ F. The code will not compile because of line 8
Explanation: The code doesn’t compile because line 6 contains an incompatible override of the getNumberOfGills(int input) method defined in the Aquatic interface. In particular, int and String are not covariant returns types, since int is not a subclass of String. Note that line 5 compiles without issue; getNumberOfGills() is an overloaded method that is not related to the parent interface method that takes an int value.
BY Explanations “Top Java Quiz Questions”
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