1: public class MathFunctions { 2: public static void addToInt(int x, int amountToAdd) { 3: x = x + amountToAdd; 4: } 5: public static void main(String[] args) { 6: int a = 15; 7: int b = 10; 8: MathFunctions.addToInt(a, b); 9: System.out.println(a); } }
❌ A. 10 ✅ B. 15 ❌ C. 25 ❌ D. Compiler error on line 3. ❌ E. Compiler error on line 8. ❌ F. None of the above.
Explanation: The code compiles successfully, so options D and E are incorrect. The value of a cannot be changed by the addToInt method, no matter what the method does, because only a copy of the variable is passed into the parameter x. Therefore, a does not change and the output on line 9 is 15.
1: public class MathFunctions { 2: public static void addToInt(int x, int amountToAdd) { 3: x = x + amountToAdd; 4: } 5: public static void main(String[] args) { 6: int a = 15; 7: int b = 10; 8: MathFunctions.addToInt(a, b); 9: System.out.println(a); } }
❌ A. 10 ✅ B. 15 ❌ C. 25 ❌ D. Compiler error on line 3. ❌ E. Compiler error on line 8. ❌ F. None of the above.
Explanation: The code compiles successfully, so options D and E are incorrect. The value of a cannot be changed by the addToInt method, no matter what the method does, because only a copy of the variable is passed into the parameter x. Therefore, a does not change and the output on line 9 is 15.
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