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      Question

      What will the following Java code snippet output when

      executed, which uses a simple constructor and method overloading ? class Calculator {     int add ( int a, int b) {         return a + b;     }     double add ( double a, double b) {         return a + b;     }     public static void main (String[] args) {         Calculator calc = new Calculator ();         System.out.println(calc.add( 5 , 10 ));      // Line 1         System.out.println(calc.add( 5.5 , 10.5 ));  // Line 2     }}                             
      A 15, 16.0 Correct Answer Incorrect Answer
      B 15.0, 16.0 Correct Answer Incorrect Answer
      C 15, 16 Correct Answer Incorrect Answer
      D 10, 10 Correct Answer Incorrect Answer
      E Compilation error due to method overloading Correct Answer Incorrect Answer

      Solution

      In this example, the Calculator class defines two add() methods with the same name but different parameter types: one for integers and another for doubles. This is an example of method overloading . Let's examine why A is the correct answer and the other options are incorrect:

      • Explanation of Correct Option (A):
        • The method add(int a, int b) accepts integers and returns an integer result. When calc.add(5, 10)

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