Problem Definition

• Define interface Calculator with functions like add, subtract, multiply, and divide.

• Define Class BasicCalculator that implements interface Calculator.

• Define Class BasicCalculatorExample that instantiates object for BasicCalculator* and uses the operations.

• Assume the parameters for all operations and return type is double.

• Error condition for division should be taken care.

Test Data

Sample Input 1

86.0
72.0

Sample Output 1

Addition: 158.0
Subtraction: 14.0
Multiplication: 6192.0
Division: 1.1944444444444444

Sample Input 2

26.0
0.0

Sample Output 2

Addition: 26.0
Subtraction: 26.0
Multiplication: 0.0
Division by zero error!
Division: -1.0