private void button3_Click(object sender, EventArgs e)
{
InterestCalculator calculatorObject;
if (txtInterestType.Text == "Simple")
{
calculatorObject = new SimpleInterestCalculator();
calculatorObject.calculateInterest();
}
else if (txtInterestType.Text == "Compound")
{
calculatorObject = new CompoundInterestCalculator();
calculatorObject.calculateInterest();
}
else
{
MessageBox.Show("Correct choices are : Simple or Compound");
}
}
private void button2_Click(object sender, EventArgs e)
{
InterestCalculator compObj = new CompoundInterestCalculator();
compObj.calculateInterest();
}