Calculate Tax in java

[toby]

Hi, I need to calculate 15% as a method.
Thanks

[Seemster]

private double taxRate = .15;
public double calcTax(double amount) {
return amount * taxRate;
}

[Swamipsn]

private float tx;
tx = (15/100);
public float cal(float amt)
{
return amt*tx;
}