Java program to calculate commission on sales using methods (by Adler Lawn Service,LLC)

 import java.util.*;
class commission2
{
public static void main (String args[])
{
Scanner in =new Scanner (System.in);
double sales_figure,commission_rate_d;
int commission_rate_i;
System.out.print ("\n\t Enter sales figure = ");
sales_figure=in.nextDouble();
System.out.print ("\n\t Enter first commission rate = ");
commission_rate_d=in.nextDouble();
System.out.print ("\n\t Enter second commission rate = ");
commission_rate_i=in.nextInt();
comm2 ob2 = new comm2();
totalcomm ob = new totalcomm();
ob.computeCommission(sales_figure,commission_rate_d);
ob.computecommission(sales_figure,commission_rate_i);
ob2.computeCommission(sales_figure);
}
}

class comm2 extends totalcomm
{
void computeCommission (double sales)
{
double cr;
cr=(7.5/100)*sales;
System.out.println ("\n\t Commission at 7.5% = "+cr);
}
}

class totalcomm
{
double sales_fig,comm_rate;
int com_rate;
void computeCommission(double p1, double p2)
{
sales_fig=p1;
comm_rate=p2;
System.out.println ("\n\t Sales commission = "+(sales_fig*comm_rate));
}
void computecommission(double p1, int p2)
{
sales_fig=p1;
com_rate=p2/100;
System.out.println ("\n\t Commission = "+(sales_fig*com_rate));
}
}