6)    input1="abc2012345"
      input2="abc2112660"
      input 3=4
here
"abc**" refers to customer id.
12345 refers to
last month eb reading and 12660 refers to this month eb reading
find the
difference between two readings and multiply it by input3
ie.,
output=(12660-12345)*4
package Set2;
public class ClassSET6
{
public static
void main(String[] args) {
      String input1="abc2012345";
      String input2="abc2112660";
      int input3=4;
      System.out.println(meterReading(input1,input2,input3));
}
public static int
meterReading(String input1, String input2, int input3) {
      int
n1=Integer.parseInt(input1.substring(5, input1.length()));
      int
n2=Integer.parseInt(input2.substring(5, input2.length()));
      int n=Math.abs((n2-n1)*input3);
      return n;
}
}