第三课作业5 8+88+888+....前10项的和

public class hw5{
public static void main(String args[]){
int a;
long x=10,y=0,z=0;
for(a=1;a<=10;a++){
y=y*x+8;
z=z+y;
System.out.println(" ");
System.out.print(y);
System.out.println(" ");
System.out.println(z);
}
}
}