阅读下列程序写结果,为便于系统评判,请将2行运行结果写在同一行,用1个空格分隔,如5 9,请注意。interface Computer{, int computer(int x,int y);}abstract class A{ int computer(int x,int y){return x+y; }}class B extends A implements Computer{ public int computer(int x,int y){return x*y; }}public class F1{ public static void main(String args[]){Computer com=new B();A a=new B();System.out.printf("%d\n",com.computer(2,8));System.out.printf("%d\n",a.computer(10,5)); }}