interface Computable{
final int MAX=100;
int f(int x);
public abstract int g(int x,int y);
}
class A implements Computable{
public int f(int x){
return x*x;
}
public int g(int x,int y){
return x+y;
}
}
class B implements Computable{
public int f(int x){
return x*x*x;
}
public int g(int x,int y){
return x*y;
}
}
public class Example5_11{
public static void main(String arg[]){
A a=new A();
B b=new B();
System.out.println(a.MAX);
System.out.println(""+a.f(10)+""+a.g(12,6));
System.out.println(b.MAX);
System.out.println(""+b.f(10)+""+b.g(29,2));
}
}
