{
abstract int compareTo(int a,int b);
}
class Position extends CompareObject
{
int x=1,y=2;
int dvl;
int compareTo(int a, int b)
{
dvl=a+b;
return dvl;
}
}
public class Cha
{
public static void main(String[] args)
{
Position one=new Position();
System.out.println(one.compareTo());
}
2.class Fenshu
{ private int fenzi,fenmu;
Public Fenshu() { fenzi= 1; fenmu= 1;}
public Fenzi(double d)
{ int i;
float f=new float(d);
int temp=1;
String s=f.toString()
for(i=s.length()-1; s.charAt(i)!=‘.’; i--)
{ temp=temp*10;}
fenzi=(int)(d * (double)temp);
fenmu=temp;
}
public Fenshu(int fz,int fm) { fenzi=fz; fenmu=fm;}
public void print() {System.out.println(a + “/”+ b);}
public Fenzi add(Fenshu fs)
{ fenzi * fs.fenmu + fs.fenzi * fenmu;
return new Fenshu(f,m);}
public Fenshu add(int s)
{ return new Fenshu(fenzi+fenmu*n,fenmu);}
public Fenshu add(double d)
{ Fenshu s=new Fenshu(d); return add(s);}
public boolean equle (Fenshu f)
{return ((fenzi)/fenmu)==(f.fenzi/f.fenmu)};}
}