Metodi 2

public static ...... aaaa(long d, int e)
{
   return d*e*Math.PI;
}

public static ...... bbbb(......)
{
   int v[]={3, 7, 2};
   return v;
}

public static ...... cccc(......)
{
   double v[]=new double[f];
   return v;
}

public static double dddd(......)
{
   return v[g]+v[h];
}