1 class main { main(String[] args)2 static public void main(String[] args) { 3 Petsc.InitializeNoArguments(); 4 Vec x = new Vec(); 5 PetscViewer v = new PetscViewer(); 6 x.SetSizes(2,2); 7 x.SetFromOptions(); 8 x.Set(2.0); 9 v.SetType("ascii"); 10 x.View(v); 11 Petsc.Finalize(); 12 }; 13 } 14