Vector v = new Vector();
v.add(new ShortConstant(sn1));
Expression e1 = new Ceiling(v,true);
v.clear();
v.add(new IntegerConstant(in1));
Expression e2 = new Ceiling(v,true);
v.clear();
v.add(new LongConstant(ln1));
Expression e3 = new Ceiling(v,true);