public String prepOperand(String label,DataType dt,ValueType vt){
  StringBuilder sb=new StringBuilder();
  sb.append(label);
  sb.append(Lop.DATATYPE_PREFIX);
  sb.append(dt);
  sb.append(Lop.VALUETYPE_PREFIX);
  sb.append(vt);
  return sb.toString();
}

public String prepOperand ( String label , DataType dt , ValueType vt ) { StringBuilder sb = new StringBuilder ( ) ; sb . append ( label ) ; sb . append ( Lop . DATATYPE_PREFIX ) ; sb . append ( dt ) ; sb . append ( Lop . VALUETYPE_PREFIX ) ; sb . append ( vt ) ; return sb . toString ( ) ; }
method to prepare instruction operand with given parameters .
