cstmt.setString(1, name);     // Set Product Name.
      cstmt.setString(2, desc);     // Set Product Description.
      cstmt.setFloat(3, listprice);   // Set Product ListPrice.
      ..........
      cstmt.setFloat(83", minprice);     // Set Product MinPrice.

final class PreparedStatementFacade {
	
	private final PreparedStatement ps;
	
	private final List<Integer> reqaredParam = Arrays.asList(1,2,3,20);
	
	public PreparedStatementFacade(PreparedStatement ps) {
		this.ps = ps;
	}

	/**
	 * Set Product Name
	 * @param name
	 * @throws SQLException
	 */
	public void setName(String name) throws SQLException {
		ps.setString(1, name);
		reqaredParam.remove(1);
	}
	
	/**
	 * Set Product Description.
	 * @param description
	 * @throws SQLException
	 */
	public void setDescription(String description) throws SQLException {
		ps.setString(2, description);
		reqaredParam.remove(2);
	}
	
	private void validate() {
		if (reqaredParam.size()>0) {
			throw new IllegalArgumentException(reqaredParam.toString() + " must be set");
		}
	}
	
	public boolean execute() throws SQLException {
		validate();
		return ps.execute();
	}
	
}