Here you can find the source of mlToOz(Double vol_ml)
public static Double mlToOz(Double vol_ml)
//package com.java2s; import java.text.DecimalFormat; public class Main { private static DecimalFormat df2 = new DecimalFormat("0.00"); public static String mlToOz(String vol_ml) { double vol = Double.parseDouble(vol_ml); return df2.format(vol * 0.0338140225589); }//from w w w .j a v a 2s. com public static Double mlToOz(Double vol_ml) { return vol_ml * 0.0338140225589; } }