Java tutorial
//package com.java2s; import java.util.HashMap; import java.util.Map; public class Main { public static Map<String, String> DATA_MAP = new HashMap<String, String>(); static final double DENSO_AH = 0.050; static final double DENSO_RAG = 0.050; static final double DENSO_VF = 67.0; public static double densoFormula2() { double rs = 0; double h3 = Double.valueOf(DATA_MAP.get("h3")); double h4 = Double.valueOf(DATA_MAP.get("h4")); double h5 = Double.valueOf(DATA_MAP.get("h5")); rs = h4 + h3 - (h5 - DENSO_VF / 43) + DENSO_AH + DENSO_RAG; return rs; } }