Java tutorial
//package com.java2s; /* * Copyright 2004-2014 the Seasar Foundation and the Others. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, * either express or implied. See the License for the specific language * governing permissions and limitations under the License. */ import java.text.DecimalFormatSymbols; import java.util.Locale; import java.util.Map; import java.util.concurrent.ConcurrentHashMap; public class Main { protected static Map<Locale, DecimalFormatSymbols> symbolsCache = new ConcurrentHashMap<Locale, DecimalFormatSymbols>(); protected static DecimalFormatSymbols getDecimalFormatSymbols(Locale locale) { DecimalFormatSymbols symbols = (DecimalFormatSymbols) symbolsCache.get(locale); if (symbols == null) { symbols = new DecimalFormatSymbols(locale); symbolsCache.put(locale, symbols); } return symbols; } }