Java tutorial
/* * Copyright 2015 devbury LLC * * 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. */ package devbury.dewey.core.web; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import javax.annotation.PostConstruct; import java.time.Instant; import java.time.temporal.ChronoUnit; @Controller public class Main { private Instant startTime; @RequestMapping("/") public String index(Model model) { model.addAttribute("minutes", ChronoUnit.MINUTES.between(startTime, Instant.now())); return "core/index"; } @PostConstruct public void init() { startTime = Instant.now(); } }