Java tutorial
//package com.java2s; /* * Copyright 2016 Crown Copyright * * 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. */ public class Main { public static final boolean sleep(final long millis) { try { if (millis > 0) { Thread.sleep(millis); } } catch (final InterruptedException e) { // It's not an error that we were Interrupted!! Don't log the // exception ! return false; } return true; } public static final boolean sleep(final Long millis) { if (millis != null) { return sleep(millis.longValue()); } return true; } }