Java tutorial
/* * Copyright (C) 2013 The Guava Authors * * 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 com.google.common.util.concurrent; import com.google.common.annotations.Beta; import com.google.common.annotations.GwtCompatible; /** * Static utility methods pertaining to the {@link Runnable} interface. * * @since 16.0 */ @Beta @GwtCompatible public final class Runnables { private static final Runnable EMPTY_RUNNABLE = new Runnable() { @Override public void run() { } }; /** * Returns a {@link Runnable} instance that does nothing when run. */ public static Runnable doNothing() { return EMPTY_RUNNABLE; } private Runnables() { } }