| // Copyright (c) 2017, the R8 project authors. Please see the AUTHORS file | 
 | // for details. All rights reserved. Use of this source code is governed by a | 
 | // BSD-style license that can be found in the LICENSE file. | 
 | package atomicfieldupdater; | 
 |  | 
 | import java.util.concurrent.atomic.AtomicIntegerFieldUpdater; | 
 | import java.util.concurrent.atomic.AtomicLongFieldUpdater; | 
 | import java.util.concurrent.atomic.AtomicReferenceFieldUpdater; | 
 |  | 
 | public class Main { | 
 |   public static void main(String[] args) throws Exception { | 
 |     A a = new A(); | 
 |     AtomicIntegerFieldUpdater<A> iUpdater = AtomicIntegerFieldUpdater.newUpdater(A.class, "i"); | 
 |     iUpdater.set(a, 8); | 
 |  | 
 |     AtomicLongFieldUpdater<A> lUpdater = AtomicLongFieldUpdater.newUpdater(A.class, "l"); | 
 |     lUpdater.set(a, 8L); | 
 |  | 
 |     AtomicReferenceFieldUpdater<A, Object> oUpdater = | 
 |         AtomicReferenceFieldUpdater.newUpdater(A.class, Object.class, "o"); | 
 |     oUpdater.set(a, null); | 
 |   } | 
 | } |