属于java线程安全的API是_javaapi 中，和线程安全相关的一些内容

javaapi 中，和线程安全相关的一些内容 StringBuffer 是线程安全的， 里面的方法用了synchronized 修饰，也就是单线程的 http://topic.csdn.net/u/20100827/08/1e7f38d4-3b8e-4c1d-8339-667b497001be.html 查了一下 doc 文件，里面有 synchronized 的文档如下： D:\java\doc\html_zh_CN\constant-values.html D:\java\doc\html_zh_CN\serialized-form.html D:\java\doc\html_zh_CN\index-files\index-12.html D:\java\doc\html_zh_CN\index-files\index-18.html D:\java\doc\html_zh_CN\index-files\index-19.html D:\java\doc\html_zh_CN\index-files\index-3.html D:\java\doc\html_zh_CN\index-files\index-9.html D:\java\doc\html_zh_CN\java\awt\AWTEventMulticaster.html D:\java\doc\html_zh_CN\java\awt\EventQueue.html D:\java\doc\html_zh_CN\java\awt\MediaTracker.html D:\java\doc\html_zh_CN\java\beans\beancontext\BeanContextServicesSupport.html D:\java\doc\html_zh_CN\java\beans\beancontext\BeanContextSupport.html D:\java\doc\html_zh_CN\java\io\class-use\Serializable.html D:\java\doc\html_zh_CN\java\lang\Object.html D:\java\doc\html_zh_CN\java\lang\ThreadLocal.html D:\java\doc\html_zh_CN\java\lang\class-use\Object.html D:\java\doc\html_zh_CN\java\lang\reflect\Method.html D:\java\doc\html_zh_CN\java\lang\reflect\Modifier.html D:\java\doc\html_zh_CN\java\security\cert\CertStoreSpi.html D:\java\doc\html_zh_CN\java\util\ArrayList.html D:\java\doc\html_zh_CN\java\util\EnumMap.html D:\java\doc\html_zh_CN\java\util\EnumSet.html D:\java\doc\html_zh_CN\java\util\HashMap.html D:\java\doc\html_zh_CN\java\util\HashSet.html D:\java\doc\html_zh_CN\java\util\IdentityHashMap.html D:\java\doc\html_zh_CN\java\util\LinkedHashMap.html D:\java\doc\html_zh_CN\java\util\LinkedHashSet.html D:\java\doc\html_zh_CN\java\util\LinkedList.html D:\java\doc\html_zh_CN\java\util\Random.html D:\java\doc\html_zh_CN\java\util\TreeMap.html D:\java\doc\html_zh_CN\java\util\TreeSet.html D:\java\doc\html_zh_CN\java\util\WeakHashMap.html D:\java\doc\html_zh_CN\java\util\class-use\Collection.html D:\java\doc\html_zh_CN\java\util\class-use\HashMap.html D:\java\doc\html_zh_CN\java\util\class-use\List.html D:\java\doc\html_zh_CN\java\util\class-use\Map.html D:\java\doc\html_zh_CN\java\util\class-use\Set.html D:\java\doc\html_zh_CN\java\util\class-use\SortedMap.html D:\java\doc\html_zh_CN\java\util\class-use\SortedSet.html D:\java\doc\html_zh_CN\java\util\concurrent\CopyOnWriteArraySet.html D:\java\doc\html_zh_CN\java\util\concurrent\Executor.html D:\java\doc\html_zh_CN\java\util\concurrent\package-summary.html D:\java\doc\html_zh_CN\java\util\concurrent\Semaphore.html D:\java\doc\html_zh_CN\java\util\concurrent\TimeUnit.html D:\java\doc\html_zh_CN\java\util\concurrent\locks\Condition.html D:\java\doc\html_zh_CN\java\util\concurrent\locks\Lock.html D:\java\doc\html_zh_CN\java\util\concurrent\locks\package-summary.html D:\java\doc\html_zh_CN\java\util\concurrent\locks\package-use.html D:\java\doc\html_zh_CN\java\util\concurrent\locks\ReentrantLock.html D:\java\doc\html_zh_CN\java\util\concurrent\locks\class-use\Lock.html D:\java\doc\html_zh_CN\javax\net\ssl\SSLEngine.html D:\java\doc\html_zh_CN\javax\print\attribute\AttributeSetUtilities.html D:\java\doc\html_zh_CN\javax\print\attribute\class-use\AttributeSet.html D:\java\doc\html_zh_CN\javax\print\attribute\class-use\DocAttributeSet.html D:\java\doc\html_zh_CN\javax\print\attribute\class-use\PrintJobAttributeSet.html D:\java\doc\html_zh_CN\javax\print\attribute\class-use\PrintRequestAttributeSet.html D:\java\doc\html_zh_CN\javax\print\attribute\class-use\PrintServiceAttributeSet.html D:\java\doc\html_zh_CN\javax\xml\validation\SchemaFactory.html D:\java\doc\html_zh_CN\org\omg\CORBA\package-summary.html