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Bookmark or Share- multithreading - Java Synchronized list - Stack OverflowReturns a synchronized (thread-safe) list backed by the specified list. In order to guarantee serial access, it is critical that all access to the backing list is accomplished through the returned list ... It is imperative that the user manually synchronize on the returned list when iterating over it.
- java syntax: "synchronized (this)" - Stack OverflowIn most situations, only one thread can access the "Synchronized(this)" at a time. But this is not always true!! Consider the code below. In my code I synchronized on a static Object as a lock and everything works fine. When I change the code to synchronize on (this) multiple threads are accessing the code at the same time and it messes ...
- Java Singleton and Synchronization - Stack OverflowNow imagine that execution switches back to T1. Now the singleton is created, but T1 has already done the check! It will proceed to make the object again! Making getInstance() synchronized prevents this problem. There a few ways to make singletons thread-safe, but making getInstance() synchronized is probably the simplest.
- java - What does 'synchronized' mean? - Stack OverflowJava synchronized. volatile [About] => synchronized. synchronized block in Java is a monitor in multithreading. synchronized block with the same object/class can be executed by only single thread, all others are waiting.
- What does @synchronized() do as a singleton method in objective C?The @synchronized directive is a convenient way to create mutex locks on the fly in Objective-C code. The @synchronized directive does what any other mutex lock would do—it prevents different threads from acquiring the same lock at the same time. Syntax: @synchronized(key) { // thread-safe code } Example:
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