Locking Objects for Exclusive Use

Q

Can Java object be locked down for exclusive use by a given thread?

✍: FYIcenter

A

Yes. You can lock an object by putting it in a "synchronized" block. The locked object is inaccessible to any thread other than the one that explicitly claimed it.

2007-03-03, 7730👍, 0💬

💬 2016-06-25 Ron: You can also create an anonymous class and run it: Thread t = new Thread() { public void run() { // do whatever you want } }; t....

💬 2013-10-02 drinkin: This unmistakably created an audience for books fact that consciously offered the grand design models

💬 2013-07-23 XRumerTest: Hello. And Bye.

(More comments ...)

Multi-Threading
How does multi-threading take place on a computer with a single CPU? The operating system's task scheduler allocates execution time to multiple tasks. By quickly switching between executing tasks, it creates the impression that tasks execute sequentially. 2007-03-03, 8814👍, 0💬

What Is Thread
What is thread? A thread is an independent path of execution in a system. 2007-03-03, 8666👍, 0💬

List of Waiting Threads on an Object
Can each Java object keep track of all the threads that want to exclusively access to it? 2007-03-03, 7796👍, 0💬

Locking Objects for Exclusive Use
Can Java object be locked down for exclusive use by a given thread? Yes. You can lock an object by putting it in a "synchronized" block. The locked object is inaccessible to any thread other than the one that explicitly claimed it. 2007-03-03, 7731👍, 0💬

J2SDK 1.5 and J2SDK 5.0
What's the difference between J2SDK 1.5 and J2SDK 5.0? There is no difference, Sun Microsystems just re-branded this version. 2007-03-03, 7567👍, 0💬

States of a Thread
What are the high-level thread states? The high-level thread states are ready, running, waiting, and dead. 2007-03-03, 7425👍, 0💬

Order of Exception Catch Clauses
Does it matter in what order catch statements for FileNotFoundException and IOExceptipon are written? Yes, it does. The FileNoFoundException is inherited from the IOException. Exception's subclasses have to be caught first. 2007-03-03, 7155👍, 0💬

wait(), notify() and notifyAll() Methods
What is the purpose of the wait(), notify(), and notifyAll() methods? The wait(),notify(), and notifyAll() methods are used to provide an efficient way for threads to communicate each other. 2007-03-03, 7125👍, 0💬

equals() - String Comparison
What would you use to compare two String variables - the operator == or the method equals()? You can use operator == and method equals() for different types of comparisons: Using operator == to compare two string variables to see if they point the same String object. Using equals() to compare two st... 2007-03-03, 7095👍, 0💬

All rights in the contents of this web site are reserved by the individual author. fyicenter.com does not guarantee the truthfulness, accuracy, or reliability of any contents.