How does multi-threading take place on a computer with a single CPU?

Q

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A

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.

2012-06-08, 2439👍, 0💬

How does multi-threading take place on a computer with a single CPU?
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. 2012-06-08, 2440👍, 0💬

Does it matter in what order catch statements for FileNotFoundException and IOExceptipon are written?
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. 2012-06-13, 2361👍, 0💬

What is the preferred size of a component?
What is the preferred size of a component? The preferred size of a component is the minimum component size that will allow the component to display normally. 2012-06-06, 2350👍, 0💬

Can each Java object keep track of all the threads that want to exclusively access to it?
Can each Java object keep track of all the threads that want to exclusively access to it? Yes. Use Thread.currentThread() method to track the accessing thread. 2012-06-13, 2346👍, 0💬

What is multi-threading?
What is multi-threading? Multi-threading means various threads that run in a system. 2012-06-08, 2346👍, 0💬

How to create a thread in a program?
How to create a thread in a program? You have two ways to do so. First, making your class "extends" Thread class. Second, making your class "implements" Runnable interface. Put jobs in a run() method and call start() method to start the thread. 2012-06-11, 2339👍, 0💬

What invokes a thread's run() method?
What invokes a thread's run() method? After a thread is started, via its start() method of the Thread class, the JVM invokes the thread's run() method when the thread is initially executed. 2012-06-14, 2320👍, 0💬

What would you use to compare two String variables - the operator == or the method equals()?
What would you use to compare two String variables - the operator == or the method equals()? I'd use the method equals() to compare the values of the Strings and the == to check if two variables point at the same instance of a String object. 2012-06-07, 2320👍, 0💬

Can Java object be locked down for exclusive use by a given thread?
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. 2012-06-11, 2273👍, 0💬

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