Java Thread and Runnable

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samar

Java Thread and Runnable
1 Answer(s) 2 years and 7 months ago
Posted in : Java Interview Questions

What's the difference between Thread and Runnable types?

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October 27, 2010 at 6:12 PM

Hi,

Here is the answer,

A Java Thread controls the main path of execution in an application. When you invoke the Java Virtual Machine with the java command, it creates an implicit thread in which to execute the main() method. The Thread class provides a mechanism for the first thread to start-up other threads to run in parallel with it.

The Runnable interface defines a type of class that can be run by a thread. The only method it requires is run(), which makes the interface very easy to fulfil by extending existing classes. A runnable class may have custom constructors and any number of other methods for configuration and manipulation.

Thanks.

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