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public void run() {}

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• By implementing Runnable interface, you need to provide implementation for run() method.
• To run this implementation class, create a Thread object, pass Runnable implementation class object to its constructor. Call start() method on thread class to start executing run() method.
• Implementing Runnable interface does not create a Thread object, it only defines an entry point for threads in your object. It allows you to pass the object to the Thread(Runnable implementation) constructor.Following example explains how to implement run method

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public void run()

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As Runnable interface is implemented for implementing Threading in java code and if this interface is implemented then one must override the method present in this interface which is public void run() which is used to define the functionality of the child thread.

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public void run() {}

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Public void run()

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public void run().. All you've done is declare a run() method unrelated to the Thread . ... But that just calls Thread 's run() method, which does nothing. public void run() If this thread was constructed using a separate Runnable run object, then that Runnable object'srun method is called; otherwise, this method does nothing and returns.

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To implement the Thread based implementation application we need to use Runnable interface which is in java.lang package. This interface is having only one method that is run() method which does not take any parameter and does not return any value. In this method we write the code what a thread has to do. This method will be called implicitely by start() method of Thread.

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Any class implementing the java.lang.Runnable interface must define run() method.

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public void run()

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