Thread Implementation

The code is a simple demonstration of how to create and run threads in Java. It defines a class 'SampleDemo' that implements the 'Runnable' interface. An instance of 'SampleDemo' represents a thread that, when started, continuously prints its name to the console.

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The 'SampleDemo' class has a 'run' method, which is required by the 'Runnable' interface. This method contains the code that will be executed when the thread is run. In this case, it's an infinite loop that prints the name of the thread. The 'start' method is used to create a new Thread object and start it. The 'TestThread' class contains the 'main' method, which creates two 'SampleDemo' objects, each representing a thread, and starts them.


class SampleDemo implements Runnable {
    private Thread t;
    private String threadName;

    SampleDemo(String threadName) {
        this.threadName = threadName;
    }

    @Override
    public void run() {
        while (true) {
            System.out.println(threadName);
        }
    }

    public void start() {
        if (t == null) {
            t = new Thread(this, threadName);
            t.start();
        }
    }
}

public class TestThread {
    public static void main(String[] args) {
        SampleDemo A = new SampleDemo("A");
        SampleDemo B = new SampleDemo("B");
        B.start();
        A.start();
    }
}

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