Java program to extends the Thread class
Codeaft.java
class Codeaft extends Thread
{  
    public void run()
    {  
        System.out.println("Thread Running...");  
    }  
    public static void main(String args[])
    {  
        Codeaft c=new Codeaft();  
        c.start();  
    }  
}
Output
codeaft@codeaft:~$ javac Codeaft.java
codeaft@codeaft:~$ java Codeaft
Thread Running...
codeaft@codeaft:~$
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