Multithreading Program in Java

class merathread implements Runnable
{
int i,sum=0;
Thread th;
merathread()
{
th=new Thread(this,"My thread 2");
System.out.println("Thread name is"+th.getName());
th.start();

}
public void run()
{
System.out.println("Thread name is"+th.getName());
for(int i=0;i<10;i++)
{
Thread.sleep(2000);
}

}
}