Java 31 - thread, contructor

class Sample extends Thread 
{ 
Sample() 
{ 
super(); 
start(); 
} 
public void run() 
{ 
for(int i=0;i<3;i++) 
{ 
try 
{ 
System.out.println(Thread.currentThread().getName()+" - "+i); 
Thread.sleep(1000); 
} 
catch(InterruptedException e) 
{ 
System.out.println("hii");
  } 

} 

} 

} 

class Main 

{ 

public static void main(String[] args) 

{ 

Sample t1=new Sample(); 

for(int i=0;i<3;i++) 

{ 

try 

{ 

System.out.println(Thread.currentThread().getName()+" - "+i); 

Thread.sleep(1000); 

} 

catch(InterruptedException e) 

{ 

System.out.println("hello"); 

} 

} 

} 

}