class colorexception extends Exception{}
class whiteexception extends colorexception{}
class blueexception extends whiteexception{}
 
class white{
 
void m1 throws whiteexception(){
throw new blueexception();
}
class a{
public static void main(String args[]){
white w=new white();
try{
w.m1();
}
catch(blueexception e)
{
System.out.println("caught the blue exception");
}
}
}
	

public void something(){
	List list = getArrayList();
	ArrayList list2 = (ArrayList)getArrayList();
}
 
public List getArrayList(){
	ArrayList list = new ArrayList();
	return list;
}