class Super { 
public int i = 0； 
public Super（String text） { 
i = 1；
} 
} 
public class Sub extends Super { 
public Sub（String text） { 
i = 2； 
} 
 public static void main（String args[]） { 
Sub sub = new Sub（“Hello”）； 
System.out.println（sub.i）； 
} 
} 
What is the result？（）  

class A { 
} 
class Alpha { 
private A myA = new A（）； 
void dolt（ A a ） { 
a = null； 
} 
void tryIt（） { 
dolt（ myA ）； 
} 
} 
Which two statements are correct？（）