單項(xiàng)選擇題

class super { 
public int getLength()  {return 4;} 
} 
public class Sub extends Super { 
public long getLength() {return 5;} 
public static void main (String[]args)  { 
super sooper = new Super (); 
Sub sub = new Sub(); 
System.out.printIn( 
sooper.getLength()+ “,” + sub.getLength()   }; 
} 
What is the output?()  

A. 4, 4
B. 4, 5
C. 5, 4
D. 5, 5
E. The code will not compile.

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