在JAVA中，下述代码的执行结果是(     )

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 (); 
        Super sub = new Sub(); 
        System.out.printIn(sooper.getLength()+ "，" + sub.getLength());
    }
}