Java Programming - Declarations and Access Control - Discussion

class Super 
{ 
    public Integer getLength() 
    {
        return new Integer(4); 
    } 
} 

public class Sub extends Super 
{ 
    public Long getLength() 
    {
        return new Long(5); 
    } 

    public static void main(String[] args) 
    { 
        Super sooper = new Super(); 
        Sub sub = new Sub(); 
        System.out.println( 
        sooper.getLength().toString() + "," + sub.getLength().toString() ); 
    } 
}

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