- class Main { 
- 	public static void-  main ( String[]-  args  ) {
 
- 	    ABC obj = new XYZ(); 
- 	    System- . out- . println(((- XYZ )-  obj )- . getXYZ());
 
- 	} 
- } 
-   
- class  ABC  {  
-     int x = 0;    
-     public int getABC() {   
-         return x; 
-     }   
- } 
-   
- class XYZ extends ABC  {  
-     int y = 0;    
-     public int getXYZ() {   
-         return y; 
-     }   
- } 
-   
- //https://pt.stackoverflow.com/q/453005/101 
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