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    public class Father
    {
             public void speak()
             {
               System.out.println("Father");
             }                  
    }
   public class Son extends Father
    {
             public void speak()
             {
               System.out.println("son");
             }                  
    }
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    {
          fianl   public void speak()
             {
               System.out.println("Father");
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