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简答题 Given the following code, write a line of code that, when inserted at the indicated location, will make the overriding method in Extension invoke the overridden method in class Base on the current object.   class Base {   public void print（　） {   System.out.println("base");   }   }   class Extention extends Base {   public void print（　） {   System.out.println("extension");   // insert line of implementation here   }   }   public class Q294d {   public static void main(String args[]) {   Extention ext = new Extention（　）;   ext.print（　）;   }   }   Fill in a single line of implementation.（）
  • super.print();

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