print arraylist element?

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日久生厌
日久生厌 2021-01-11 13:59

how do i print the element \"e\" in arraylist \"list\" out?

 ArrayList list = new ArrayList();
 Dog e = new Dog();
 list.add(e);
 Syste         


        
7条回答
  •  醉梦人生
    2021-01-11 14:34

    You should override toString() method in your Dog class. which will be called when you use this object in sysout.

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