iterating through Enumeration of hastable keys throws NoSuchElementException error

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没有蜡笔的小新
没有蜡笔的小新 2021-02-11 11:50

I am trying to iterate through a list of keys from a hash table using enumeration however I keep getting a NoSuchElementException at the last key in list?

Hasht         


        
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  •  伪装坚强ぢ
    2021-02-11 12:36

    You are calling nextElement twice. Refactor like this:

    while(e.hasMoreElements()){
    
    
    String param = (String) e.nextElement();
    System.out.println(param);
    }
    

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