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Thread: Casting "null" when and why ?

  1. #1
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    Default Casting "null" when and why ?

    Greeting ,,

    please , i need illustrating to line 6 of this example why do we need to cast null ? whats the benefit ?

    captured example :

    1// @Nullable
    2// public KeyStroke getKeyStroke(String key) {
    3// KeyStroke ks = null;
    4// try {
    5// String s = getStringRecursive(key);
    6// ks = (s == null) ? (KeyStroke) null : KeyStroke.getKeyStroke(s);
    7// } catch (NoSuchElementException e) {
    8// }
    9// return ks;


  2. #2
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    Default Re: Casting "null" when and why ?

    Personally I don't see any reason why you would want to cast it.
    Please use [highlight=Java]//code goes here...[/highlight] tags when posting your code

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    Default Re: Casting "null" when and why ?

    ks = (s == null) ? (KeyStroke) null : KeyStroke.getKeyStroke(s);

    If I saw anyone write code like that they would be on the receiving end of a headslap.
    Improving the world one idiot at a time!

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