I have written the following code, i think there is an issue somewhere with the parameters. I can't seem to find it. I am using a custom import which has .getLeftChild() and so on which should be pretty easy to figure out.
ArrayList<E> L = new ArrayList<E>();
BTreeNode<E> n = T.getRoot();
if(n==null) {
return L;
}else{
sisäjärjestysKulku(n, L); <---- refers to missing type <E>
}
return L;
}
private static void sisäjärjestysKulku(BTreeNode <E> n, ArrayList<E> L) { <--
// base case:
if (n == null)
return;
// reduction:
sisäjärjestysKulku(n.getLeftChild(), L);
L.add(n.getElement());
sisäjärjestysKulku(n.getRightChild(),L);
}
How would one fix this so it works. Added arrows to where Eclipse gives me an error. I am hoping for a solution that would keep this structure.
似乎您错过了方法声明中的类型参数,请尝试:
private static <E> void sisäjärjestysKulku(BTreeNode<E> n, ArrayList<E> L) {
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