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Results tagged with algorithm
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user 23445
An algorithm is a sequence of well-defined steps that define an abstract solution to a problem. Use this tag when your issue is related to algorithm design.
1
vote
Accepted
Non-recursive tree traversal
I would not throw NullPointerException; it indicate that you are trying to use a variable which is null. Throw IllegalArgumentException instead; it indicated that arguments provided are not in a legal …
- 34.9k
1
vote
Accepted
Merge 2 arrays, when one is larger and can accomodate smaller
Do not throw NullPointerException when arguments are null. NPE is thrown when you are trying to access properties and methods of null reference. Not when you are checking on some preconditions. Throw …
- 537
1
vote
Flatten iterator for nested list
Your code can end up with StackOverflow exception when you add self reference to the list.
List list = new ArrayList();
list.add(list);
FlattenIterator flattenIterator = new FlattenIterator(list);
wh …
- 537