Option 1: Make a list which implements Comparable and s开发者_如何学Cort it using collections.sort(List l) every time you add a value.
The problem is as follows: Write a static method subsets that uses recursive backtracking to find every possible sub-list of a given list. A sub-list of a list L contains 0 or more of L\'s elements.
public ReversibleIterator iterator(); can anyone help me make this method? ill put up what i have done so far
Is there a way to remove a dom element from the document, but save it as a variable? I\'m guessing I have to save the clone as a var, and then remove the original?
加载中,请稍侯......