The first, [:], is creating a slice (normally often used for getting just part of a list), which happens to contain the entire list, and thus is effectively a copy of the list. The second, list(), is using the actual …

List<int> list = new List<int>(); list.Add(6); List.Add(8); I know that in a List you can have the generic type so you can pass in any type that you cannot do in an Array but my exact questions are: Where would …

The first way works for a list or a string; the second way only works for a list, because slice assignment isn't allowed for strings. Other than that I think the only difference is speed: it looks like it's a little …

Apr 27, 2013 · I have a List of Double objects in Java. I want to sort the ArrayList in descending order. Input ArrayList:

Jul 19, 2014 · You can access the elements in a list-of-lists by first specifying which list you're interested in and then specifying which element of that list you want. For example, 17 is element 2 in list 0, …

The notation List<?> means "a list of something (but I'm not saying what)". Since the code in test works for any kind of object in the list, this works as a formal method parameter. Using a type parameter …

Jan 12, 2009 · A List uses an internal array to handle its data, and automatically resizes the array when adding more elements to the List than its current capacity, which makes it more easy to use than an …

If your list of lists comes from a nested list comprehension, the problem can be solved more simply/directly by fixing the comprehension; please see How can I get a flat result from a list …

Nov 1, 2011 · How can I check if a list has any duplicates and return a new list without duplicates?

A list is a collection of zero or more values, each of the same data type, such as a list of numbers, a list of names, a list of email addresses, or a list of rows A list expression is an expression that produces …