![]() Remember to import Collections though Here is the documentation for Collections. SyntaxĪdd elements at the particular location, we can write method like this:Īrlist. 1 testList.sort (Comparator.reverseOrder ()) abbas at 12:34 Add a comment 21 Answers Sorted by: 664 Collections.sort (testList) Collections.reverse (testList) That will do what you want. ![]() This method has variations, which is use depends on requirements. To add an element in ArrayList, we can use add( ) method. The type decide which type of elements list will have.Ībove syntax, is accepts int elements. In above syntax, list is of âStringâ type, so the elements are that going to be added to this list will be string type. In Java, we can create ArrayList by creating this simple statement: You must use boxed types like Integer, Character, Boolean etc.ĪrrayList implements the List Interface extends Collection extends Iterable.
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