java.util.Collections.swap() method is a java.util.Collections class method. It swaps elements at the specified positions in given list.
// Swaps elements at positions "i" and "j" in myList. public static void swap(List mylist, int i, int j) It throws IndexOutOfBoundsException if either i or j is out of range.
Original List : Original List : [code, practice, quiz, geeksforgeeks] After swap(mylist, 1, 2) : [code, quiz, practice, geeksforgeeks] After swap(mylist, 3, 1) : [code, geeksforgeeks, practice, quiz]
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