arr1[3] = 46; // initializing the 4th element of the array arr1 int[] arr2; // declaration arr2 = new int[5]; // then memory allocation int[] arr3 = {1,2,3,4,5 ...
// Time Complexity: O(2N) This is because we traverse the linked list twice: once to push the values onto the // stack, and once to pop the values and update the linked list. Both traversals take O(N) ...