5. Write down the insertBefore method which inserts a new element in the list before the node containing the given element. The method takes as parameters a dummy headed doubly linked circular list, the element existing in the list and new element to be added. public void insertBefore (Node head, Object elem, Object new Element){ //to do } OR def insertBefore (head, elem, newElement): pass insertBefore (head, 3, 50) Sample Input 0 x 1 से 2 से 3 से 40 Sample Output 0x1250 340

How is an array stored in main memory? How is a linked list stored in main memory? What are their comparative advantages and disadvantages? Give examples of data that would be best stored as an array and as a linked list.

What happens to the existing rows of a table if the DEFAULT value of a column is changed?

Write an Add method that adds the contents of the decPrice variable to the lstPrices control.