Java data structures ,thanks

8. For the following linked list, use Integer class to produce a Node with item 99, 20 51 a) write a code segment to insert a node i. at the beginning of the above linked list ii at the location of the Node with item of 51. iii. at the end of the above linked list. b) write a code segmentto delete the node i with item of 20 ii. with item of 51 iii. with item of 84