Commit 92cf51a

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Add Solution2.java for 0083.Remove Duplicates from Sorted List

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	`1`	`+/**`
	`2`	`+ * Definition for singly-linked list.`
	`3`	`+ * public class ListNode {`
	`4`	`+ * int val;`
	`5`	`+ * ListNode next;`
	`6`	`+ * ListNode(int x) { val = x; }`
	`7`	`+ * }`
	`8`	`+ */`
	`9`	`+class Solution {`
	`10`	`+ public ListNode deleteDuplicates(ListNode head) {`
	`11`	`+ ListNode current = head;`
	`12`	`+ while (current != null && current.next != null) {`
	`13`	`+ if (current.next.val == current.val) {`
	`14`	`+ current.next = current.next.next;`
	`15`	`+ } else {`
	`16`	`+ current = current.next;`
	`17`	`+ }`
	`18`	`+ }`
	`19`	`+ return head;`
	`20`	`+ }`
	`21`	`+}`

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