(Java) LeetCode 83. Remove Duplicates from Sorted List —— 删除排序链表中的重复元素 Given a sorted linked list, delete all duplicates such that each element appear onlyonce. Example 1: Input: 1->1->2 Output: 1->2 Example 2: Input: 1->1->2->3->3 Output: 1->2->3 很简单的链...
http://www.programcreek.com/2014/06/leetcode-remove-duplicates-from-sorted-list-ii-java/ 1publicstaticListNode deleteDuplicates(ListNode head){2ListNode t =newListNode(0);3t.next =head;4ListNode p =t;56while(p.next!=null&& p.next.next!=null){7if(p.next.val ==p.next.next.val){8intd...
In the following code, the predicate adds the current element to aHashSet. As aHashSetdoes not allow duplicate items, theadd()method returnsfalsefor them. All such duplicate items are removed from theList, and finally, theListcontains only the unique items. List<Integer>items=newArrayList<>(...
获取有重复值的ArrayList。 从这个ArrayList创建一个新的List。 使用Stream().distinct()方法,返回不同的对象流。 将此对象流转换为List下面是上述方法的实现。// Java program to remove duplicates from ArrayList import java.util.ArrayList; import java.util.Arrays; import java.util.List; import java.util....
* 链接:https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list 1. 2. 3. 4. 5. 6. 7. 8. 9. 这个问题的解法非常简单,只需要定义一个指针然后while循环即可。 public ListNode deleteDuplicates(ListNode head) { ListNode cur = head; ...
2. Remove Duplicates From a List Using Plain Java We can easily remove the duplicate elements from a List with the standard Java Collections Frameworkthrough a Set: public void givenListContainsDuplicates_whenRemovingDuplicatesWithPlainJava_thenCorrect() { ...
*/ public class RemoveDuplicatesfromSortedList { public ListNode deleteDuplicates(ListNode head) { if(head==null){ return head; } ListNode result = new ListNode(-1); result.next = head; while(head.next!=null){ if(head.next.val==head.val){ ...
List 的contains()方法底层实现使用对象的equals方法去比较的,其实重写equals()就好,但重写了equals最好将hashCode也重写了。 可以参见:http://stackoverflow.com/questions/30745048/how-to-remove-duplicate-objects-from-java-arraylist https://jb51.net/article/243751.htm ...
一、去除List中重复的String public List<String> removeStringListDupli(List<String> stringList) { Set<String> set = new LinkedHashSet<>(); set.addAll(stringList); stringList.clear(); stringList.addAll(set); return stringList; } 1. ...
然后递增 ii,接着我们将再次重复相同的过程,直到 jj 到达数组的末尾为止。...(nums) Remove Duplicates from Sorted Array II 题目大意在 Remove Duplicates from Sorted Array(从一个有序的数组中去除重复的数字...,返回处理后的数组长度) 的基础上,可以使每个数字最多重复一次,也就是说如果某一个数字的...