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. 2. 3. 4. 5. 6. 7. 8. 9. 或使用Java8的写法: ...
目录一、去除List中重复的String二、List中对象去重三、根据对象的属性去重参考: 一、去除List中重复的String public ListremoveStringListDupli(ListstringList) { Setset = new LinkedHashSet<>(); set.addAll(stringList); stringList.clear(); stringList.addAll(sukIhkSiSiet); return stringList; } 或使用...
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 很简单的链表问题,可以写成递归和迭代两种形式。具体思路: 第一步,寻找第一个节点值和当前表头所指的节...
http://stackoverflow.com/questions/29670116/remove-duplicates-from-a-list-of-objects-based-on-property-in-java-8
1. UsingCollection.removeIf()to Remove Duplicates from OriginalList TheremoveIf()method removes all of the elements of this collection that satisfy a specifiedPredicate. Each matching element is removed usingIterator.remove(). If the collection’s iterator does not support removal, then anUnsupportedOp...
4. Remove Duplicates From a List Using Java 8 Lambdas Finally, let’s look at a new solution, using Lambdas in Java 8. We’lluse thedistinct()method from the Stream API,which returns a stream consisting of distinct elements based on the result returned by theequals()method. ...
Java 8 examples to count the duplicates in a stream and remove the duplicates from the stream. We will use a List to provide Stream of items.
Given a sorted array nums, remove the duplicates in-place such that each element appear only once and return the new length. Do not allocate extra space for another array, you must do this by modifying the input array in-place with O(1) extra memory. ...
问如何在Java中删除字符串中的相邻重复项ENpublicStringremoveAdjacentDuplicates(String s){StringBuilder ...
lists typically allow pairs of elementse1ande2such thate1.equals(e2), and they typically allow multiple null elements if they allow null elements at all. It is not inconceivable that someone might wish to implement a list that prohibits duplicates, by throwing runtime exceptions when the user ...