Java list方法的相关内容

Java的List，如何删除重复的元素，教你三个方法搞定！

当我们在Java中使用List时，有时候需要从列表中删除重复的元素。这可以通过以下几种方法来实现：方法1: 使用HashSetHashSet是一种无序的集合，它不允许重复元素存在。因此，我们可以使用HashSet来删除List中的重复元素。具体步骤如下：List<String> list...

Java List的remove（）方法陷阱

Java的List在删除元素时，一般会用list.remove(o)/remove(i)方法。在使用时，容易触碰陷阱，得到意想不到的结果。总结以往经验，记录下来与大家分享。首先初始化List，代码如下：package com.cicc.am.test; import java.util...

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【Java系列】List数据去重的五种有效方法

1:使用java8新特性stream进行List去重（distinct()方法）public static List<String> delRepeat(List<String> list) { List<String> myList = list.stream...

Java中List集合概述、特点、特有方法、案例及List集合子类的特点

一、List集合概述和特点List集合概述：有序集合（也称为序列），用户可以精确控制列表中每个元素的插入位置，用户可以通过整数索引访问元素，并搜索列表中的元素List集合特点：有索引可以存储重复元素元素存取有序二、List集合的特有方法方法名描述void add(int index,E ...

【Java系列】List数据去重的五种有效方法

目录1:使用java8新特性stream进行List去重（distinct()方法）2，借助Set的特性进行去重（set和list转换去重）3，遍历List集合,将元素添加到另一个List集合中4，利用set集合特性保持顺序一致去重5，使用list自身方法remove()–>.....

Java——集合中的List接口通过LinkedList类实现一些常用的方法

任何复杂的知识往往给人的感觉都是那么的不友好，所以，一定要静下心来，耐心去看、去读、去理解这些东西！！！ 1.开篇https://blog.csdn.net/weixin_43823808/article/details/107297465 https://blog.csdn.net/w...

Java——集合中的List接口通过ArrayList类实现一些常用的方法

任何复杂的知识往往给人的感觉都是那么的不友好，所以，一定要静下心来，耐心去看、去读、去理解这些东西！！！ 1.开篇https://blog.csdn.net/weixin_43823808/article/details/107297465 承接上一篇博文（链接如下）的相关内容...

【小家java】Java中集合List、Set、Map删除元素的方法大总结（避免ConcurrentModificationException异常）（下）

要了解这个为什么报错，我们需要知道两点：1、增强for循环到额原理是什么？为了给大家解释清楚这个问题，我特意找到了.class文件，让大家看看增强for的真身：看到编译后的代码，我们发现底层还是有迭代器实现的，并且，并且，并且，你会发现它调用的...

【小家java】Java中集合List、Set、Map删除元素的方法大总结（避免ConcurrentModificationException异常）（上）

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Java 中初始化 List 的五种方法是什么呢？

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更新时间 2024-03-15 11:42:19

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