数组Java 的相关内容

怎么创建多线程数组java

在Java中创建多线程数组可以使用多种方法，以下是一种常见的方法：创建一个类，继承Thread类，并在类中声明一个数组作为成员变量。 public class MyThread extends Thread { private int[] array; public MyThread(int[] ...

在排序数组中查找元素的第一个和最后一个位置(Java详解)

一、题目描述给你一个按照非递减顺序排列的整数数组 nums，和一个目标值 target。请你找出给定目标值在数组中的开始位置和结束位置。如果数组中不存在目标值 target，返回 [-1, -1]。你必须设计并实现时间复杂度为 O(log n) 的算法解决此问题。示例：输入：nums = ...

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350. 两个数组的交集 II --力扣 --JAVA

题目给你两个整数数组 nums1 和 nums2 ，请你以数组形式返回两数组的交集。返回结果中每个元素出现的次数，应与元素在两个数组中都出现的次数一致（如果出现次数不一致，则考虑取较小值）。可以不考虑输出结果的顺序。解题思路对两个数组进行排序整理；从索引0开始对数组进行遍历，创建List...

给定一个字符串数组，如何找到其中最长的回文子串？要求：编写一个Java函数，输入一个字符串数组，输出其中最长的回文子串。要求时间复杂度为O(n^2)。可以考虑使用动态规划或中心扩展的方法来优化算法。

在Java中，我们可以使用动态规划的方法来解决这个问题。下面是具体的代码实现： public class Solution { public String longestPalindrome(String[] strs) { if (strs == null || strs.length == 0)...

《代码随想录》刷题笔记——数组篇【java实现】

*二分查找题目链接https://leetcode.cn/problems/binary-search/左闭右闭区间实现时间复杂度：O(log n)空间复杂度：O(1)/** * 左闭右闭写法 * * @param nums * @param target * @return */ public s...

两个数组的交集-C语言/Java

描述给定两个数组 nums1 和 nums2 ，返回它们的交集。输出结果中的每个元素一定是唯一的。我们可以不考虑输出结果的顺序。（1 <= nums1.length, nums2.leng...

寻找数组的中心下标-C语言/Java

描述数组中心下标是数组的一个下标，其左侧所有元素相加的和等于右侧所有元素相加的和。如果中心下标位于数组最左端，那么左侧数之和视为 0 ，因为在下标的左侧不存在元素。这一点对于中心下...

数组掌握秘籍：Java数组进阶指南

1. 数组概述数组是一种用于存储多个相同类型元素的数据结构，它具有连续的内存空间和相同的数据类型。数组可以在内存中保存多个相同类型的值，并通过索引进行访问和操作。2. 一维数组一维数组是最简单的数组形式，它只包含一个维度。一维数组可以存储多个相同类型的元素。2.1 创建一维数组Java中创建一维数组...

【技术分享-真题实战】找出前缀异或的原始数组（Java）

题目详情给你一个长度为 n 的整数数组 pref 。找出并返回满足下述条件且长度为 n 的数组 arr ：pref[i] = arr[0] ^ arr[1] ^ ... ^ arr[i].注意 ^...

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