String类的转换功能: package com.itheima_05; /* * String类的转换功能: * char[] toCharArray():把字符串转换为字符数组 * String toLowerCase():把字符串转换为小写字符串 * String toUpperCase():把字符串转换为大写字符串 * * 字符串的遍历: * A:length()加上charAt() * B:把字符串转换为字符数组,然后遍历数组 */ public class StringDemo {…

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Lweb and String Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 368    Accepted Submission(s): 243 Problem Description Lweb has a string S. Oneday, he decided to transform this string to a new s…

Lweb and String 题目链接: http://acm.hdu.edu.cn/showproblem.php?pid=5842 Description Lweb has a string S. Oneday, he decided to transform this string to a new sequence. You need help him determine this transformation to get a sequence which has the longe…

Problem Description Lweb has a string $S$. Oneday, he decided to transform this string to a new sequence. You need help him determine this transformation to get a sequence which has the longest LIS(Strictly Increasing). You need transform every lette…

Problem Description Lweb has a string S. Oneday, he decided to transform this string to a new sequence. You need help him determine this transformation to get a sequence which has the longest LIS(Strictly Increasing). You need transform every letter…

Lweb and String 题目连接: http://acm.hdu.edu.cn/showproblem.php?pid=5842 Description Lweb has a string S. Oneday, he decided to transform this string to a new sequence. You need help him determine this transformation to get a sequence which has the longe…

Lweb and String Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 261    Accepted Submission(s): 174 Problem Description Lweb has a string S. Oneday, he decided to transform this string to a new s…

Base64编码 算法简述 定义 Base64内容传送编码是一种以任意8位字节序列组合的描述形式,这种形式不易被人直接识别. Base64是一种很常见的编码规范,其作用是将二进制序列转换为人类可读的ASCII字符序列,常用在需用通过文本协议(比如HTTP和SMTP)来传输二进制数据的情况下.Base64并不是加密解密算法,尽管我们有时也听到使用Base64来加密解密的说法,但这里所说的加密与解密实际是指编码(encode)和解码(decode)的过程,其变换是非常简单的,仅仅能够避免信息被直接识…

程序集准备 Assembly: Autofac/Autofac.Integration.Mvc/System.Web.Mvc/System.Web.Helpers/System.Web.WebPages.Deployment/System.Web.WebPages/ System.Web.WebPages.Razor 版本: Autofac:3.5.00 Autofac.Integration.Mvc:3.3.0.0 System.Web.Mvc:5.2.3.0 System.Web.Helpe…