java语言反转字符串

专栏丨华为HN8145XR光猫获取超级管理员密码 摘要:本文详细介绍了华为HN8145xr光猫获取超级管理员权限的完整步骤。首先通过ONT使能工具补全shell,然后利用Telnet登录光猫后台进行操作。文章提供了多种获取超级密码的方法,包括配置文件解密、一键查询工具等,并针对联通光猫特别说明了默认密码格式(CUAdmin+后八位数字)。此外,还介绍了恢复出厂设置、修改SSID等实用操作,帮助用户完全掌控光猫设备。文末附有详细的命令行操作指南,适合有一定技术基础的用户参考。 阅读详情

代码如下:

package LetCode;

public class reverseString {
/*
 * 反转字符串
 */
	public void reverseString(char[]Char) {
		int left=0;
		int right=Char.length-1;
		char temp;
		while(left<right) {
			temp=Char[left];
			Char[left++]=Char[right];
			Char[right--]=temp;
		}
	}
	public static  void main (String[]args) {
		char[] Char= {'h','e','l','l','0'};
		reverseString rev=new reverseString();
		rev.reverseString(Char);
		System.out.println(Char);//字符串可以直接输出
	}
}
单片机如何获得5V电源 在单片机实际设计中,有时会需要在电路中用到5V电压源,那么这个常见的实验需求有哪些办法解决呢,我综合网上的资料,概括一下: 1)USB    这种方法在我们直接将单片机板与电脑连接调试的时候,算是简单又方便的办法了,但如果我所要得到的成品不直接连接外部的器件,这就得舍弃。     常用的,USB/5V插头线,这是一种专门的电源线,一端是USB通用接口,可以直插USB端口,另一端是内正外负电压 阅读详情

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