"1 不是每一个 case 都需要包含 break。如果 case 语句为空,则可以不包含 break,控制流将会继续后续的 case,直到遇到break为止。<br>char grade = 'C'; switch (grade) { case 'A': case 'B': case 'C': Console.WriteLine(""CCC""); break; case 'D': Console.WriteLine(""DDD""); break; default: Console.WriteLine(""无效的成绩""); break; }<br>无论grad =A或B或C都输出CCC<br>2 如果 case 语句中有处理语句,则必须包含 break 或其他跳转语句。<br>char grade = 'A'; switch (grade) { case 'A': Console.WriteLine(""AAA""); case 'B': case 'C': Console.WriteLine(""CCC""); break; case 'D': Console.WriteLine(""DDD""); break; default: Console.WriteLine(""无效的成绩""); break; }<br>提示错误:控制不能从一个case标签(""case 'A':"")贯穿到另一个case标签<br>3 一个 switch 语句可以有一个可选的 default case,出现在 switch 的结尾。"
版权声明:本文为博主原创文章,遵循 CC 4.0 BY-SA版权协议,转载请附上原文出处链接和本声明。<br>版权<br>Follow the steps.<br>1. Press the win + R combination on your keyboard.<br>2. Type “control userpasswords2” then click on ok.<br>3. Make the UAC Affirmation.<br>4. Now switch to Users tab. Uncheck the option “Users must enter a user name and passwordto use this computer”.<br>5. Click on Apply. Now in Automatically sign in window type your password and confirm it.<br>6. Click on OK and that’s it. Now whenever you open windows, you will be automatically sign in.<br><img><br><img><br><img><br><img><br><img><br><img><br><img><br><img><br>收藏<br><img><br>一键三连<br><img><br>扫一扫,分享海报<br><img><br><img><br><img><br><img><br><img><br>运行命令:netplwiz 运行命令:regedit 在地址栏输入:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\PasswordLess\Device 后回车 双击:DevicePasswordLessBuildVersion 把值改成0确定! 现在我们再进去就可以看到了 ...<br><img><br><img><br><img><br><img><br>