官方讲解
https://www.youtube.com/watch?vcsYtPidvvFQ
Task1 Introducing LAN Topologies局域网拓扑介绍
Local Area Network (LAN) Topologies局域网 (LAN) 拓扑
Over the years, there has been experimentation and implementation of various network designs. In re…
变量变量的声明Kotlin使用var,val来声明变量,注意:Kotlin不再需要;来结尾var 可变变量,对应java的非final变量var b 1val不可变变量,对应java的final变量val a 1两种变量并未声明类型,这是因为Kotlin存在…