Public class MyMediator implementations Mediator {
In addition, 10,000 hours is not a promise that can be fulfilled. Some people misunderstand that one can definitely become a master after "10,000 hours". This is a misunderstanding. The real meaning is that all masters and masters must go through a long period of training and will not master XXX in 21 or 30 days. This is the difference between a necessary condition and a sufficient condition.
Intercept a section of network cable and burn it under the network cable with a lighter. If the outer skin of the network cable has flame resistance, the outer skin of the network cable will gradually melt and deform, but it will not burn, and generally there will be no black smoke. If the network cable is fake, or if the outer skin does not have flame resistance, the network cable will be lit in a short time when the lighter is used to burn, and black smoke will be generated and there will be a great taste. This kind of network cable obviously does not meet the safety standards.
