To better serve everyone, I would like to report on the main business currently handled by me. For design outsourcing, friends with backend outsourcing needs are welcome to contact me (WeChat ID: ic-backend2018), and of course, if you have resources, you can also introduce them to me, and there will definitely be generous cash rewards … Read more
The SPI (Service Provider Interface) is a built-in service provider discovery mechanism in JDK.It can find service implementations for a specific interface.Demo: public class TestSpi { public static void main(String[] args) throws InstantiationException, IllegalAccessException { ServiceLoader<SpiInterface> load = ServiceLoader.load(SpiInterface.class); Iterator<SpiInterface> iterator = load.iterator(); if (iterator.hasNext()) { SpiInterface next = iterator.next(); next.spiInterFaceMethod("hello"); } } } Interface: … Read more
Today, I will introduce some control programs for single button start-stop (also known as one-click start-stop programs). This involves using a momentary button: press once to turn on a light bulb, press again to turn it off, and repeat… Although this seems like a simple program, many people may struggle to implement it. This topic … Read more