java线程池的实现原理
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java 线程池的实现原理、优点与风险、以及4种线程池实现
为什么需要线程池 我们有两种常见的创建线程的方法,一种是继承Thread类,一种是实现Runnable的接口,Thread类其实也是实现了Runnable接口。但是我们创建这两种线程在运行结束后都会被虚拟机销毁,如果线程数量多的话[详细]
2023-02-19 10:30 分类:开发 What is wrong with this layout? Android
I am trying to accomplish a view like this: left side = live camera preview, right side = a column of 4 images. But all that I managed with the following xml was a fullscreen live camera preview. Andr[详细]
2022-12-28 02:13 分类:问答