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
According to a doc Emacs supports “drag and drop”: dropping a file into an ordinary Ema开发者_JAVA技巧cs window visits the file using that window. As an exception, dropping a file into a window di