在Python中执行系统命令有os.system().os.popen().commands.getstatusoutput().subprocess.Popen等 1.os.system() Python中关于os.system的描述: >>> import os >>> help(os.system) system(command) -> exit_status Execute the command (a string) in a subshell.
最近学习深入java虚拟机的书,照着里面的例子跑了下. 下面是demo: /** * VM Args:-Xms20m -Xmx20m -XX:+HeapDumpOnOutOfMemoryError * @author zzm */ public class HeapOOM { static class OOMObject { } public static void main(String[] args) { List<OOMObject> list = new ArrayList<OO