该代码列出 Windows 下当前运行的所有进程

import java.io.*;
public class ListProcess {
 public static void main(String[] args) throws IOException
 {
 Runtime runtime = Runtime.getRuntime();
 String cmds[] = {"cmd", "/c", "tasklist"};
 Process proc = runtime.exec(cmds);
 InputStream inputstream = proc.getInputStream();
 InputStreamReader inputstreamreader = new InputStreamReader(inputstream);
 BufferedReader bufferedreader = new BufferedReader(inputstreamreader);
 String line;
 while ((line = bufferedreader.readLine()) != null)
 {
   System.out.println(line);
 }
 }
}