java调用CMD命令显示所有进程的信息

public class CmdOutputStream {
public static void main(String[] args) {
Runtime rt = Runtime.getRuntime();
try {
Process p = rt.exec("tasklist /v");
ProcessBuilder pb = new ProcessBuilder();
BufferedReader reader = new BufferedReader(new InputStreamReader(p.getInputStream()));
String next;
while ((next = reader.readLine()) != null) {
System.out.println(next);
}
reader.close();
p.destroy();
} catch (IOException e) {
e.printStackTrace();
}
}
}