java如何获取本地操作系统进程列表

package com.wa.xwolf.sblog.util; import java.io.BufferedInputStream;import java.io.BufferedReader;import java.io.InputStreamReader;import java.nio.charset.Charset; public class ProcessUtil {     public static void main(String[] args) throws Exception {     // 创建系统进程  ProcessBuilder pb = new ProcessBuilder("tasklist");  Process p = pb.start();  BufferedReader out = new BufferedReader(new InputStreamReader(new BufferedInputStream(p.getInputStream()), Charset.forName("GB2312")));  BufferedReader err = new BufferedReader(new InputStreamReader(new BufferedInputStream(p.getErrorStream())));  System.out.println("Window 系统进程列表");  String ostr;     while ((ostr = out.readLine()) != null)  System.out.println(ostr);  String estr = err.readLine();  if (estr != null) {  System.out.println("/nError Info");  System.out.println(estr);  } } } 

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