java打印目录下的文件信息 java打印命令

RuntimeMXBean bean = ManagementFactory.getRuntimeMXBean();
        List<String> jvmArgs = bean.getInputArguments();

        for (int i = 0; i < jvmArgs.size(); i++) {
          System.out.println( jvmArgs.get( i ) );
        }
        System.out.println(" -classpath " + System.getProperty("java.class.path"));