public static float NewCenter(String strOutPath) throws IOException{
    	String[] list;
    	float should = Integer.MIN_VALUE ;
    	Configuration conf = new Configuration(); //读取hadoop文件系统的配置  
        conf.set("hadoop.job.ugi", "hadoop,hadoop");   
        FileSystem fs = FileSystem.get(URI.create(strOutPath + "/part-r-00000"),conf); //FileSystem是用户操作HDFS的核心类，它获得URI对应的HDFS文件系统   
        FSDataInputStream in = null;   
        ByteArrayOutputStream out = new ByteArrayOutputStream();  
        try{   
           
            in = fs.open( new Path(strOutPath + "/part-r-00000") );   
            IOUtils.copyBytes(in,out,50,false);  //用Hadoop的IOUtils工具方法来让这个文件的指定字节复制到标准输出流上   
            list = out.toString().split("\n");  
        } finally {   
        	IOUtils.closeStream(in);
        	out.close();  
        }
        
        for(int i = 0;i < k;i++){
        	String[] l = list[i].replace("\t", " ").split(" ");
        	String[] oldcenter = l[0].replace("(", "").replace(")", "").split(",");	//原先的中心点
        	String[] finalcenter = l[l.length-1].replace("(", "").replace(")", "").split(",");//新的中心点
        	centerlist[i] = l[l.length-1];		//保存最新的中心点
        	float tmp = 0;
        	for(int j = 0; j< oldcenter.length;j++){
        		tmp+=Math.pow(Float.parseFloat(oldcenter[j]) - Float.parseFloat(finalcenter[j]),2 );
        	}
        	if(should <= tmp)
        		should = tmp;
        }
        System.out.println("New Center...");
    	return should;
    	
    }