Java递归地获得一个目录下的文件总数，java递归,public stati

Java递归地获得一个目录下的文件总数，java递归,public stati

public static  int getTotalOfFiles(String path)    {        int total = 0;        int sum=0;        File tmpF = new File(path);        File[] files = tmpF.listFiles();        if(files ==null )            total = 0;        else{            for(int i=0; i < files.length; i++)            {                if(files[i].isFile())                    total++;                else if(files[i].isDirectory())                    sum = getTotalOfFiles(files[i].getAbsolutePath());            }            total += sum;        }        return total;    }