摘要： 1 int []num=new int[1001]; 2 FileReader fr = new FileReader("1.txt"); 3 BufferedReader br = new BufferedReader(fr); 4 5 String str; 6 StringBuilder sb = new StringBuilder(); 7 while((str=br.readLine())!=null) 8 { 9 sb.append(str);10 }11 String st=sb.toString();12 int sum=0,mynu... 阅读全文