Java_CH10_HW2

import java.io.*;
import java.util.*;
 
public class Java_CH10_HW2
{
 public static void main(String[] args)
 {
  // TODO 自動產生的方法 Stub
  String filepath = "C:\\Users\\Dragonyue\\Desktop\\第 十章作業參考文件\\washington.txt";
  try
  {
   Scanner scan = new Scanner(System.in);
   InputStreamReader sr = new InputStreamReader(
     new FileInputStream(filepath));
   BufferedReader reader = new BufferedReader(sr);
   String str = "";
   int count = 0;
   int index = -1;
   int linenums = 0;
   System.out.print("Input character sequence:");
   String ch = scan.nextLine();
   while ((str = reader.readLine()) != null)
   {
    linenums++;
    index = str.indexOf(ch);
    if (index != -1)
    {
     System.out
       .println(String.format("i=%d %d", linenums, index));
     count++;
    }
   }
   System.out.println(String.format("字串%s總共次數%d", ch, count));
   reader.close();
   sr.close();
  }
  catch (IOException e)
  {
   // TODO 自動產生的 catch 區塊
   e.printStackTrace();
  }
 }
}