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package net.java2000.io; 
 
import java.io.BufferedReader; 
import java.io.File; 
import java.io.FileInputStream; 
import java.io.FileOutputStream; 
import java.io.InputStreamReader; 
import java.io.PrintWriter; 
public class FileInsertRow { 
 
  public static void main(String args[]) { 
    try { 
      FileInsertRow j = new FileInsertRow(); 
      j.insertStringInFile(new File(args[0]), Integer.parseInt(args[1]), args[2]); 
    } catch (Exception e) { 
      e.printStackTrace(); 
    } 
  } 
 
  /**
   * ÔÚÎļþÀïÃæµÄÖ¸¶¨ÐвåÈëÒ»ÐÐÊý¾Ý
   * 
   * @param inFile
   *          Îļþ
   * @param lineno
   *          ÐкÅ
   * @param lineToBeInserted
   *          Òª²åÈëµÄÊý¾Ý
   * @throws Exception
   *           IO²Ù×÷Òý·¢µÄÒì³£
   */ 
  public void insertStringInFile(File inFile, int lineno, String lineToBeInserted) 
      throws Exception { 
    // ÁÙʱÎļþ 
    File outFile = File.createTempFile("name", ".tmp"); 
 
    // ÊäÈë 
    FileInputStream fis = new FileInputStream(inFile); 
    BufferedReader in = new BufferedReader(new InputStreamReader(fis)); 
 
    //


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http://www.ajaxlines.com/ajax/stuff/article/using_google_is_ajax_search_api_with_java.php
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