java向文件中追加数据

package File;

import java.io.*;

public class File

{

public static void main(String []args)

{

String str;

BufferedWriter bw;

BufferedReader br;

try{

System.out.println( "\n please input some information saved in the new file line.txt ");

br = new BufferedReader( new InputStreamReader( System.in ) );

str = br.readLine();

bw = new BufferedWriter( new FileWriter( "line.txt ", true ) );

System.out.println( "finished..................... ");

bw.newLine();//换行

bw.write( str );

br.close();

bw.close();

}catch( IOException ioe ){

System.out.println( "Some Wrong happen " );

}

}

}

摘自 落日小屋