ReadWriteFile//将文件1（已存在）的内容一行一行读入文件2

/**
* 读出1.txt中的内容，写入2.txt中
*
*/
import java.io.*;
public class ReadWriteFile{
public static void main(String[] args){
try{

File read = new File("c://1.txt");
File write = new File("c://2.txt");

BufferedReader br = new BufferedReader(
new FileReader(read));
BufferedWriter bw = new BufferedWriter(
new FileWriter(write));
String temp = null;
temp = br.readLine();//一行一行读入
while(temp != null){
//写文件
bw.write(temp + "/r/n"); //只适用Windows系统
//继续读文件
temp = br.readLine();
}

bw.close();
br.close();

}catch(FileNotFoundException e){ //文件未找到
System.out.println (e);
}catch(IOException e){
System.out.println (e);
}
}
}