BufferedWriter

package JBJADV003;
import java.io.*;
public class BufferedWriterTest {

public static void main(String[] args) {
try {
//创建一个FileWriter 对象
FileWriter fw=new FileWriter("c:\\myDoc\\hello.txt");
//创建一个BufferedWriter 对象
BufferedWriter bw=new BufferedWriter(fw);
bw.write("大家好！");
bw.write("我正在学习BufferedWriter。");
bw.newLine();
bw.write("请多多指教！");
bw.newLine();

bw.flush();
fw.close();

//读取文件内容
FileReader fr=new FileReader("c:\\myDoc\\hello.txt");
BufferedReader br=new BufferedReader(fr);
String line=br.readLine();
while(line!=null){
System.out.println(line);
line=br.readLine();
}
br.close();
fr.close();

}catch(IOException e){
System.out.println("文件不存在!");
}
}
}