package day03;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
public class CopyFileDemo {
public static void main(String[] args) throws IOException {
//创建输入缓冲流对象
BufferedReader br = new BufferedReader(new FileReader("c.txt"));
//创建输出缓冲流对象
BufferedWriter bw = new BufferedWriter(new FileWriter("d.txt"));
/*
//读写数据一次一个字符
int ch;
while((ch=br.read())!=-1){
bw.write(ch);
}*/
//读写数据一次一个字符数组
//首先创建一个数组
char[]chs = new char[1024];
int len;
while((len=br.read(chs))!=-1){
bw.write(chs,0,len);
}
//释放资源
br.close();
bw.close();
}
}
